COUNTY OF STANISLAUS
NPI 1093910275
Clinic/Center in Modesto, CA
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
Specialties & Licenses
Other Names 1
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
County Of Stanislaus is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
58Medicare enrollment records show 58 clinicians reassign Medicare billing to County Of Stanislaus, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 39 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 17
Nearest to this location (20)
See all 58Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
Is County Of Stanislaus enrolled in Medicare?
Yes. County Of Stanislaus is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through County Of Stanislaus?
According to the CMS Revalidation Reassignment List (October 2026 release), 58 clinicians in 17 Medicare specialties reassign their Medicare billing to County Of Stanislaus. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Family Practice (10), Orthopedic Surgery (10) and Marriage and Family Therapist (8). Of these, 1 practice at this address and 39 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 11 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.
# County Of Stanislaus · NPI 1093910275
Clinic/Center organization in Modesto, California. Organization record, active in the CMS NPPES registry since June 18, 2007.
## Identity
- **NPI:** 1093910275 (Entity type: Organization)
- **Enumerated:** June 18, 2007
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Also known as:** Stanislaus County Health Services Agency McHenry Medical Office (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Heather Duvall, MANAGING DIRECTOR
## Practice location
- **Address:** 1209 WOODROW AVE, STE. B-10, Modesto, CA 95350-1288
- **Phone:** (209) 558-5312 · **Fax:** (209) 558-8611
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 58 clinicians in 17 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (10), Orthopedic Surgery (10), Marriage and Family Therapist (8); 1 practice at this address and 39 within 10 miles; [full list](https://npiprofile.com/npi/1093910275/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 21, 2025
- **Other identifiers:** Other CMM70751F (CA); Other HAP70751F (CA); Other FHC70751F
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Source: [NPI Profile](https://npiprofile.com/npi/1093910275) · Data from the CMS NPPES public registry.