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Gregory Leipzig, M.D.
NPI 1750452033 · Anesthesiology Physician · Napa, CA
Gregory Leipzig, M.D. is a Anesthesiology Physician provider in Napa, CA (NPI 1750452033).
Provider details
- NPI number
- 1750452033
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G821121 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1000 Trancas St
Napa, CA 94558-2906
Phone: (707) 252-4411
Street-level locationGet directions
Mailing address
Po Box 3836
Napa, CA 94558-0383
Registry dates
- Enumerated
- 2006-11-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Leipzig's NPI number?
- Gregory Leipzig's National Provider Identifier (NPI) is 1750452033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Leipzig's specialty?
- Gregory Leipzig is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Leipzig located?
- Gregory Leipzig's practice location on file with NPPES is 1000 Trancas St, Napa, CA 94558-2906.
- What is Gregory Leipzig's phone number?
- The practice phone number listed in the NPPES registry for Gregory Leipzig is (707) 252-4411.
- Is Gregory Leipzig's NPI active?
- Yes — Gregory Leipzig's NPI (1750452033) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.