Tarika Williams, M.D.
Obstetrics & Gynecology Physician · San Francisco, CA
Tarika Williams, M.D. is an obstetrics & gynecology physician with a practice address in San Francisco, California, and NPI 1235404427, issued on Mar 20, 2012. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tarika Williams
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- D83824 MD
Self-reported in NPPES; status is on the state search - Practice location
- 513 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-2773
- Enumerated
- Mar 20, 2012
- Record last updated
- Mar 31, 2023
- Medicare enrollment
- Enrolled (PECOS I20170918000258); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 513 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimiya Abtahi, DMDStudent in an Organized Health Care Education/Training Program1295397719
- Kemi Alabi, MDStudent in an Organized Health Care Education/Training Program1821857004
- Ivy Aslan, M.D.Specialist1346571833
- Su Aung, M.D.Infectious Disease Physician1649513805
- Jeanie Bhuller, D.O.Anesthesiology Physician1801020391
- Catherine Blebea, MDInternal Medicine Physician1134680531
Verify Tarika Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
74 Medicare Part D claims for 39 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Estradiol20 claims
- Triamcinolone Acetonide12 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
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tarika Williams among 5,088 obstetrics & gynecology physician records in California
Tarika Williams, 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 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2012 · median 2004 among the 2,700 with a school on file
- Record last updated2023 · 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
- Sonia Badheka, D.O.San Francisco, CA 941431013207547
- Elizabeth Blumenthal, MDSan Francisco, CA 941431164759916
- Jocelyn ChapmanSan Francisco, CA 941431770810590
- Alissa Erogbogbo, MDSan Francisco, CA 941431629234554
- Erica Johnstone, M.D.San Francisco, CA 941431487773263
- Karen McCune, MDSan Francisco, CA 941431326197633
- Jennifer McNallySan Francisco, CA 941431699054718
- Amy Murtha, M.D.San Francisco, CA 941431013066034
Common questions
What is Tarika Williams, M.D.'s NPI number?
Tarika Williams, M.D.'s National Provider Identifier (NPI) is 1235404427, issued on Mar 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Tarika Williams, M.D. located?
The NPPES record lists a practice address at 513 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-2773. Providers update this record themselves, so call before visiting.
How can I verify Tarika Williams, M.D.'s license?
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 Tarika Williams, M.D. prescribe under Medicare Part D?
In 2024, Tarika Williams, M.D. had 74 Medicare Part D claims for 39 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.