Han-Cheng Chen
Internal Medicine Physician · San Francisco, CA
Han-Cheng Chen is an internal medicine physician with a practice address in San Francisco, California, and NPI 1912387796, issued on Jun 5, 2015. Check the license (California A18494, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Han-Cheng Chen
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A18494 CA
2015017139 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Avenue, San Francisco, CA 94110
- Phone
- (628) 206-4777
- Enumerated
- Jun 5, 2015
- Record last updated
- Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201217002535); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1001 Potrero Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Allison, MDGastroenterology Physician1265535777
- Deborah Anderson, CNMRegistered Nurse1801821053
- Patrick AvilaGastroenterology Physician1114365699
- Amin Azzam, MDPsychiatry Physician1811927395
- Jennifer Babik, MDInternal Medicine Physician1457421208
- Roland Bainton, MDAnesthesiology Physician1376596213
Verify Han-Cheng Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A18494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Modesto Kidney Medical GroupModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Han-Cheng Chen among 17,696 internal medicine physician records in California
Han-Cheng Chen 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 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Neal Benowitz, MDSan Francisco, CA 941101538103411
- Ann Bolger, MDSan Francisco, CA 941101457395352
- Howard Graves, MD PHDSan Francisco, CA 941101427090869
- Stephen Hoffman, MDSan Francisco, CA 941101265476147
- Daniel Kahler, D.O.San Francisco, CA 941101629019781
- Jeanette Krolikowski, D.O.San Francisco, CA 941101962471920
- John Metcalfe, M.D.San Francisco, CA 941101154399350
- Hedda Orkin, MDSan Francisco, CA 941101093753030
Common questions
What is Han-Cheng Chen's NPI number?
Han-Cheng Chen's National Provider Identifier (NPI) is 1912387796, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Han-Cheng Chen located?
The NPPES record lists a practice address at 1001 Potrero Avenue, San Francisco, CA, 94110. Phone: (628) 206-4777. Providers update this record themselves, so call before visiting.
How can I verify Han-Cheng Chen's license?
NPPES lists California license number A18494, 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.
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.