NPPES file of Aug 9, 2026

Yang M. Sun, MD

Family Medicine Physician · Richmond, CA

Yang M. Sun, MD is a family medicine physician with a practice address in Richmond, California, and NPI 1346325024, issued on Oct 25, 2006. Check the license (California A75940, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346325024
Name
Yang M. Sun
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A75940 CA
Self-reported in NPPES; status is on the state search
Practice location
901 Nevin Ave, Richmond, CA 94801
Phone
(510) 307-1500
Enumerated
Oct 25, 2006
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A759400 CA
Medicare enrollment
Enrolled (PECOS I20110418000314); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 901 Nevin Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Susana Acevedo, MDPediatrics Physician1801971569
  2. Mankaah AchoPediatrics Physician1225779721
  3. Mary Ackerman, NPAdult Health Nurse Practitioner1154406155
  4. Kian AdabiNeurology Physician1528626710
  5. Samina Agha, MDHospitalist Physician1548345200
  6. Jessica Alfonso, RRTRegistered Respiratory Therapist1295507598

Verify Yang M. Sun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A75940
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

74% more Medicare Part D claims than the average family medicine physician in 2024

6,165 Medicare Part D claims for 866 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 233 claims were for opioids.

  1. Yang Sun6,165
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium386 claims
  2. Amlodipine Besylate301 claims
  3. Losartan Potassium272 claims
  4. Levothyroxine Sodium220 claims
  5. Lisinopril189 claims
  6. Metoprolol Succinate163 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncRichmond, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yang M. Sun among 17,133 family medicine physician records in California

Yang M. Sun, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1992 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 family medicine physician records list a practice address in Richmond

They are 27 of the 1,696 NPPES records with a practice address in Richmond, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Justin Chin, DORichmond, CA 948011699399006
  2. Rebecca Citron, MDRichmond, CA 948011730613142
  3. Earl Clark, MDRichmond, CA 948011104387174
  4. Jan Diamond, MDRichmond, CA 948011326116898
  5. Mary Gauthier, M.D.Richmond, CA 948011487823936
  6. Daniel Hans, D.O.Richmond, CA 948011881081065
  7. Kristina Heller, D.O.Richmond, CA 948011780046987
  8. Ki Kim, D.O.Richmond, CA 948011548556665

Common questions

What is Yang M. Sun, MD's NPI number?

Yang M. Sun, MD's National Provider Identifier (NPI) is 1346325024, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yang M. Sun, MD located?

The NPPES record lists a practice address at 901 Nevin Ave, Richmond, CA, 94801. Phone: (510) 307-1500. Providers update this record themselves, so call before visiting.

How can I verify Yang M. Sun, MD's license?

NPPES lists California license number A75940, 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 Yang M. Sun, MD prescribe under Medicare Part D?

In 2024, Yang M. Sun, MD had 6,165 Medicare Part D claims for 866 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.