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

Merry D Widmeyer, PA

Individual provider Medical Physician Assistant · NPI 1053618173

Merry D Widmeyer, PA is a Medical Physician Assistant in Napa, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

1001 Professional Dr
Napa, CA 94558-6413
Phone: (707) 252-0494
Fax: (707) 252-7586
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence PA10978 (CA)

Record details

NPI number1053618173
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedFebruary 25, 2011
Last updated in NPPESFebruary 25, 2011
Mailing address1561 3rd St Ste G, Napa, CA 94559-2861

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