William Leininger, M.D.
NPI 1558336974 · Obstetrics & Gynecology Physician · San Diego, CA
William Leininger, M.D. is a Obstetrics & Gynecology Physician provider in San Diego, CA (NPI 1558336974).
Provider details
- NPI number
- 1558336974
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G75238 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-20
- Last updated
- 2021-02-25
- Certified
- 2021-02-25
Frequently asked questions
- What is William Leininger's NPI number?
- William Leininger's National Provider Identifier (NPI) is 1558336974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Leininger's specialty?
- William Leininger is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is William Leininger located?
- William Leininger's practice location on file with NPPES is 34800 Bob Wilson Dr, San Diego, CA 92134-5000.
- What is William Leininger's phone number?
- The practice phone number listed in the NPPES registry for William Leininger is (619) 532-7004.
- Is William Leininger's NPI active?
- Yes — William Leininger's NPI (1558336974) is active in the NPPES registry as of the last update on 2021-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.