Pinchieh Chiang, D.O.
Family Medicine Physician · San Francisco, CA
Pinchieh Chiang, D.O. is a family medicine physician with a practice address in San Francisco, California, and NPI 1558646513, issued on Oct 20, 2011. Check the license (California 20A11887, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Pinchieh Chiang
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A11887 CA
009618 AZ
CDR.0002301 CO
OS18561 FL
036.158664 IL
and 8 more
Self-reported in NPPES; status is on the state search - Practice location
- 333 1St St Ste A, San Francisco, CA 94105
- Phone
- (888) 803-3370
- Enumerated
- Oct 20, 2011
- Record last updated
- Mar 16, 2026
- Fax
- (888) 803-3331
- Medicare enrollment
- Enrolled (PECOS I20260306000359); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 333 1St St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Acle, PA-CPhysician Assistant1265986897
- Camila AguilarPhysician Assistant1013785211
- Nawal Ahmed Khan, MDInternal Medicine Physician1962727818
- Rachel Akin, FNPPrimary Care Nurse Practitioner1104205871
- Mae Carmela AltavasFamily Nurse Practitioner1508261686
- Natalie Araya, P.A.Physician Assistant1578828604
Verify Pinchieh Chiang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Pinchieh Chiang among 17,133 family medicine physician records in California
Pinchieh Chiang, D.O. 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 not. Its NPI, issued in 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2010 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Melinda Au, DOSan Francisco, CA 941051548316482
- Sarah Carlson, M.D.San Francisco, CA 941051669455382
- Carolyn Chen, MDSan Francisco, CA 941051649203332
- Kwan Chun, MDSan Francisco, CA 941051801986955
- George Flores, MD, MPHSan Francisco, CA 941051962694596
- Elisa Horta, M.D., M.P.H.San Francisco, CA 941051013900653
- Fatimah Jah, MDSan Francisco, CA 941051063513570
- Suniti Kumar, M.D.San Francisco, CA 941051265450951
Common questions
What is Pinchieh Chiang, D.O.'s NPI number?
Pinchieh Chiang, D.O.'s National Provider Identifier (NPI) is 1558646513, issued on Oct 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Pinchieh Chiang, D.O. located?
The NPPES record lists a practice address at 333 1St St Ste A, San Francisco, CA, 94105. Phone: (888) 803-3370. Providers update this record themselves, so call before visiting.
How can I verify Pinchieh Chiang, D.O.'s license?
NPPES lists California license number 20A11887, 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. 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.