In 2023, Harold E. Quan had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Affordability:

stress EKG

In 2012, Harold E. Quan had a list price for stress EKG that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2012 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	24
blood draw	389
cardiac procedures	296
diabetes management	82
doctor visit	1396
hospital care	1118
inpatient care	1118
lab tests	787
preventive care	379
stress testing	46
thyroid function tests	69
ultrasound (sonogram)	255
vaccines	86

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2013 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	23
blood draw	394
cardiac procedures	291
diabetes management	87
doctor visit	1426
hospital care	1133
inpatient care	1107
lab tests	822
outpatient care	26
preventive care	385
stress testing	44
thyroid function tests	86
ultrasound (sonogram)	294
vaccines	75
vascular procedures	65

2013 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	492
Female	703

**Ethnicity**
Non-Hispanic White	889
Black	39
Hispanic	175
Asian	70
Other	0
Native American	0

**Age**
From 65 to 74	378
From 75 to 84	382
85 and over	286
Less than 65	149

Conditions of Medicare patients treated by Harold E. Quan in 2013

Hypertension	75
High Cholesterol	70
Stroke	14
Ischemic Heart Disease	59
Depression	31
Chronic Kidney Disease	41
Asthma	16
Osteoperosis	15
Atrial Fibrilation	24
Heart Failure	39
Chronic Obstructive Pulmonary Disease	28
Diabetes	40
Dementia	25
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2014 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	18
blood draw	314
cardiac procedures	298
diabetes management	57
doctor visit	1327
hospital care	980
inpatient care	980
lab tests	686
preventive care	240
stress testing	54
thyroid function tests	67
ultrasound (sonogram)	275
vascular procedures	30

2014 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	431
Female	601

**Ethnicity**
Non-Hispanic White	762
Black	40
Hispanic	149
Asian	63
Other	0
Native American	0

**Age**
From 65 to 74	361
From 75 to 84	313
85 and over	232
Less than 65	126

Conditions of Medicare patients treated by Harold E. Quan in 2014

Hypertension	75
High Cholesterol	70
Stroke	15
Ischemic Heart Disease	59
Depression	31
Chronic Kidney Disease	39
Asthma	14
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	41
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2015 were hospital care, inpatient care, lab tests and ultrasound (sonogram).

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	34
blood draw	263
cardiac procedures	358
diabetes management	68
doctor visit	1514
hospital care	1145
inpatient care	1145
lab tests	706
preventive care	241
stress testing	53
thyroid function tests	65
ultrasound (sonogram)	360
vascular procedures	80

2015 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	1006
Female	1362

**Ethnicity**
Non-Hispanic White	1786
Black	88
Hispanic	326
Asian	128
Other	0
Native American	0

**Age**
From 65 to 74	792
From 75 to 84	792
85 and over	530
Less than 65	254

Conditions of Medicare patients treated by Harold E. Quan in 2015

Hypertension	75
High Cholesterol	72
Stroke	17
Ischemic Heart Disease	58
Depression	30
Chronic Kidney Disease	44
Asthma	24
Osteoperosis	15
Atrial Fibrilation	22
Heart Failure	41
Chronic Obstructive Pulmonary Disease	25
Diabetes	40
Dementia	26
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2016 were hospital care, inpatient care, lab tests and cardiac procedures.

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	35
blood draw	252
cardiac procedures	297
diabetes management	57
doctor visit	1476
hospital care	1106
inpatient care	1106
lab tests	723
preventive care	214
stress testing	33
thyroid function tests	73
ultrasound (sonogram)	279
vascular procedures	54

2016 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	458
Female	598

**Ethnicity**
Non-Hispanic White	785
Black	39
Hispanic	146
Asian	60
Other	0
Native American	0

**Age**
From 65 to 74	356
From 75 to 84	336
85 and over	258
Less than 65	106

Conditions of Medicare patients treated by Harold E. Quan in 2016

Hypertension	75
High Cholesterol	73
Stroke	15
Ischemic Heart Disease	56
Depression	31
Chronic Kidney Disease	51
Asthma	33
Osteoperosis	16
Atrial Fibrilation	22
Heart Failure	41
Chronic Obstructive Pulmonary Disease	29
Diabetes	42
Dementia	29
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2017 were inpatient care, hospital care, lab tests and cardiac procedures.

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	44
blood draw	175
cardiac procedures	414
diabetes management	42
doctor visit	1953
hospital care	1489
inpatient care	1489
lab tests	487
preventive care	219
stress testing	50
thyroid function tests	39
ultrasound (sonogram)	373
vaccines	84
vascular procedures	33

2017 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	597
Female	831

**Ethnicity**
Non-Hispanic White	1037
Black	56
Hispanic	212
Asian	98
Other	25
Native American	0

**Age**
From 65 to 74	466
From 75 to 84	479
85 and over	326
Less than 65	157

Conditions of Medicare patients treated by Harold E. Quan in 2017

Hypertension	75
High Cholesterol	68
Stroke	14
Ischemic Heart Disease	52
Depression	32
Chronic Kidney Disease	50
Asthma	15
Osteoperosis	16
Atrial Fibrilation	20
Heart Failure	38
Chronic Obstructive Pulmonary Disease	28
Diabetes	41
Dementia	25
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2018 were inpatient care, hospital care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	55
blood draw	68
cardiac procedures	435
diabetes management	25
doctor visit	2385
hospital care	1101
inpatient care	1101
lab tests	263
preventive care	160
stress testing	77
thyroid function tests	26
ultrasound (sonogram)	364
vaccines	76
vascular procedures	35

2018 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	712
Female	909

**Ethnicity**
Non-Hispanic White	1181
Black	62
Hispanic	233
Asian	107
Other	38
Native American	0

**Age**
From 65 to 74	541
From 75 to 84	553
85 and over	362
Less than 65	165

Conditions of Medicare patients treated by Harold E. Quan in 2018

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	52
Depression	31
Chronic Kidney Disease	49
Asthma	13
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	35
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	23
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2019 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	42
cardiac procedures	378
doctor visit	2261
hospital care	833
inpatient care	833
preventive care	56
stress testing	65
ultrasound (sonogram)	327
vaccines	56
vascular procedures	29

2019 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	591
Female	774

**Ethnicity**
Non-Hispanic White	973
Black	54
Hispanic	199
Asian	101
Other	38
Native American	0

**Age**
From 65 to 74	448
From 75 to 84	511
85 and over	275
Less than 65	131

Conditions of Medicare patients treated by Harold E. Quan in 2019

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	51
Depression	31
Chronic Kidney Disease	52
Asthma	14
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	37
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2020 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	48
cardiac procedures	283
doctor visit	2054
hospital care	619
inpatient care	619
preventive care	76
stress testing	35
ultrasound (sonogram)	239
vaccines	76
vascular procedures	19

2020 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	498
Female	684

**Ethnicity**
Non-Hispanic White	838
Black	39
Hispanic	188
Asian	79
Other	38
Native American	0

**Age**
From 65 to 74	392
From 75 to 84	419
85 and over	250
Less than 65	121

Conditions of Medicare patients treated by Harold E. Quan in 2020

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	50
Depression	30
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	37
Chronic Obstructive Pulmonary Disease	24
Diabetes	41
Dementia	26
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2021 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	37
cardiac procedures	292
doctor visit	2061
hospital care	514
inpatient care	514
preventive care	72
stress testing	29
ultrasound (sonogram)	259
vaccines	72
vascular procedures	19

2021 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	518
Female	697

**Ethnicity**
Non-Hispanic White	860
Black	43
Hispanic	171
Asian	95
Other	46
Native American	0

**Age**
From 65 to 74	404
From 75 to 84	424
85 and over	267
Less than 65	120

Conditions of Medicare patients treated by Harold E. Quan in 2021

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	49
Depression	29
Chronic Kidney Disease	53
Asthma	11
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	26
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA during 2022 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Harold E. Quan for Medicare patients.

ambulatory monitoring	33
cardiac procedures	255
doctor visit	1822
hospital care	306
inpatient care	306
stress testing	36
ultrasound (sonogram)	197

2022 Medicare Patient Data

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	565
Female	682

**Ethnicity**
Non-Hispanic White	864
Black	48
Hispanic	203
Asian	94
Other	38
Native American	0

**Age**
From 65 to 74	403
From 75 to 84	465
85 and over	267
Less than 65	112

Conditions of Medicare patients treated by Harold E. Quan in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	39
Depression	30
Chronic Kidney Disease	36
Asthma	15
Osteoperosis	19
Atrial Fibrilation	30
Heart Failure	32
Chronic Obstructive Pulmonary Disease	24
Diabetes	42
Dementia	17
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Harold E. Quan for Medicare patients.

The highest averages for the top procedures that Harold E. Quan treated as a cardiologist in Newhall, CA were hospital care, inpatient care, lab tests and cardiac procedures.

ambulatory monitoring	35
blood draw	265
cardiac procedures	327
diabetes management	59
doctor visit	1788
hospital care	940
inpatient care	938
lab tests	639
outpatient care	26
preventive care	204
stress testing	47
thyroid function tests	60
ultrasound (sonogram)	292
vaccines	75
vascular procedures	40

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Harold E. Quan.

**Gender**
Male	533
Female	712

**Ethnicity**
Black / African American	46
Asian / Pacific Islander	81
Non-Hispanic White	906
Native American / Alaskan Native	0
Hispanic	182
Other	20

**Age**
75 to 84	424
85 and over	277
Less than 65	131
65 to 74	412

Average of Total of Conditions of Medicare patients treated by Harold E. Quan From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Harold E. Quan treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	66
Stroke	13
Ischemic Heart Disease	47
Depression	27
Chronic Kidney Disease	42
Asthma	15
Osteoporosis	13
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Atrial Fibrillation	20
Dementia	22
Cancer	12

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Harold E. Quan has a good overall rating with an average of 2.6 out of 5 stars based on 5 ratings. We collect ratings and reviews of Harold E. Quan from all over the web to help you find the right in Newhall, CA.

2.6

Overall Rating

(5 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Harold E. Quan. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$1,988 BRILINTA $1,124	FARXIGA $509	BYDUREON $125	CRESTOR $112	ANDEXXA $20	Other $99
Janssen Pharmaceuticals, Inc	$796 XARELTO $796
Pfizer Inc.	$631 ELIQUIS $631
Boehringer Ingelheim Pharmaceuticals, Inc.	$534 JARDIANCE $410	TRADJENTA $125
GlaxoSmithKline, LLC.	$523 TRELEGY ELLIPTA $368	ANORO ELLIPTA $85	BREO ELLIPTA $70
Other	$3,094 ELIQUIS $272	QVAR $225	Repatha $197	Corlanor $181	SOLIQUA 100/33 $139	Other $2,080

**Types of Payments**
Food and Beverage	$7,143
Education	$425

Biography

Dr. Harold Quan is an adult cardiology specialist. His patients gave him an average rating of 2.5 stars (out of 5).

Select Year:

Harold E. Quan

Office Locations

Noteworthy Medicare Patient Procedures Performed by Harold E. Quan in 2023

By Affordability:

By Affordability:

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 Harold E. Quan in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Harold E. Quan in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Harold E. Quan in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Harold E. Quan in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Harold E. Quan in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Harold E. Quan in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Harold E. Quan in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Harold E. Quan in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Harold E. Quan in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Harold E. Quan in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Harold E. Quan From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Newhall, CA