NPIMap

Organization Active NPI

Yellowstone City County Health Department

  • Federally Qualified Health Center (FQHC)
  • Worden, MT
National Provider Identifier
1902195027
Registry record updated Aug 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Federally Qualified Health Center (FQHC)Taxonomy code 261QF0400X
Legal business name
YELLOWSTONE CITY COUNTY HEALTH DEPARTMENT
Practice address
2469 Main St
Worden, MT 59088-2227
Phone
(406) 967-2255
Fax
(406) 247-3389
NPI assigned
Mar 29, 2011
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Shanna Zier
Title
Authorized Official
Phone
(406) 651-6471

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Federally Qualified Health Center (FQHC) 261QF0400X Primary

Addresses

Primary practice location

2469 Main St
Worden, MT 59088-2227

Mailing address

2626 1St Ave S
Billings, MT 59101-4228
Phone (406) 247-3200

Other identifiers 2

IdentifierTypeStateIssuer
000080527OtherMTMEDICARE PART B PROVIDER
261QF0400XMedicaidMT

Other names 1

  • RiverStone Health Worden Clinic Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20071127000125 MT Part A Provider - Federally Qualified Health Center (FQHC) 1456259159 Practice locations: Worden, MT

Federally qualified health center certification: CCN 271832

Legal name
YELLOWSTONE CITY-COUNTY HEALTH DEPT
Doing business as
RIVERSTONE HEALTH WORDEN CLINIC
Certification status
Active
Provider type (POS)
Federally qualified health center
Participating since
Dec 14, 2007
Last certification
Dec 14, 2007
Ownership / control type
Non-profit – corporation
Organization structure
GovernmentNon-profit
Enrollment address
2469 Main St
Worden, MT 59088-2227
Related CCNs
271801

Facilities connected through Provider of Services related, parent or unit certification numbers.

Other NPIs with the same Medicare PAC ID 8

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

National Provider Directory

National Provider Directory
Tax ID family
Deering Community Healt16 organizations share this tax ID, including this one

Other organizations with this tax ID 15

Organizations that report the same tax identification number in the National Provider Directory.

View all 15

Locations

123 S 27th St
Billings, MT 59101
Phone (406) 247-3200

Ownership & related parties

All disclosed owners & managing parties 5

As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.

NameRoleSinceShare
Yellowstone City-County Health Dept Organization, Billings, ND Non-profit 5% Or Greater Direct Ownership Interest Jan 1, 1974 100%
John F Felton Individual Corporate OfficerPresident and Ceo/Health Officer May 24, 2004
Shelli K Ritz Individual Corporate OfficerExecutive Vice President and Cfo May 19, 2008
Nancy a Taylor Individual W-2 Managing EmployeeVice President of Clinical Opera May 13, 2002
Megan B Littlefield Individual W-2 Managing EmployeeMedical Director Sep 6, 2011

Owners & managing parties with NPI records 9

Owners and managing parties disclosed on this facility’s Medicare enrollment that are themselves Medicare-enrolled.

All facility ownership & control disclosures 6

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Riverstone HealthBillings, MT, CCN 277012 Home health agency 5% Or Greater Direct Ownership Interest (100%) Jan 1, 1974
Riverstone HealthBillings, MT, CCN 271502 Hospice 5% Or Greater Direct Ownership Interest (100%) Jan 1, 1998
Riverstone Health Joliet ClinicJoliet, MT, CCN 271833 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Jan 1, 1974
Riverstone Health Bridger ClinicBridger, MT, CCN 271834 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Jan 1, 1974
Riverstone Health ClinicBillings, MT, CCN 271801 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Jan 1, 1974
Riverstone Health HCHBillings, MT, CCN 271863 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Jan 1, 1974

Owned or controlled facilities with NPI records 6

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Facilities with the same owner 6

Facilities that share an organizational owner with 5% or greater ownership or operational control.

Practitioners & affiliated clinicians

Practitioners 53

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 53

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1301356800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786579200000",
    "number": "1902195027",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2626 1ST AVE S",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591014228",
            "telephone_number": "406-247-3200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2469 MAIN ST",
            "city": "WORDEN",
            "state": "MT",
            "postal_code": "590882227",
            "telephone_number": "406-967-2255",
            "fax_number": "406-247-3389"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "YELLOWSTONE CITY COUNTY HEALTH DEPARTMENT",
        "organizational_subpart": "NO",
        "enumeration_date": "2011-03-29",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A",
        "authorized_official_last_name": "ZIER",
        "authorized_official_first_name": "SHANNA",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "406-651-6471"
    },
    "taxonomies": [
        {
            "code": "261QF0400X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Federally Qualified Health Center (FQHC)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PART B PROVIDER",
            "identifier": "000080527",
            "state": "MT"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "261QF0400X",
            "state": "MT"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "RiverStone Health Worden Clinic",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "RiverStone Health Worden Clinic",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Worden, MT

Sources for this page

Verify at the official NPI Registry.