1. Home
  2. Directory
  3. California
  4. Saint Helena
  5. Physician Assistant
  6. NPI Profile

MARY K. WALTER PA
NPI 1770890345
Physician Assistant - Medical in Saint Helena, CA

Active since September 02, 2010
1222 PINE ST, SAINT HELENA, CA 94574(707) 963-3641(707) 963-8462 Get Directions Write a Review

NPPES record last updated: September 2, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary K. Walter Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY K. WALTER PA (NPI 1770890345) is an individual medical provider in Saint Helena, California, licensed in California (PA11328) and active in the NPI registry since September 2010.

NPPES Registry Identity

NPI1770890345
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameMARY K. WALTERCredential: PA
Location Address1222 PINE STSaint Helena, CA 94574-1830
Mailing Address1561 Third St Ste GNapa, CA 94559-2861 · (707) 259-2000 · Fax (707) 259-0181
Phone(707) 963-3641
Fax(707) 963-8462
Sole ProprietorNo
Enumeration DateSeptember 2, 2010
✔ NPI 1770890345 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in CA · PA11328
1222 PINE ST, Saint Helena, CA 94574
Open in Google Maps ↗

Other Identifiers 1

Medicare PINZZZ00607Z

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BETH LINCOLN NP
Nurse Practitioner
1222 PINE ST
SAINT HELENA, CA 94574
Napa County (707) 963-3641
OLE HEALTH
Clinic/Center (Federally Qualified Health Center (FQHC))
1222 PINE ST, SUITE A
SAINT HELENA, CA 94574
Napa County (707) 254-1774
BARRY ALFRED BROWN M.D.
Family Medicine
1222 PINE ST
SAINT HELENA, CA 94574
Napa County (707) 963-2711
DR. MARIE BOLING HUGHES
Family Medicine
1222 PINE ST
SAINT HELENA, CA 94574
Napa County (707) 963-3641
HILLARY HOPPE
Nurse Practitioner (Family)
1222 PINE ST
SAINT HELENA, CA 94574
Napa County (707) 963-3641
MELISSA MINA TOMA NURSE PRACTITIONER
Nurse Practitioner (Family)
1222 PINE ST
SAINT HELENA, CA 94574
Napa County (707) 963-3641

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Walter's NPI number?

The NPI number for Mary Walter is 1770890345. It was assigned to this individual provider in the NPPES registry on September 2, 2010.

Where is Mary Walter located?

Mary Walter practices at 1222 Pine St, Saint Helena, CA 94574. The listed phone number is (707) 963-3641.

What is Mary Walter's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Mary Walter was last updated on September 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.