NPPES file of Aug 9, 2026

William M. Leininger, M.D.

Obstetrics & Gynecology Physician · San Diego, CA

William M. Leininger, M.D. is an obstetrics & gynecology physician with a practice address in San Diego, California, and NPI 1558336974, issued on Feb 20, 2006. Check the license (California GFE75238, 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
1558336974
Name
William M. Leininger
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
GFE75238 CA
G75238 CA
Self-reported in NPPES; status is on the state search
Practice location
34800 Bob Wilson Dr, San Diego, CA 92134
Phone
(619) 532-7004
Enumerated
Feb 20, 2006
Record last updated
Feb 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(619) 532-6587
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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8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →

Also registered at 34800 Bob Wilson Dr

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

  1. Jose Acosta, MDSurgical Critical Care Physician1861418618
  2. Nehkonti Adams, M.D.Infectious Disease Physician1194985705
  3. Maryam Adebayo, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1346799269
  4. Caleb Adkins, DOGeneral Practice Physician1689430860
  5. Kyle Adkins, PHARMDPharmacist1477740884
  6. Phillip Adriano, M.D.Emergency Medicine Physician1568576585

Verify William M. Leininger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license GFE75238    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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William M. Leininger among 5,088 obstetrics & gynecology physician records in California

William M. Leininger, 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 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 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,088 in California → Every provider in San Diego → Obstetrics & Gynecology Physician nationwide →

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

  1. Debra Arsenault, D.O.San Diego, CA 921341598767931
  2. Michael Dainer, D.O.San Diego, CA 921341578535928
  3. Anna Flinn, D.O.San Diego, CA 921341205886645
  4. David Furlong, D.O.San Diego, CA 921341083768063
  5. Adrienne Harper, MDSan Diego, CA 921341639147010
  6. Kobjit Heaton, M.D.San Diego, CA 921341255325486
  7. Mary Jo Kinsella, DO, FACOGSan Diego, CA 921341891767182
  8. Donald Moore, M.D.San Diego, CA 921341780664904

Common questions

What is William M. Leininger, M.D.'s NPI number?

William M. Leininger, M.D.'s National Provider Identifier (NPI) is 1558336974, issued on Feb 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William M. Leininger, M.D. located?

The NPPES record lists a practice address at 34800 Bob Wilson Dr, San Diego, CA, 92134. Phone: (619) 532-7004. Providers update this record themselves, so call before visiting.

How can I verify William M. Leininger, M.D.'s license?

NPPES lists California license number GFE75238, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.