Claire Jessica Tobias, M.D.
Obstetrics & Gynecology Physician · San Francisco, CA
Claire Jessica Tobias, M.D. is an obstetrics & gynecology physician with a practice address in San Francisco, California, and NPI 1174972517, issued on Jun 7, 2016. Check the license (California A168476, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Claire Jessica Tobias
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A168476 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2238 Geary Blvd FL 2, San Francisco, CA 94115
- Phone
- (917) 885-5261
- Enumerated
- Jun 7, 2016
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240209003142); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 2238 Geary Blvd FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Cameron, MD, MSCCH, CCFP (EM)Family Medicine Physician1912862400
Verify Claire Jessica Tobias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A168476Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
40 Medicare Part D claims for 18 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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 IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claire Jessica Tobias among 5,088 obstetrics & gynecology physician records in California
Claire Jessica Tobias, 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 2016, is newer than 85% of them.
- NPI issued2016 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2016 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 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
- Reuben Clay, MDSan Francisco, CA 941151477541092
- Robert Domush, M.D.San Francisco, CA 941151932141454
- Uchechukwu Ezeh, M.D.San Francisco, CA 941151710934310
- Morey Filler, MDSan Francisco, CA 941151437147063
- Victor Fujimoto, M.D.San Francisco, CA 941151598704140
- Cindy Grijalva, MDSan Francisco, CA 941151225028913
- Heather Huddleston, M.D.San Francisco, CA 941151053358598
- Julie Huh, MDSan Francisco, CA 941151225026446
Common questions
What is Claire Jessica Tobias, M.D.'s NPI number?
Claire Jessica Tobias, M.D.'s National Provider Identifier (NPI) is 1174972517, issued on Jun 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Claire Jessica Tobias, M.D. located?
The NPPES record lists a practice address at 2238 Geary Blvd FL 2, San Francisco, CA, 94115. Phone: (917) 885-5261. Providers update this record themselves, so call before visiting.
How can I verify Claire Jessica Tobias, M.D.'s license?
NPPES lists California license number A168476, 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 Claire Jessica Tobias, M.D. prescribe under Medicare Part D?
In 2024, Claire Jessica Tobias, M.D. had 40 Medicare Part D claims for 18 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.