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

Gian P Nhan MD Inc

Organization Anesthesiology Physician · NPI 1225248198

Gian P Nhan MD Inc is an Anesthesiology Physician in Sonoma, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

347 Andrieux St
Sonoma, CA 95476-6811
Phone: (951) 929-6260
Fax: (951) 765-2855
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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 A64288 (CA)

Record details

NPI number1225248198
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gian Nhan — President · (951) 929-6260
NPI enumeratedMay 22, 2007
Last updated in NPPESAugust 22, 2020
Mailing addressPo Box 788, Hemet, CA 92546-0788

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