NPPES file of Aug 9, 2026

Yeming Sun, M.D.

Internal Medicine Physician · Irvine, CA

Yeming Sun, M.D. is an internal medicine physician with a practice address in Irvine, California, and NPI 1811977069, issued on Jan 21, 2006. Check the license (California A69676, 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
1811977069
Name
Yeming Sun
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A69676 CA
Self-reported in NPPES; status is on the state search
Practice location
113 Waterworks Way, Irvine, CA 92618
Phone
(949) 552-6788
Enumerated
Jan 21, 2006
Record last updated
Dec 28, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20041019001362); 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.
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Also registered at 113 Waterworks Way

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

  1. Wassiem Abdelmalek, PHYSICAL THERAPISTPhysical Therapist1174686539
  2. Dean Ariaee, DDSGeneral Practice Dentistry1225354343
  3. Hyeonju Choi, D.M.DDentist1396953949
  4. Michelle Coppel, RDRegistered Dietitian1740642701
  5. Nooshin Ghayoumi, D.D.S.Periodontics1689876799
  6. Christine HaChiropractor1346442761

Verify Yeming 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 A69676
    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.

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20% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,530 Medicare Part D claims for 293 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Yeming Sun2,530
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium319 claims
  2. Amlodipine Besylate219 claims
  3. Losartan Potassium170 claims
  4. Levothyroxine Sodium117 claims
  5. Metformin Hcl111 claims
  6. Rosuvastatin Calcium69 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.

Yeming Sun among 17,696 internal medicine physician records in California

Yeming Sun, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1986 · median 2004 among the 11,065 with a school on file
  • Record last updated2011 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

155 internal medicine physician records list a practice address in Irvine

They are 155 of the 7,778 NPPES records with a practice address in Irvine, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Savitha Bharadwaj, M.D.Irvine, CA 926181760470926
  2. Juan Cabrera, M.D.Irvine, CA 926181447254792
  3. William Chen, M.D.Irvine, CA 926181881659142
  4. Subrato Ghosh, MDIrvine, CA 926181083607055
  5. Kambiz Karimi, M.D.Irvine, CA 926181184688475
  6. Sara Kim, M.D.Irvine, CA 926181912944166
  7. Brian Lo, MDIrvine, CA 926181073501565
  8. Emad Mikhail, MDIrvine, CA 926181376582957

Common questions

What is Yeming Sun, M.D.'s NPI number?

Yeming Sun, M.D.'s National Provider Identifier (NPI) is 1811977069, issued on Jan 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yeming Sun, M.D. located?

The NPPES record lists a practice address at 113 Waterworks Way, Irvine, CA, 92618. Phone: (949) 552-6788. Providers update this record themselves, so call before visiting.

How can I verify Yeming Sun, M.D.'s license?

NPPES lists California license number A69676, 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 Yeming Sun, M.D. prescribe under Medicare Part D?

In 2024, Yeming Sun, M.D. had 2,530 Medicare Part D claims for 293 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.