YELLOWSTONE CITY-COUNTY HEALTH DEPT
NPI 1841219698
Clinic/Center - Federally Qualified Health Center (FQHC) in Billings, MT

Q: What is Yellowstone City-County Health Dept's NPI number?

The NPI number for Yellowstone City-County Health Dept is 1841219698. It was assigned to this organization in the NPPES registry on July 19, 2006. The provider is doing business as RiverStone Health.

Q: What is Yellowstone City-County Health Dept'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 July 19, 2006

123 S 27TH ST, BILLINGS, MT 59101(406) 247-3350(406) 247-3389 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 18, 2026, Jan 27, 2022, Oct 18, 2017 (3 updates tracked since 2017).

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About Yellowstone City-county Health Dept NPPES

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

YELLOWSTONE CITY-COUNTY HEALTH DEPT (NPI 1841219698), doing business as Riverstone Health, is a healthcare organization registered as a federally qualified health center (fqhc) in Billings, Montana and active in the NPI registry since July 2006. The organization lists Shanna Zier, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1841219698

Entity TypeOrganization

Primary Taxonomy261QF0400X

Legal Business NameYELLOWSTONE CITY-COUNTY HEALTH DEPT

Location Address123 S 27TH STBillings, MT 59101-4227

Mailing Address123 S 27th StBillings, MT 59101-4200 · (406) 247-3350

Phone(406) 247-3350

Fax(406) 247-3389

Organization SubpartNo

Authorized OfficialShanna ZierChief Financial Officer · (406) 247-3200

Enumeration DateJuly 19, 2006

Last NPPES UpdateMay 18, 20263 updates tracked since enumeration

NPPES CertifiedMay 18, 2026

✔ NPI 1841219698 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

123 S 27TH ST, Billings, MT 59101

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Other Names 1

Doing Business AsRiverstone Health

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Other Providers at the Same Location NPPES 20

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

KARMEN HAMMERMEISTER RN

Registered Nurse