John Henry Marsh

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

10026 Issued in MT

Practice address

114 W Main St
Manhattan, MT 59741-2207

Phone

(406) 284-3246

Fax

(406) 284-3245

NPI assigned

Jul 18, 2025

Last updated

Oct 29, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MT

Enrollment records 1

Specialty

Chiropractic

Education

Northwestern College of Chiropractic, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Manhattan Back and Neck IncGroup PAC ID 4385805043, 2 clinicians

Big Sky Chiropractic Clinic PCGroup PAC ID 5395826390, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Big Sky Chiropractic Clinic PC

  • Chiropractor
  • Bozeman, MT
  • NPI 1427125251
  Medicare reassignment Care Compare group NPD
• Manhattan Back & Neck Inc

  • Chiropractor
  • Manhattan, MT
  • NPI 1114095502
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1752796800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1588556013",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 855",
            "city": "MANHATTAN",
            "state": "MT",
            "postal_code": "597410855",
            "telephone_number": "406-284-3246"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "114 W MAIN ST",
            "city": "MANHATTAN",
            "state": "MT",
            "postal_code": "597412207",
            "telephone_number": "406-284-3246",
            "fax_number": "406-284-3245"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARSH",
        "first_name": "JOHN",
        "middle_name": "HENRY",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-07-18",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "MT",
            "license": "10026",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP NPI",
            "identifier": "1114095502",
            "state": "MT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sheryl Kim Jones, M.A., CCC-SLP
• Journey Forward Counseling LLC
• Rebecca Lynn Kronske, MS
• Manhattan Back & Neck Inc
• Manhattan Medical Services
• Maximum Medical Improvement
• Lindsay Ann Menard, M.A.
• Michael Cory Mestas, M.S. PCLC, NCC
• Kristen Alicia Orelup, PA-C
• Parkhaven Group, Inc.

• Chiropractor in Manhattan, MT
• Providers in Manhattan, MT by specialty
• Chiropractor in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.