NPPES file of Aug 9, 2026

Madelyn Irene Kahn, MD

Obstetrics & Gynecology Physician · San Francisco, CA

Madelyn Irene Kahn, MD is an obstetrics & gynecology physician with a practice address in San Francisco, California, and NPI 1861576126, issued on Oct 24, 2006. Check the license (California G52531, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861576126
Name
Madelyn Irene Kahn
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G52531 CA
Self-reported in NPPES; status is on the state search
Practice location
390 Laurel St, San Francisco, CA 94118
Phone
(415) 749-1939
Enumerated
Oct 24, 2006
Record last updated
Nov 7, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(415) 749-1312
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 390 Laurel St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Buda, DDSDentist1912246364
  2. Hop Le, MDPlastic Surgery Physician1528143849
  3. Maria Majda, DDSDentist1912122656

Verify Madelyn Irene Kahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G52531
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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Madelyn Irene Kahn among 5,088 obstetrics & gynecology physician records in California

Madelyn Irene Kahn, 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 not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2010 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Catherine Berger-Dujmovic, MDSan Francisco, CA 941181467470070
  2. Kathryn ClarkSan Francisco, CA 941181154349769
  3. Jacqueline Fletcher, M.D.San Francisco, CA 941181982796009
  4. Nelden HagbomSan Francisco, CA 941181467481655
  5. Holly HolterSan Francisco, CA 941181740219815
  6. Susan HuangSan Francisco, CA 941181518057322
  7. Frederica Lofquist, M.D.San Francisco, CA 941181750458873
  8. Carl Otto, MDSan Francisco, CA 941181275551087

Common questions

What is Madelyn Irene Kahn, MD's NPI number?

Madelyn Irene Kahn, MD's National Provider Identifier (NPI) is 1861576126, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Madelyn Irene Kahn, MD located?

The NPPES record lists a practice address at 390 Laurel St, San Francisco, CA, 94118. Phone: (415) 749-1939. Providers update this record themselves, so call before visiting.

How can I verify Madelyn Irene Kahn, MD's license?

NPPES lists California license number G52531, 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.