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Dr. Ian C. Riddock, MD

Accepting New Patients

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Specializes in: Adult Cardiology

Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine (2002)

384 Southeast Combs Flat Road
Prineville, OR 97754

(541) 447-6263

Dr. Ian C. Riddock, MD is a cardiologist in Bend, OR specializing in adult cardiology. He graduated from Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine in 2002 and has 24 years of experience. Dr. Ian C. Riddock, MD is affiliated with St. Charles Health System.

Office Locations

2500 Northeast Neff Road
Bend, OR 97701

open_in_new

1245 NW 4th Street
Redmond, OR 97756

open_in_new

St. Charles Health System

384 Southeast Combs Flat Road
Prineville, OR 97754

(541) 447-6263

open_in_new

In The News

“It's not clear whether the culprit is caffeine or other ingredients in the products, but study coauthor Dr. Ian Riddock, a preventive cardiologist at the David Grant Medical Center at Travis Air...”—"Energy drinks increase blood pressure and disturb heart rhythms, researchers say", New York Daily News, March 2013

“said Ian Riddock, M.D., a co-author and director of preventive cardiology at the David Grant Medical Center, Travis Air Force Base, Calif.”—"Energy drinks may increase blood pressure, disturb heart rhythm", Al.com, March 2013

Noteworthy Medicare Patient Procedures Performed by Dr. Ian C. Riddock, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

blood draw

cardiac stress testing

cardiac procedures

Doppler echocardiography

echocardiogram

lipid profile

myocardial perfusion SPECT

nuclear scan

phlebotomy for lab tests

stress EKG

ultrasound

By Affordability:

cholesterol screening

lipid profile

metabolic panel

In 2023, among providers in related specialties within Oregon, Dr. Ian C. Riddock, MD performed more blood draw, cardiac (heart) stress testing, cardiac procedures, Doppler echocardiography, echocardiogram (echo), lipid profile, myocardial perfusion SPECT, nuclear scan, phlebotomy for lab tests, stress EKG, and ultrasound (sonogram) procedures for Medicare patients than 95% of them and he also had a list price for cholesterol screening, lipid profile, and metabolic panel that was lower than the list prices billed to Medicare by 95% of them. 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 Volume:

inpatient hospital care

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2012, among providers in related specialties within Oregon, Dr. Ian C. Riddock, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 75% of them. 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 Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2012 were ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

cardiac procedures	25
ultrasound (sonogram)	25

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2013 were ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

cardiac procedures	18
ultrasound (sonogram)	18

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2013

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	67
Depression	0
Chronic Kidney Disease	67
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	67
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2014 were ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

cardiac procedures	58
ultrasound (sonogram)	58

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	32
Female	38

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

**Age**
From 65 to 74	24
From 75 to 84	17
85 and over	14
Less than 65	15

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	69
Depression	36
Chronic Kidney Disease	66
Asthma	20
Osteoperosis	0
Atrial Fibrilation	33
Heart Failure	57
Chronic Obstructive Pulmonary Disease	39
Diabetes	63
Dementia	33
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2015 were cardiac procedures, ultrasound (sonogram), lab tests and blood draw.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

ambulatory monitoring	13
blood draw	131
cardiac procedures	387
doctor visit	384
hospital care	104
inpatient care	104
lab tests	201
minimally invasive procedures	16
preventive care	79
stress testing	40
ultrasound (sonogram)	374

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	918
Female	738

**Ethnicity**
Non-Hispanic White	1552
Black	0
Hispanic	30
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	766
From 75 to 84	528
85 and over	250
Less than 65	112

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	60
Depression	18
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	10
Atrial Fibrilation	32
Heart Failure	32
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2016 were cardiac procedures, ultrasound (sonogram), lab tests and stress testing.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

ambulatory monitoring	64
blood draw	260
cardiac procedures	1272
cardioversion	30
catheterization	14
diagnostic procedures	14
doctor visit	910
hospital care	301
implant surgery	46
inpatient care	301
lab tests	377
minimally invasive procedures	93
nuclear scan	139
preventive care	172
stress testing	341
thyroid function tests	18
ultrasound (sonogram)	1009
vascular procedures	14

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	1055
Female	830

**Ethnicity**
Non-Hispanic White	1784
Black	0
Hispanic	27
Asian	0
Other	30
Native American	20

**Age**
From 65 to 74	803
From 75 to 84	618
85 and over	284
Less than 65	180

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	60
Depression	20
Chronic Kidney Disease	30
Asthma	20
Osteoperosis	9
Atrial Fibrilation	31
Heart Failure	32
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2017 were cardiac procedures, ultrasound (sonogram), lab tests and stress testing.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

ambulatory monitoring	25
blood draw	168
cardiac procedures	707
doctor visit	668
hospital care	122
implant surgery	30
inpatient care	122
lab tests	296
minimally invasive procedures	45
nuclear scan	95
preventive care	133
stress testing	174
thyroid function tests	19
ultrasound (sonogram)	557

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	732
Female	619

**Ethnicity**
Non-Hispanic White	1286
Black	0
Hispanic	15
Asian	0
Other	22
Native American	13

**Age**
From 65 to 74	545
From 75 to 84	451
85 and over	240
Less than 65	115

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2017

Hypertension	75
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	60
Depression	23
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	13
Atrial Fibrilation	33
Heart Failure	37
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2018 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

blood draw	98
cardiac procedures	959
catheterization	30
diagnostic procedures	30
doctor visit	438
hospital care	169
inpatient care	169
lab tests	122
minimally invasive procedures	56
nuclear scan	165
preventive care	77
stress testing	165
ultrasound (sonogram)	764
vascular procedures	30

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	616
Female	705

**Ethnicity**
Non-Hispanic White	1238
Black	17
Hispanic	0
Asian	28
Other	15
Native American	0

**Age**
From 65 to 74	471
From 75 to 84	466
85 and over	250
Less than 65	134

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	53
Depression	30
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	11
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	27
Diabetes	35
Dementia	18
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2019 were cardiac procedures, stress testing, ultrasound (sonogram) and lab tests.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

blood draw	365
cardiac procedures	1456
diabetes management	17
doctor visit	1047
lab tests	472
nuclear scan	350
preventive care	254
stress testing	795
thyroid function tests	14
ultrasound (sonogram)	740

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	933
Female	860

**Ethnicity**
Non-Hispanic White	1679
Black	0
Hispanic	31
Asian	0
Other	48
Native American	17

**Age**
From 65 to 74	828
From 75 to 84	661
85 and over	204
Less than 65	100

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2019

Hypertension	71
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	56
Depression	25
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	25
Chronic Obstructive Pulmonary Disease	16
Diabetes	24
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2020 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

blood draw	267
cardiac procedures	1455
cardioversion	14
catheterization	76
diabetes management	13
diagnostic procedures	76
doctor visit	612
hospital care	181
inpatient care	167
lab tests	299
minimally invasive procedures	89
nuclear scan	332
outpatient care	14
preventive care	213
stress testing	732
ultrasound (sonogram)	693
vascular procedures	91

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	1094
Female	1042

**Ethnicity**
Non-Hispanic White	2003
Black	0
Hispanic	42
Asian	0
Other	69
Native American	0

**Age**
From 65 to 74	1166
From 75 to 84	677
85 and over	178
Less than 65	115

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2020

Hypertension	64
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	53
Depression	24
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2021 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

blood draw	210
cardiac procedures	1733
cardioversion	25
catheterization	54
diabetes management	13
diagnostic procedures	54
doctor visit	479
hospital care	337
implant surgery	14
inpatient care	307
lab tests	194
minimally invasive procedures	98
nuclear scan	341
outpatient care	30
preventive care	135
stress testing	757
ultrasound (sonogram)	959
vascular procedures	41

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	1422
Female	1421

**Ethnicity**
Non-Hispanic White	2656
Black	0
Hispanic	58
Asian	18
Other	87
Native American	0

**Age**
From 65 to 74	1374
From 75 to 84	1002
85 and over	316
Less than 65	151

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2021

Hypertension	66
High Cholesterol	74
Stroke	6
Ischemic Heart Disease	52
Depression	27
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	23
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR during 2022 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

blood draw	170
cardiac procedures	1636
cardioversion	28
catheterization	46
diabetes management	11
diagnostic procedures	46
doctor visit	394
hospital care	220
implant surgery	23
inpatient care	198
lab tests	145
minimally invasive procedures	100
nuclear scan	264
outpatient care	22
preventive care	123
stress testing	607
ultrasound (sonogram)	1011
vascular procedures	51

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	1411
Female	1308

**Ethnicity**
Non-Hispanic White	2567
Black	0
Hispanic	39
Asian	18
Other	80
Native American	0

**Age**
From 65 to 74	1239
From 75 to 84	1029
85 and over	314
Less than 65	137

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2022

Hypertension	72
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	44
Depression	24
Chronic Kidney Disease	19
Asthma	11
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	21
Dementia	5
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ian C. Riddock, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ian C. Riddock, MD treated as a cardiologist in Bend, OR were cardiac procedures, ultrasound (sonogram), stress testing and lab tests.

ambulatory monitoring	34
blood draw	208
cardiac procedures	882
cardioversion	24
catheterization	44
diabetes management	13
diagnostic procedures	44
doctor visit	616
hospital care	204
implant surgery	28
inpatient care	195
lab tests	263
minimally invasive procedures	71
nuclear scan	240
outpatient care	22
preventive care	148
stress testing	451
thyroid function tests	17
ultrasound (sonogram)	564
vascular procedures	45

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ian C. Riddock, MD.

**Gender**
Male	746
Female	687

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	5
Non-Hispanic White	1346
Native American / Alaskan Native	4
Hispanic	22
Other	34

**Age**
75 to 84	495
85 and over	186
Less than 65	96
65 to 74	656

Average of Total of Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Ian C. Riddock, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	65
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	52
Depression	20
Chronic Kidney Disease	33
Asthma	9
Osteoporosis	8
Heart Failure	26
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Atrial Fibrillation	22
Dementia	9
Cancer	10

Education & Training

Dr. Ian C. Riddock, MD graduated from Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine in 2002. He completed residency at Travis Air Force Base, David Grant USAF Medical Center. He is certified by the American Board of Internal Medicine: Cardiovascular Disease and has a state license in Oregon.

Medical School: Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine (2002)

Residency: Travis Air Force Base, David Grant USAF Medical Center (2005)

Board Certification: American Board of Internal Medicine: Cardiovascular Disease

Licensed In: Oregon

Affiliations & Hospitals

Dr. Ian C. Riddock, MD is associated with these hospitals and organizations:

St. Charles Health System

Ratings & Reviews

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General Payments

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

**Payments by Company**
Merck Sharp & Dohme Corporation	$81,016 ZETIA $55,624	ZONTIVITY $16,017	LIPTRUZET $9,259	NON-PRODUCT $46	VERQUVO $33	Other $35
Amgen Inc.	$32,830 Repatha $32,678	$152
SANOFI-AVENTIS U.S. LLC	$28,626 PRALUENT $25,851	DISEASE STATE $2,650	NO PRODUCT DISCUSSED $125
Regeneron Healthcare Solutions, Inc.	$21,474 PRALUENT ALIROCUMAB INJECTION $11,791	PRALUENT $9,636	PRALUENT (alirocumab) Injection $47
Boehringer Ingelheim Pharmaceuticals, Inc.	$14,191 JARDIANCE $13,970	Pradaxa $169	TRADJENTA $18	$34
Other	$64,263 Vascepa $11,483	PRALUENT (alirocumab) Injection $11,088	Ranexa $9,397	PDCDReagentsandDiseaseStates $5,338	ENTRESTO $4,941	Other $22,016

**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	$181,858
Travel and Lodging	$31,156
Food and Beverage	$20,454
Consulting Fee	$8,791
Education	$141

Research Payments

Dr. Ian C. Riddock, MD has received 8 research payments totaling $70,649.

Biography

Dr. Ian Riddock is a specialist in adult cardiology. He is affiliated with St. Charles Health System. His education and training includes medical school at Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine and residency at Travis Air Force Base, David Grant USAF Medical Center. Doctor.com reports that Dr. Riddock is accepting new patients at his office in Bend, OR.

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Dr. Ian C. Riddock, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Ian C. Riddock, MD in 2023

By Volume:

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ian C. Riddock, MD 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 Dr. Ian C. Riddock, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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