Richard Minyoung Chang, M.D.
Interventional Cardiology Physician · Walnut Creek, CA
Richard Minyoung Chang, M.D. is an interventional cardiology physician with a practice address in Walnut Creek, California, and NPI 1275669954, issued on Feb 26, 2007. Check the license (California A83588, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Minyoung Chang
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- A83588 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Treat Blvd, Walnut Creek, CA 94597
- Phone
- (925) 937-1770
- Enumerated
- Feb 26, 2007
- Record last updated
- Aug 11, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (925) 937-0630
- Medicare enrollment
- Enrolled (PECOS I20040514001253); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 632 in California → Look up another NPI →
Also registered at 1450 Treat Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sonal Aggarwal, MDFamily Medicine Physician1336336411
- Deborah Arce, M.D.Internal Medicine Physician1841215605
- Cynthia AshbrookAllergy & Immunology Physician1386786408
- Chanda Banwat, M.D.Internal Medicine Physician1750584389
Verify Richard Minyoung Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83588Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average interventional cardiology physician in 2024
6,745 Medicare Part D claims for 1,086 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Rosuvastatin Calcium608 claims
- Eliquis490 claims
- Atorvastatin Calcium433 claims
- Metoprolol Succinate412 claims
- Amlodipine Besylate323 claims
- Jardiance295 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 88.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $10,765.40
118 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- John Muir Physician NetworkWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Minyoung Chang among 632 interventional cardiology physician records in California
Richard Minyoung Chang, M.D. is one of 632 interventional cardiology physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1999 · median 2001 among the 526 with a school on file
- Record last updated2015 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in California
There are 632 interventional cardiology physician records in California.
All 632 in California → Every provider in Walnut Creek → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Andrew Dublin, MDWalnut Creek, CA 945971215085246
- Andrew Benn, MDWalnut Creek, CA 945981851329270
- Timothy Carlton, MDWalnut Creek, CA 945981689772360
- Sally Davis, M.D.Walnut Creek, CA 945981154403533
- Christopher Forrest, MDWalnut Creek, CA 945961245318302
- Sushil Karmarkar, MDWalnut Creek, CA 945961124106224
- John Krouse, MDWalnut Creek, CA 945981740210301
- Alexander Meyer, MDWalnut Creek, CA 945961639533359
Common questions
What is Richard Minyoung Chang, M.D.'s NPI number?
Richard Minyoung Chang, M.D.'s National Provider Identifier (NPI) is 1275669954, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Richard Minyoung Chang, M.D. located?
The NPPES record lists a practice address at 1450 Treat Blvd, Walnut Creek, CA, 94597. Phone: (925) 937-1770. Providers update this record themselves, so call before visiting.
How can I verify Richard Minyoung Chang, M.D.'s license?
NPPES lists California license number A83588, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard Minyoung Chang, M.D. prescribe under Medicare Part D?
In 2024, Richard Minyoung Chang, M.D. had 6,745 Medicare Part D claims for 1,086 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Richard Minyoung Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.