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COUNTY OF STANISLAUS
NPI 1093910275
Clinic/Center in Modesto, CA

Active since June 18, 2007
1209 WOODROW AVE, STE. B-10, MODESTO, CA 95350(209) 558-5312(209) 558-8611 Get Directions Write a Review

NPPES record last updated: November 21, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 21, 2025, Oct 3, 2024 (2 updates tracked since 2024).

About County Of Stanislaus NPPES

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

COUNTY OF STANISLAUS (NPI 1093910275), doing business as Stanislaus County Health Services Agency Mchenry Medical Office, is a healthcare organization registered as a clinic/center in Modesto, California and active in the NPI registry since June 2007. The organization lists Heather Duvall, Managing Director, as its authorized official.

NPPES Registry Identity

NPI1093910275
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameCOUNTY OF STANISLAUS
Location Address1209 WOODROW AVE, STE. B-10Modesto, CA 95350-1288
Mailing Address1209 Woodrow Ave, Ste. B-10Modesto, CA 95350-1288 · (209) 558-5312
Phone(209) 558-5312
Fax(209) 558-8611
Organization SubpartNo
Authorized OfficialHeather DuvallManaging Director · (209) 558-7163
Enumeration DateJune 18, 2007
Last NPPES UpdateNovember 21, 20252 updates tracked since enumeration
NPPES CertifiedNovember 21, 2025
✔ NPI 1093910275 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
1209 WOODROW AVE, Modesto, CA 95350
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Other Names 1

Doing Business AsStanislaus County Health Services Agency Mchenry Medical Office

Other Identifiers 3

OtherCMM70751FCA · Medical
OtherHAP70751FCA · Family Pact
OtherFHC70751FMedical

Other Providers at the Same Location NPPES 8

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

SUZANNE LOUISE MEYER M.D.
Internal Medicine
1209 WOODROW AVE, SUITE B10
MODESTO, CA 95350
Stanislaus County (209) 558-5312
JUAN LOPEZ SOLORZA M.D.
Family Medicine
1209 WOODROW AVE, SUITE B10
MODESTO, CA 95350
Stanislaus County (209) 558-5312
BARBARA RUDDY NP
Nurse Practitioner
1209 WOODROW AVE, STE B-10
MODESTO, CA 95350
Stanislaus County (209) 558-5312
SEANG MENG SENG M.D.
Family Medicine
1209 WOODROW AVE, SUITE B10
MODESTO, CA 95350
Stanislaus County (209) 558-5312
THOMAS RAYMOND WENSTRUP M.D.
Family Medicine
1209 WOODROW AVE, SUITE B10
MODESTO, CA 95350
Stanislaus County (208) 558-5312
HILDA A VILLARREAL NP
Clinical Nurse Specialist (Emergency)
1209 WOODROW AVE
MODESTO, CA 95350
Stanislaus County (209) 558-5312
KAY ZAGARIS NP
Nurse Practitioner
1209 WOODROW AVE, SUITE B-10
MODESTO, CA 95350
Stanislaus County (209) 558-5312
LESLIE ANN HALSETH PA
Physician Assistant
1209 WOODROW AVE
MODESTO, CA 95350
Stanislaus County (209) 558-5312

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 County Of Stanislaus's NPI number?

The NPI number for County Of Stanislaus is 1093910275. It was assigned to this organization in the NPPES registry on June 18, 2007. The provider is doing business as Stanislaus County Health Services Agency McHenry Medical Office.

Where is County Of Stanislaus located?

County Of Stanislaus is located at 1209 Woodrow Ave Ste. B-10, Modesto, CA 95350. The listed phone number is (209) 558-5312.

What is County Of Stanislaus's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

When was this NPI record last updated?

The NPPES record for County Of Stanislaus was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.