NPPES file of Aug 9, 2026

Shih-Fan Sun

Internal Medicine Physician · Rolling Hills Estates, CA

Shih-Fan Sun is an internal medicine physician with a practice address in Rolling Hills Estates, California, and NPI 1003234063, issued on Apr 6, 2014. Check the license (California A140568, 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
1003234063
Name
Shih-Fan Sun
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A140568 CA
Self-reported in NPPES; status is on the state search
Practice location
501 Deep Valley Dr Ste 100, Rolling Hills Estates, CA 90274
Phone
(310) 303-3953
Enumerated
Apr 6, 2014
Record last updated
Sep 9, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 303-7903
Medicare enrollment
Enrolled (PECOS I20170530002531); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2014
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 501 Deep Valley Dr Ste 100

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

  1. Hanbyul ChoiInternal Medicine Physician1164885174
  2. Suzanne Homer, M.D.Diagnostic Radiology Physician1194767582
  3. Preeti Jhorar, M.D.Dermatology Physician1366872293
  4. John Livoni, MDDiagnostic Radiology Physician1033200902
  5. Kimngan NguyenFamily Medicine Physician1902366552
  6. Daniel O'BrienCardiovascular Disease Physician1023512431

Verify Shih-Fan 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 A140568
    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.

44% more Medicare Part D claims than the average internal medicine physician in 2024

4,571 Medicare Part D claims for 533 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 106 claims were for opioids.

  1. Shih-Fan Sun4,571
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium373 claims
  2. Losartan Potassium260 claims
  3. Amlodipine Besylate252 claims
  4. Rosuvastatin Calcium168 claims
  5. Levothyroxine Sodium148 claims
  6. Zolpidem Tartrate118 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. The Regents OF The University OF CaliforniaRolling Hills Estates, CA

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

10 internal medicine physician records list a practice address in Rolling Hills Estates

They are 10 of the 208 NPPES records with a practice address in Rolling Hills Estates, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Shih-Fan Sun's NPI number?

Shih-Fan Sun's National Provider Identifier (NPI) is 1003234063, issued on Apr 6, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Shih-Fan Sun located?

The NPPES record lists a practice address at 501 Deep Valley Dr Ste 100, Rolling Hills Estates, CA, 90274. Phone: (310) 303-3953. Providers update this record themselves, so call before visiting.

How can I verify Shih-Fan Sun's license?

NPPES lists California license number A140568, 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 Shih-Fan Sun prescribe under Medicare Part D?

In 2024, Shih-Fan Sun had 4,571 Medicare Part D claims for 533 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.