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Home > CA Providers > Cardiologists

Dr. Richard Minyoung Chang, MD

Accepting New Patients

(Richard Chang, MD)

(166 Ratings)

Specializes in: Cardiology (Heart Disease) and Interventional Cardiology

Manila Central University, MCU-FDT Medical Foundation

Professional interests include: permanent pacemaker implantation, complex coronary interventions

1450 Treat Boulevard Suite 220B
Walnut Creek, CA 94597

(925) 685-7598

Dr. Richard Minyoung Chang, MD is a cardiologist in Walnut Creek, CA specializing in cardiology (heart disease) and interventional cardiology. He graduated from Manila Central University, MCU-FDT Medical Foundation. Dr. Richard Minyoung Chang, MD is affiliated with John Muir Health and Hill Physicians.

Office Locations

1450 Treat Boulevard Suite 220B
Walnut Creek, CA 94597

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2700 Grant Street Suite 309
Concord, CA 94520

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In The News

“While cardiologist Dr. Richard Chang has prescribed the vest for patients over the past nine years, this is the first time it proved its life-saving effectiveness.”—"Medical vest a life-saver for cardiac patients", East Bay Times, October 2017

Noteworthy Medicare Patient Procedures Performed by Dr. Richard Minyoung Chang, MD in 2023

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

Top 10%

By Volume:

cardiac catheterization

cardiac procedures

left heart catheterization

minimally invasive procedures

In 2023, Dr. Richard Minyoung Chang, MD performed more cardiac catheterization, cardiac procedures, left heart catheterization, and minimally invasive procedures procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

cardiac device implantation

cardiac stress testing

coronary angiogram

Doppler echocardiography

ultrasound

vascular procedures

By Affordability:

stress EKG

transesophageal echocardiography

In 2012, among providers in related specialties within California, Dr. Richard Minyoung Chang, MD performed more cardiac device implantation, cardiac (heart) stress testing, coronary angiogram, Doppler echocardiography, ultrasound (sonogram), and vascular procedures procedures for Medicare patients than 75% of them and he also had a list price for stress EKG, and transesophageal echocardiography (TEE) 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. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2012 were inpatient care, hospital care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

cardiac procedures	604
catheterization	80
diagnostic procedures	43
doctor visit	714
hospital care	701
implant surgery	34
implantable cardioverter-defibrillator (ICD) replacement	18
inpatient care	701
minimally invasive procedures	131
nuclear scan	39
stent placement (stenting)	37
stress testing	105
ultrasound (sonogram)	451
vascular procedures	145

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2013 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

ambulatory monitoring	38
angioplasty	82
cardiac procedures	690
catheterization	170
diagnostic procedures	47
doctor visit	737
hospital care	390
implant surgery	11
inpatient care	390
minimally invasive procedures	181
nuclear scan	52
stent placement (stenting)	82
stress testing	123
ultrasound (sonogram)	424
vascular procedures	99

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	385
Female	354

**Ethnicity**
Non-Hispanic White	575
Black	48
Hispanic	52
Asian	50
Other	14
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	237
85 and over	188
Less than 65	69

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	12
Ischemic Heart Disease	60
Depression	23
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	9
Atrial Fibrilation	31
Heart Failure	42
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2014 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

ambulatory monitoring	27
angioplasty	48
cardiac procedures	780
catheterization	146
diagnostic procedures	50
doctor visit	879
hospital care	408
implant surgery	16
inpatient care	408
minimally invasive procedures	162
nuclear scan	12
stent placement (stenting)	72
stress testing	145
ultrasound (sonogram)	509
vascular procedures	83

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	481
Female	452

**Ethnicity**
Non-Hispanic White	715
Black	36
Hispanic	76
Asian	85
Other	21
Native American	0

**Age**
From 65 to 74	347
From 75 to 84	302
85 and over	200
Less than 65	84

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	56
Depression	25
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	11
Atrial Fibrilation	30
Heart Failure	42
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2015 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

angioplasty	40
cardiac procedures	925
catheterization	108
diagnostic procedures	48
doctor visit	1050
hospital care	420
implant surgery	13
implantable cardioverter-defibrillator (ICD) replacement	13
inpatient care	420
minimally invasive procedures	132
stent placement (stenting)	40
stress testing	183
ultrasound (sonogram)	739
vascular procedures	87

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	1218
Female	1242

**Ethnicity**
Non-Hispanic White	1832
Black	146
Hispanic	194
Asian	212
Other	0
Native American	0

**Age**
From 65 to 74	866
From 75 to 84	808
85 and over	540
Less than 65	246

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	14
Ischemic Heart Disease	55
Depression	24
Chronic Kidney Disease	44
Asthma	18
Osteoperosis	11
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2016 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

ambulatory monitoring	21
angioplasty	56
cardiac procedures	1029
cardioversion	16
catheterization	142
diagnostic procedures	43
doctor visit	1147
emergency care	15
hospital care	319
implant surgery	13
inpatient care	319
minimally invasive procedures	166
stent placement (stenting)	56
stress testing	233
ultrasound (sonogram)	761
vascular procedures	83

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	641
Female	608

**Ethnicity**
Non-Hispanic White	910
Black	68
Hispanic	102
Asian	114
Other	0
Native American	0

**Age**
From 65 to 74	465
From 75 to 84	384
85 and over	300
Less than 65	100

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2016

Hypertension	75
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	54
Depression	23
Chronic Kidney Disease	47
Asthma	24
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	38
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2017 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

ambulatory monitoring	16
angioplasty	62
cardiac procedures	991
cardioversion	18
catheterization	157
diagnostic procedures	45
doctor visit	1192
emergency care	19
hospital care	383
inpatient care	383
minimally invasive procedures	170
stent placement (stenting)	62
stress testing	197
ultrasound (sonogram)	723
vascular procedures	100

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	662
Female	647

**Ethnicity**
Non-Hispanic White	972
Black	0
Hispanic	101
Asian	123
Other	56
Native American	0

**Age**
From 65 to 74	487
From 75 to 84	401
85 and over	308
Less than 65	113

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2017

Hypertension	75
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	56
Depression	23
Chronic Kidney Disease	46
Asthma	11
Osteoperosis	11
Atrial Fibrilation	30
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2018 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

angioplasty	54
cardiac procedures	831
cardioversion	18
catheterization	180
diagnostic procedures	82
doctor visit	1232
emergency care	17
hospital care	365
implant surgery	12
inpatient care	365
minimally invasive procedures	192
stent placement (stenting)	54
stress testing	133
ultrasound (sonogram)	609
vascular procedures	135

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	599
Female	588

**Ethnicity**
Non-Hispanic White	879
Black	0
Hispanic	89
Asian	123
Other	50
Native American	0

**Age**
From 65 to 74	430
From 75 to 84	405
85 and over	261
Less than 65	91

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	12
Ischemic Heart Disease	54
Depression	0
Chronic Kidney Disease	46
Asthma	10
Osteoperosis	11
Atrial Fibrilation	32
Heart Failure	41
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2019 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

angioplasty	90
cardiac procedures	906
cardioversion	18
catheterization	199
diagnostic procedures	64
doctor visit	1263
hospital care	481
implant surgery	11
inpatient care	481
minimally invasive procedures	222
stent placement (stenting)	90
stress testing	188
ultrasound (sonogram)	630
vascular procedures	105

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	654
Female	581

**Ethnicity**
Non-Hispanic White	872
Black	0
Hispanic	106
Asian	137
Other	61
Native American	0

**Age**
From 65 to 74	465
From 75 to 84	438
85 and over	254
Less than 65	78

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2019

Hypertension	75
High Cholesterol	70
Stroke	10
Ischemic Heart Disease	56
Depression	25
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	12
Atrial Fibrilation	29
Heart Failure	38
Chronic Obstructive Pulmonary Disease	19
Diabetes	35
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2020 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

angioplasty	87
cardiac procedures	771
catheterization	177
diagnostic procedures	58
doctor visit	1019
emergency care	11
hospital care	500
implant surgery	25
implantable cardioverter-defibrillator (ICD) replacement	11
inpatient care	500
minimally invasive procedures	217
stent placement (stenting)	72
stress testing	151
ultrasound (sonogram)	559
vascular procedures	148

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	678
Female	625

**Ethnicity**
Non-Hispanic White	916
Black	59
Hispanic	127
Asian	142
Other	0
Native American	0

**Age**
From 65 to 74	475
From 75 to 84	483
85 and over	261
Less than 65	84

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	10
Ischemic Heart Disease	56
Depression	25
Chronic Kidney Disease	47
Asthma	11
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	36
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2021 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

angioplasty	104
cardiac procedures	820
cardioversion	20
catheterization	239
diagnostic procedures	83
doctor visit	1210
hospital care	546
implant surgery	19
inpatient care	546
minimally invasive procedures	258
stent placement (stenting)	104
stress testing	103
ultrasound (sonogram)	578
vascular procedures	168

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	754
Female	691

**Ethnicity**
Non-Hispanic White	1018
Black	78
Hispanic	118
Asian	155
Other	0
Native American	0

**Age**
From 65 to 74	532
From 75 to 84	541
85 and over	295
Less than 65	77

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	55
Depression	24
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	13
Atrial Fibrilation	27
Heart Failure	36
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA during 2022 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

angioplasty	64
cardiac procedures	828
cardioversion	24
catheterization	202
diagnostic procedures	95
doctor visit	1310
emergency care	11
hospital care	406
implant surgery	23
inpatient care	406
minimally invasive procedures	240
stent placement (stenting)	64
stress testing	103
ultrasound (sonogram)	607
vascular procedures	202

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	883
Female	962

**Ethnicity**
Non-Hispanic White	1244
Black	111
Hispanic	199
Asian	198
Other	0
Native American	0

**Age**
From 65 to 74	608
From 75 to 84	703
85 and over	403
Less than 65	131

Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	45
Depression	23
Chronic Kidney Disease	37
Asthma	15
Osteoperosis	15
Atrial Fibrilation	39
Heart Failure	36
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	12
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Richard Minyoung Chang, MD for Medicare patients.

The highest averages for the top procedures that Dr. Richard Minyoung Chang, MD treated as a cardiologist in Walnut Creek, CA were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

ambulatory monitoring	25
angioplasty	68
cardiac procedures	834
cardioversion	19
catheterization	163
diagnostic procedures	59
doctor visit	1068
emergency care	14
hospital care	447
implant surgery	17
implantable cardioverter-defibrillator (ICD) replacement	14
inpatient care	447
minimally invasive procedures	188
nuclear scan	34
stent placement (stenting)	66
stress testing	151
ultrasound (sonogram)	599
vascular procedures	123

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Richard Minyoung Chang, MD.

**Gender**
Male	632
Female	613

**Ethnicity**
Black / African American	49
Asian / Pacific Islander	121
Non-Hispanic White	903
Native American / Alaskan Native	0
Hispanic	105
Other	18

**Age**
75 to 84	427
85 and over	273
Less than 65	97
65 to 74	447

Average of Total of Conditions of Medicare patients treated by Dr. Richard Minyoung Chang, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	49
Depression	19
Chronic Kidney Disease	40
Asthma	11
Osteoporosis	10
Heart Failure	35
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Atrial Fibrillation	26
Dementia	13
Cancer	13

Education & Training

Dr. Richard Minyoung Chang, MD graduated from Manila Central University, MCU-FDT Medical Foundation. He completed residency at Loma Linda University Medical Center. He is certified by the Certification: American Board of IM/Cardiovascular Disease and has a state license in California.

Medical School: Manila Central University, MCU-FDT Medical Foundation

Residency: Loma Linda University Medical Center

Board Certification: Certification: American Board of IM/Cardiovascular Disease

Licensed In: California

Affiliations & Hospitals

Dr. Richard Minyoung Chang, MD is associated with these hospitals and organizations:

John Muir Health

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. Richard Minyoung Chang, MD appears to accept the following insurance providers: CorVel Corporation, Blue Shield, Private Health Care System - PHCS/Multiplan, AARP Medicare, Multiplan, Three Rivers Provider Network, USA Managed Care, Coventry Health Care National Network, Aetna, United Health Care, Great-West Healthcare (Now CIGNA), Medicare, Humana, Cigna, Community Care Network (CCN), Anthem Blue Cross, HealthSmart, First Health, Beech Street (owned by MultiPlan), Health Net, Private Health Care System (Kaiser PPO or POS - excluded), Health Management Network, Amera-Net, TRICARE West, Pacific Health Alliance, Smartcare, Pacific Foundation for Medical Care, TriCare-Health Net/VA, Inc., Canopy Health, Alameda Alliance for Health, USA Health Network, Fortified Provider Network, Partnership Health Plan, Integrated Health Plan, Networks By Design, Contra Costa Health Plan, Canopy Care, Blue Shield of California, UnitedHealthcare, CCHP Health Plan (Chinese Community Health Plan), Central Health Plan and Hill Physicians Care Solutions.

Insurance Accepted by Provider includes:

According to our sources, Dr. Richard Minyoung Chang, MD accepts the following insurance providers:

CorVel Corporation

Blue Shield

Private Health Care System - PHCS/Multiplan

AARP Medicare

Multiplan

Three Rivers Provider Network

USA Managed Care

Coventry Health Care National Network

Aetna

United Health Care

Great-West Healthcare (Now CIGNA)

Medicare

Humana

Cigna

Community Care Network (CCN)

Anthem Blue Cross

HealthSmart

First Health

Beech Street (owned by MultiPlan)

Health Net

Private Health Care System (Kaiser PPO or POS - excluded)

Health Management Network

Amera-Net

TRICARE West

Pacific Health Alliance

Smartcare

Pacific Foundation for Medical Care

TriCare-Health Net/VA

Inc.

Canopy Health

Alameda Alliance for Health

USA Health Network

Fortified Provider Network

Partnership Health Plan

Integrated Health Plan

Networks By Design

Contra Costa Health Plan

Canopy Care

Blue Shield of California

UnitedHealthcare

CCHP Health Plan (Chinese Community Health Plan)

Central Health Plan

Hill Physicians Care Solutions

Ratings & Reviews

Dr. Richard Minyoung Chang, MD has an exceptional overall rating with an average of 4.52 out of 5 stars based on 166 ratings. We collect ratings and reviews of Dr. Richard Minyoung Chang, MD from all over the web to help you find the right in Walnut Creek, CA.

4.52

Overall Rating

(166 Ratings)

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General Payments

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

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$62,538 JARDIANCE $61,942	Pradaxa $565	Praxbind $16	SPIRIVA RESPIMAT $14
BIOTRONIK INC.	$49,536 Bradycardia products $24,342	Passeo $3,292	Edora $2,420	BioMonitor 2 $2,385	Setrox $1,114	Other $15,983
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)	$22,210 LifeVest $22,210
Lilly USA, LLC	$19,246 JARDIANCE $16,483	Effient $192	EMGALITY $15	HUMALOG $14	$2,542
SANOFI-AVENTIS U.S. LLC	$13,560 PRALUENT $13,290	MULTAQ $270
Other	$81,534 Atherectomy Device $12,811	Vascular $8,755	CardioMEMS HF System $7,220	PRALUENT (alirocumab) Injection $5,608	Impella $5,120	Other $42,020

**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	$120,874
Food and Beverage	$84,067
Consulting Fee	$17,520
Travel and Lodging	$14,013
Honoraria	$9,000
Other	$3,149

Research Payments

Dr. Richard Minyoung Chang, MD has received 585 research payments totaling $327,242.

Biography

Dr. Richard Chang specializes in general practice and interventional cardiology. He is rated 4.5 stars (out of 5) by his patients. Areas of expertise for Dr. Chang include permanent pacemaker implantation and complex coronary interventions. Dr. Chang is affiliated with Hill Physicians, John Muir Medical Center, Concord, and John Muir Medical Center, Walnut Creek. He appears to be an in-network provider for Anthem, UnitedHealthcare, and Blue California, in addition to other insurance carriers. Dr. Chang's practice in Walnut Creek, CA is open to new patients as reported by Yext. Before performing his residency at Loma Linda University Medical Center, Dr. Chang attended Manila Central University, MCU-FDT Medical Foundation for medical school. In addition to English, Dr. Chang (or staff) speaks Filipino, Spanish, and Korean.