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

Diane E Weissman, MD

Individual provider Family Medicine Physician · NPI 1689668048

Diane E Weissman, MD is a Family Medicine Physician in Napa, California. Licensed in Arizona, California and Hawaii. Registered with an NPI since 2005.

Licensed in
AZ, CA, HI
In the registry since
2005
Specialties on file
3
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

1141 Pear Tree Ln
Napa, CA 94558-6484
Phone: (707) 254-1770
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A72337 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence 45087 (AZ)
Family Medicine Physician Taxonomy 207Q00000X · Licence MD-23863 (HI)

Record details

NPI number1689668048
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2005
Last updated in NPPESJanuary 26, 2026
Certification dateJanuary 26, 2026
Mailing address1141 Pear Tree Ln, Napa, CA 94558-6484

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