Leigh Ann Humphries, MD
Obstetrics & Gynecology Physician · San Francisco, CA
Leigh Ann Humphries, MD is an obstetrics & gynecology physician with a practice address in San Francisco, California, and NPI 1336677442, issued on Jun 2, 2017. Check the license (California A205139, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leigh Ann Humphries
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A205139 CA
Self-reported in NPPES; status is on the state search - Practice location
- 499 Illinois St FL 6, San Francisco, CA 94158
- Phone
- (415) 353-7475
- Enumerated
- Jun 2, 2017
- Record last updated
- Jul 22, 2026
- Medicare enrollment
- Enrolled (PECOS I20240925000083); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2017
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 499 Illinois St FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ronley AvilesFamily Nurse Practitioner1619507050
- Natalie Barnes, FNP-BCFamily Nurse Practitioner1134732704
- Marcelle Cedars, M.D.Reproductive Endocrinology Physician1427095090
- Jacob Christ, MDReproductive Endocrinology Physician1386141422
- Elena Hogenesch, MDObstetrics & Gynecology Physician1518595347
Verify Leigh Ann Humphries in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A205139Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
19 Medicare Part D claims for 14 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
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leigh Ann Humphries among 5,088 obstetrics & gynecology physician records in California
Leigh Ann Humphries, MD 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 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2017 · median 2004 among the 2,700 with a school on file
- Record last updated2026 · 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
- Ryan Duggal, MDSan Francisco, CA 941581225599327
- Elena Hogenesch, MDSan Francisco, CA 941581518595347
- Eleni Jaswa, MD, MSCSan Francisco, CA 941581962768374
- Amy Kaing, MDSan Francisco, CA 941581063822914
- Jessica Kim, MDSan Francisco, CA 941581699206136
- Zeynep Koc, MDSan Francisco, CA 941581457844144
- Maren Shapiro Eger, MDSan Francisco, CA 941581811359730
- Onyemaechi Anoruo, MD, MPH, MSSan Francisco, CA 941431679159511
Common questions
What is Leigh Ann Humphries, MD's NPI number?
Leigh Ann Humphries, MD's National Provider Identifier (NPI) is 1336677442, issued on Jun 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Leigh Ann Humphries, MD located?
The NPPES record lists a practice address at 499 Illinois St FL 6, San Francisco, CA, 94158. Phone: (415) 353-7475. Providers update this record themselves, so call before visiting.
How can I verify Leigh Ann Humphries, MD's license?
NPPES lists California license number A205139, 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 Leigh Ann Humphries, MD prescribe under Medicare Part D?
In 2024, Leigh Ann Humphries, MD had 19 Medicare Part D claims for 14 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.