YELLOWSTONE CITY-COUNTY HEALTH DEPARTMENT
NPI 1528575685
Clinic/Center - Federally Qualified Health Center (FQHC) in Billings, MT

Q: What is Yellowstone City-County Health Department's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

Active since January 10, 2018

21 S 29TH ST, BILLINGS, MT 59101(406) 651-6560 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2026, Sep 2, 2025, May 8, 2025 and 2 more (5 updates tracked since 2018).

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About Yellowstone City-county Health Department NPPES

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

YELLOWSTONE CITY-COUNTY HEALTH DEPARTMENT (NPI 1528575685), doing business as Riverstone Health Hch, is a healthcare organization registered as a federally qualified health center (fqhc) in Billings, Montana and active in the NPI registry since January 2018. The organization lists Shanna Zier, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1528575685

Entity TypeOrganization

Primary Taxonomy261QF0400X

Legal Business NameYELLOWSTONE CITY-COUNTY HEALTH DEPARTMENT

Location Address21 S 29TH STBillings, MT 59101-4024

Mailing Address2626 1st Ave SBillings, MT 59101-4228

Phone(406) 651-6560

Organization SubpartYesParent: Yellowstone City County Health Department

Authorized OfficialShanna ZierAuthorized Official · (406) 651-6471

Enumeration DateJanuary 10, 2018

Last NPPES UpdateAugust 12, 20265 updates tracked since enumeration

NPPES CertifiedAugust 12, 2026

✔ NPI 1528575685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities

Taxonomy Code261QF0400X

21 S 29TH ST, Billings, MT 59101

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Other Names 1

Doing Business AsRiverstone Health Hch

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and revalidation status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yellowstone City-county Health Department is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateMontanaEnrollment IDO20171019000749Part A · Federally Qualified Health Center (FQHC)Due dateDecember 31, 2026

Source: CMS Revalidation Due Date List, October 2026 release.

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 Yellowstone City-County Health Department's NPI number?

The NPI number for Yellowstone City-County Health Department is 1528575685. It was assigned to this organization in the NPPES registry on January 10, 2018. The provider is doing business as RiverStone Health HCH.

Where is Yellowstone City-County Health Department located?

Yellowstone City-County Health Department is located at 21 S 29th St, Billings, MT 59101. The listed phone number is (406) 651-6560.

What is Yellowstone City-County Health Department's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

Is Yellowstone City-County Health Department enrolled in Medicare?

Yes. Yellowstone City-County Health Department is registered in the Medicare PECOS enrollment system.

When is Yellowstone City-County Health Department's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Part A enrollment for this organization (Montana, Federally Qualified Health Center (FQHC)) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

What insurance does Yellowstone City-County Health Department accept?

Health plans from Blue Cross and Blue Shield of Montana list Yellowstone City-County Health Department as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Yellowstone City-County Health Department was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.