Ngoc T. Phan, M.D.
Obstetrics & Gynecology Physician · San Francisco, CA
Ngoc T. Phan, M.D. is an obstetrics & gynecology physician with a practice address in San Francisco, California, and NPI 1871629519, issued on Feb 26, 2007. Check the license (California A94038, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ngoc T. Phan
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A94038 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Ave # 6D, San Francisco, CA 94110
- Phone
- (415) 206-1000
- Enumerated
- Feb 26, 2007
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20081002000438); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2004
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1001 Potrero Ave # 6D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chitra Akileswaran, MDObstetrics & Gynecology Physician1053600734
- Michele Baron, MDObstetrics & Gynecology Physician1932594264
- Adam Bonnington, MDObstetrics & Gynecology Physician1811382328
- Katherine BritoStudent in an Organized Health Care Education/Training Program1104567171
- Arianna Cassidy, MDObstetrics & Gynecology Physician1902268923
- Andrea Dalve-Endres, MDObstetrics & Gynecology Physician1326225905
Verify Ngoc T. Phan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94038Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
164 Medicare Part D claims for 75 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol56 claims
- Estring25 claims
- Medroxyprogesterone Acetate15 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
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ngoc T. Phan among 5,088 obstetrics & gynecology physician records in California
Ngoc T. Phan, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2004 · median 2004 among the 2,700 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in San Francisco → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Yamilee Bermingham, M.D.San Francisco, CA 941101013937127
- Deborah Cohan, MDSan Francisco, CA 941101831143221
- Craig Cohen, MDSan Francisco, CA 941101306889613
- Teresa Depineres, MDSan Francisco, CA 941101205880796
- Eleanor Drey, MDSan Francisco, CA 941101942254438
- Rebecca Jackson, MDSan Francisco, CA 941101699729640
- Vanessa Jacoby, MDSan Francisco, CA 941101154363778
- Barbara Nicol, M.D.San Francisco, CA 941101710907811
Common questions
What is Ngoc T. Phan, M.D.'s NPI number?
Ngoc T. Phan, M.D.'s National Provider Identifier (NPI) is 1871629519, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ngoc T. Phan, M.D. located?
The NPPES record lists a practice address at 1001 Potrero Ave # 6D, San Francisco, CA, 94110. Phone: (415) 206-1000. Providers update this record themselves, so call before visiting.
How can I verify Ngoc T. Phan, M.D.'s license?
NPPES lists California license number A94038, 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 Ngoc T. Phan, M.D. prescribe under Medicare Part D?
In 2024, Ngoc T. Phan, M.D. had 164 Medicare Part D claims for 75 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.