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Dr. Jonathan Arn Hemphill, MD

Accepting New Patients

(27 Ratings)

Specializes in: Adult Cardiology

St. George's University School of Medicine

150 Catherine Lane
Ste F Grass Valley, CA 95945

(530) 477-8358

Dr. Jonathan Arn Hemphill, MD is a cardiologist in Grass Valley, CA specializing in adult cardiology. He graduated from St. George's University School of Medicine. Dr. Jonathan Arn Hemphill, MD is affiliated with Hill Physicians.

Office Locations

150 Catherine Lane Suite D, F & J
Grass Valley, CA 95945

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3941 J Street
Sacramento, CA 95819

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3939 J Street
Sacramento, CA 95819

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1561 Creekside Drive
Folsom, CA 95630

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6555 COYLE AVENUE
CARMICHAEL, CA 95608

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150 Catherine Lane
Ste F Grass Valley, CA 95945

(530) 477-8358

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2012 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	59
cardiac procedures	1108
catheterization	87
diagnostic procedures	63
doctor visit	2205
hospital care	601
implant surgery	19
inpatient care	601
minimally invasive procedures	106
nuclear scan	139
stent placement (stenting)	24
stress testing	372
tilt table test	12
ultrasound (sonogram)	658
vascular procedures	63

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2013 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	73
cardiac procedures	1012
catheterization	76
diagnostic procedures	62
doctor visit	2192
emergency care	14
hospital care	568
implant surgery	12
inpatient care	568
minimally invasive procedures	88
nuclear scan	132
stress testing	365
ultrasound (sonogram)	589
vascular procedures	73

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	675
Female	637

**Ethnicity**
Non-Hispanic White	1138
Black	45
Hispanic	58
Asian	45
Other	0
Native American	0

**Age**
From 65 to 74	417
From 75 to 84	497
85 and over	287
Less than 65	111

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2013

Hypertension	75
High Cholesterol	72
Stroke	11
Ischemic Heart Disease	62
Depression	16
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	8
Atrial Fibrilation	28
Heart Failure	32
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2014 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	45
angioplasty	30
cardiac procedures	912
catheterization	116
diagnostic procedures	54
doctor visit	1975
emergency care	17
hospital care	600
implant surgery	18
inpatient care	600
minimally invasive procedures	145
nuclear scan	86
stent placement (stenting)	30
stress testing	258
ultrasound (sonogram)	547
vascular procedures	54

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	648
Female	637

**Ethnicity**
Non-Hispanic White	1111
Black	47
Hispanic	59
Asian	41
Other	0
Native American	0

**Age**
From 65 to 74	390
From 75 to 84	492
85 and over	289
Less than 65	114

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	63
Depression	17
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	34
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2015 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	77
cardiac procedures	978
catheterization	78
diagnostic procedures	56
doctor visit	1985
emergency care	22
hospital care	478
implant surgery	17
inpatient care	478
minimally invasive procedures	108
nuclear scan	99
stress testing	308
ultrasound (sonogram)	603
vascular procedures	56

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	1302
Female	1278

**Ethnicity**
Non-Hispanic White	2202
Black	94
Hispanic	114
Asian	106
Other	0
Native American	0

**Age**
From 65 to 74	792
From 75 to 84	968
85 and over	576
Less than 65	244

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2015

Hypertension	75
High Cholesterol	70
Stroke	12
Ischemic Heart Disease	60
Depression	19
Chronic Kidney Disease	33
Asthma	15
Osteoperosis	7
Atrial Fibrilation	30
Heart Failure	35
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2016 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	38
angioplasty	38
cardiac procedures	820
catheterization	97
diagnostic procedures	40
doctor visit	1811
hospital care	434
inpatient care	434
minimally invasive procedures	97
nuclear scan	68
stent placement (stenting)	38
stress testing	239
ultrasound (sonogram)	549
vascular procedures	40

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	602
Female	617

**Ethnicity**
Non-Hispanic White	1031
Black	44
Hispanic	60
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	397
From 75 to 84	444
85 and over	254
Less than 65	124

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2016

Hypertension	75
High Cholesterol	72
Stroke	11
Ischemic Heart Disease	59
Depression	19
Chronic Kidney Disease	38
Asthma	23
Osteoperosis	6
Atrial Fibrilation	29
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2017 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	37
angioplasty	38
cardiac procedures	897
catheterization	106
diagnostic procedures	49
doctor visit	1818
hospital care	419
inpatient care	419
minimally invasive procedures	106
nuclear scan	95
stent placement (stenting)	38
stress testing	268
ultrasound (sonogram)	562
vascular procedures	49

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	603
Female	631

**Ethnicity**
Non-Hispanic White	1023
Black	52
Hispanic	66
Asian	43
Other	37
Native American	13

**Age**
From 65 to 74	402
From 75 to 84	443
85 and over	276
Less than 65	113

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2017

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	62
Depression	20
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	35
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2018 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	18
cardiac procedures	785
cardioversion	14
catheterization	59
diagnostic procedures	59
doctor visit	1835
hospital care	562
implant surgery	29
inpatient care	562
minimally invasive procedures	99
nuclear scan	38
stress testing	192
ultrasound (sonogram)	555
vascular procedures	59

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	671
Female	601

**Ethnicity**
Non-Hispanic White	1068
Black	53
Hispanic	54
Asian	51
Other	0
Native American	0

**Age**
From 65 to 74	417
From 75 to 84	481
85 and over	269
Less than 65	105

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	63
Depression	21
Chronic Kidney Disease	41
Asthma	9
Osteoperosis	7
Atrial Fibrilation	30
Heart Failure	38
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2019 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	20
angioplasty	32
cardiac procedures	835
catheterization	104
diagnostic procedures	56
doctor visit	1921
hospital care	269
implant surgery	24
inpatient care	269
minimally invasive procedures	128
nuclear scan	73
stent placement (stenting)	32
stress testing	250
ultrasound (sonogram)	525
vascular procedures	56

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	628
Female	621

**Ethnicity**
Non-Hispanic White	1053
Black	51
Hispanic	49
Asian	0
Other	46
Native American	0

**Age**
From 65 to 74	420
From 75 to 84	482
85 and over	262
Less than 65	85

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	59
Depression	19
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	10
Atrial Fibrilation	31
Heart Failure	34
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2020 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	20
cardiac procedures	653
catheterization	20
diagnostic procedures	20
doctor visit	1712
hospital care	254
implant surgery	18
inpatient care	254
minimally invasive procedures	38
nuclear scan	83
stress testing	209
ultrasound (sonogram)	430
vascular procedures	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	602
Female	538

**Ethnicity**
Non-Hispanic White	960
Black	0
Hispanic	49
Asian	41
Other	48
Native American	0

**Age**
From 65 to 74	361
From 75 to 84	463
85 and over	259
Less than 65	57

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	59
Depression	19
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	8
Atrial Fibrilation	29
Heart Failure	36
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2021 were cardiac procedures, ultrasound (sonogram), minimally invasive procedures and inpatient care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	54
angioplasty	44
cardiac procedures	599
catheterization	103
diagnostic procedures	37
doctor visit	1849
hospital care	118
implant surgery	16
inpatient care	118
minimally invasive procedures	119
nuclear scan	16
stent placement (stenting)	44
stress testing	111
ultrasound (sonogram)	339
vascular procedures	37

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	513
Female	474

**Ethnicity**
Non-Hispanic White	854
Black	0
Hispanic	35
Asian	30
Other	40
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	400
85 and over	247
Less than 65	40

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	60
Depression	17
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	9
Atrial Fibrilation	28
Heart Failure	36
Chronic Obstructive Pulmonary Disease	16
Diabetes	34
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

ambulatory monitoring	32
cardiac procedures	498
catheterization	23
diagnostic procedures	23
doctor visit	1448
hospital care	155
implant surgery	11
inpatient care	155
minimally invasive procedures	34
nuclear scan	35
stress testing	119
ultrasound (sonogram)	330
vascular procedures	23

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	519
Female	481

**Ethnicity**
Non-Hispanic White	865
Black	0
Hispanic	35
Asian	32
Other	40
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	411
85 and over	247
Less than 65	31

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	50
Depression	17
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	13
Atrial Fibrilation	44
Heart Failure	34
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2023 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

cardiac procedures	275
catheterization	12
diagnostic procedures	12
doctor visit	1347
hospital care	90
implant surgery	18
inpatient care	90
minimally invasive procedures	30
stress testing	33
ultrasound (sonogram)	245

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	441
Female	403

**Ethnicity**
Non-Hispanic White	733
Black	17
Hispanic	32
Asian	31
Other	31
Native American	0

**Age**
From 65 to 74	254
From 75 to 84	347
85 and over	220
Less than 65	23

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	50
Depression	18
Chronic Kidney Disease	29
Asthma	11
Osteoperosis	14
Atrial Fibrilation	44
Heart Failure	34
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA during 2024 were ultrasound (sonogram), cardiac procedures, stress testing and hospital care.

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

cardiac procedures	298
doctor visit	1609
hospital care	12
inpatient care	12
stress testing	45
ultrasound (sonogram)	298

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Male	607
Female	539

**Ethnicity**
Non-Hispanic White	1037
Black	0
Hispanic	33
Asian	29
Other	24
Native American	0

**Age**
From 65 to 74	336
From 75 to 84	486
85 and over	293
Less than 65	31

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	48
Depression	18
Chronic Kidney Disease	28
Asthma	11
Osteoperosis	13
Atrial Fibrilation	46
Heart Failure	32
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	8
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Jonathan Arn Hemphill, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jonathan Arn Hemphill, MD treated as a cardiologist in Grass Valley, CA were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

ambulatory monitoring	43
angioplasty	36
cardiac procedures	743
cardioversion	14
catheterization	73
diagnostic procedures	44
doctor visit	1823
emergency care	17
hospital care	350
implant surgery	18
inpatient care	350
minimally invasive procedures	91
nuclear scan	78
stent placement (stenting)	34
stress testing	213
ultrasound (sonogram)	479
vascular procedures	48

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Jonathan Arn Hemphill, MD.

**Gender**
Female	573
Male	600

**Ethnicity**
Black / African American	31
Asian / Pacific Islander	38
Non-Hispanic White	1005
Native American / Alaskan Native	1
Hispanic	49
Other	20

**Age**
75 to 84	454
85 and over	267
Less than 65	82
65 to 74	369

Average of Total of Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Jonathan Arn Hemphill, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	69
High Cholesterol	68
Stroke	10
Ischemic Heart Disease	53
Depression	16
Chronic Kidney Disease	31
Asthma	9
Osteoporosis	8
Heart Failure	31
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Atrial Fibrillation	30
Dementia	10
Cancer	11

Education & Training

Dr. Jonathan Arn Hemphill, MD graduated from St. George's University School of Medicine. He completed residency at Mount Sinai Medical Center. He is certified by the American Board of Internal Medicine and has a state license in California.

Medical School: St. George's University School of Medicine

Residency: Mount Sinai Medical Center

Board Certification: American Board of Internal Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Jonathan Arn Hemphill, MD is associated with these hospitals and organizations:

Hill Physicians

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Jonathan Arn Hemphill, MD appears to accept the following insurance providers: Health Net, Aetna, UnitedHealthcare, Anthem, Blue Shield of California and Hill Physicians Care Solutions.

Insurance Accepted by Provider includes:

According to our sources, Dr. Jonathan Arn Hemphill, MD accepts the following insurance providers:

Health Net

Aetna

UnitedHealthcare

Anthem

Blue Shield of California

Hill Physicians Care Solutions

Ratings & Reviews

Dr. Jonathan Arn Hemphill, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 27 ratings. We collect ratings and reviews of Dr. Jonathan Arn Hemphill, MD from all over the web to help you find the right in Grass Valley, CA.

Overall Rating

(27 Ratings)

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Reviews From Around The Web

Overall Rating: 5.0 2024-08-11

Patient verified via Press Ganey

Dr. Hemphill is an outstanding doctor. As a caregiver I've been bringing patients to him for many years and will continue. Your company should be happy to have such an outstanding Doctor working with patients.

Overall Rating: 5.0 2026-05-23

Patient verified via Press Ganey

I am very thankful to have Doctor Hemphill and staff guiding me with my heart issues!Doc H is superior 5 star!!!!!

Overall Rating: 5.0 2024-03-22

Patient verified via Press Ganey

Dr. Hemphill, always very patience and listen to your problems, checking patient's records.

Overall Rating: 5.0 2024-02-16

Patient verified via Press Ganey

Excellent physician, wish all of your physicians were the same as Jonathan

Overall Rating: 5.0 2024-11-23

Patient verified via Press Ganey

Dr Hemphill is so easy to communicate with and always takes his time.

Overall Rating: 5.0 2023-10-24

Patient verified via Press Ganey

I have been a very satisfied patient of Dr. Hemphill, s since 2008

Overall Rating: 5.0 2023-12-31

Patient verified via Press Ganey

The doctor took the time to answer all of our questions

Overall Rating: 5.0 2024-02-19

Patient verified via Press Ganey

Very happy with Dr. Hemphill and his communication

Overall Rating: 5.0 2023-08-20

Patient verified via Press Ganey

Doctor is great. Very concerned about my health

Overall Rating: 5.0 2024-08-03

Patient verified via Press Ganey

Dr Hemphill is very patient and caring.

To see all 27 reviews for Dr. Jonathan Arn Hemphill, MD, view their full profile.

General Payments

These charts describe general payments received by Dr. Jonathan Arn Hemphill, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$19,186 ELIQUIS $19,141	CAMZYOS $45
AstraZeneca Pharmaceuticals LP	$11,911 BRILINTA $11,547	FARXIGA $270	LOKELMA $57	CRESTOR $20	$16
Pfizer Inc.	$3,826 ELIQUIS $3,735	VYNDAQEL $44	CHANTIX $41	VIAGRA $7
Abbott Laboratories	$3,189 AVEIR $2,942	Vascular $164	MitraClip $46	Merlin Connectivity and Remote $26	Mitra Clip system $11
Janssen Pharmaceuticals, Inc	$1,557 XARELTO $1,536	INVOKANA $21
Other	$12,388 Repatha $963	MULTAQ $731	Impella $563	Vascepa $553	JARDIANCE $546	Other $9,032

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$31,550
Food and Beverage	$15,527
Travel and Lodging	$4,557
Education	$423

Research Payments

Dr. Jonathan Arn Hemphill, MD has received 2 research payments totaling $31,191.

Biography

Dr. Jonathan Hemphill's areas of specialization are adult cardiology and interventional cardiology. Dr. Hemphill's hospital/clinic affiliations include Mercy San Juan Medical Center and Hill Physicians. He attended St. George's University School of Medicine and then went on to complete his residency at Mount Sinai Medical Center and the University of New Mexico Health Sciences Center. His average rating from his patients is 5.0 stars (out of 5). Dr. Hemphill most likely takes Anthem, UnitedHealthcare, and Blue California, as well as other insurance carriers. Hill Physicians reports that he is accepting new patients at his office in Ste F Grass Valley, CA.

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Dr. Jonathan Arn Hemphill, MD

Office Locations

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Jonathan Arn Hemphill, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Grass Valley, CA