Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Gregory James Leipzig, MD

Individual provider Anesthesiology Physician · NPI 1750452033

Dr. Gregory James Leipzig, MD is an Anesthesiology Physician in Napa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 Trancas St
Napa, CA 94558-2906
Phone: (707) 252-4411
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence G821121 (CA)

Record details

NPI number1750452033
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 10, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 3836, Napa, CA 94558-0383

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