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

Napa Valley Nephrology & Internal Medicine Medical Group, Inc

Organization Internal Medicine Physician · NPI 1073572582

Napa Valley Nephrology & Internal Medicine Medical Group, Inc is an Internal Medicine Physician in Napa, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
3
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

3443 Villa Ln Ste 6
Napa, CA 94558-6417
Phone: (707) 252-8407
Fax: (707) 252-8335
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X (CA)
Internal Medicine Physician Taxonomy 207R00000X (CA)
Nephrology Physician Taxonomy 207RN0300X (CA)

Record details

NPI number1073572582
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Tammy Hill — Business Manager · (707) 252-8407
NPI enumeratedMarch 22, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address3443 Villa Ln, Suite 6, Napa, CA 94558-6417

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