John Gary Grow, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

397 Issued in MT

Practice address

20 13TH St W
Havre, MT 59501-5215

Phone

(406) 265-7831

NPI assigned

Jul 7, 2008

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

Medicare fee-for-service enrollment

Enrolled in MT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northern Montana HospitalGroup PAC ID 2264343912, 44 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northern Montana Hospital Hospital, Havre, MT, CCN 271348

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

All facility ownership & control disclosures 1

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

Owned or controlled facilities with NPI records 1

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

• Northern Montana Hospital

  • Community Based Hospice Care Agency
  • Havre, MT
  • NPI 1952374183

  Corporate Director

  CMS ownership

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

• Northern Montana Hospital

  • Critical Access Hospital
  • Havre, MT
  • NPI 1427059070

  MT

  Medicare reassignment Care Compare group NPD
• Northern Montana Hospital

  • Critical Access Hospital
  • Havre, MT
  • NPI 1578536355
  NPD
• Northern Montana Hospital

  • Rural Health Clinic/Center
  • Havre, MT
  • NPI 1669445490
  NPD
• Northern Montana Hospital

  • Clinic/Center
  • Havre, MT
  • NPI 1669447967
  NPD
• Autumn Healthcare of Illinois

  • Mental Health Counselor
  • Chicago, IL
  • NPI 1679628705
  NPD (past)
• Oak Forest Psychological Service

  • Clinical Psychologist
  • Countryside, IL
  • NPI 1265487060

  Clinical

  NPD (past)
• Self Empowerment Center, P.C.

  • Adult Mental Health Clinic/Center
  • Wheaton, IL
  • NPI 1134301815
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Northern Montana Hospital

  • Critical Access Hospital
  • Havre, MT
  • NPI 1427059070

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1215388800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1992968366",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1231",
            "city": "HAVRE",
            "state": "MT",
            "postal_code": "595011231",
            "telephone_number": "406-265-7831"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 13TH ST W",
            "city": "HAVRE",
            "state": "MT",
            "postal_code": "595015215",
            "telephone_number": "406-265-7831"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROW",
        "first_name": "JOHN",
        "middle_name": "GARY",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-07-07",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MT",
            "license": "397",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Donald Joshua Gibson, D.C.
• Hugo Michael Gibson, D.C.
• Karen A Gibson, MS CCC/SLP
• Shalee Nicole Gingery, PHARMD, RPH
• Patricia Greene Hall, PH.D.
• Angelique Marie Haas, LCSW
• Sabrina L Hamilton, PA-C
• Terence Hankins, D.O.
• Jaimee N. Hansen, RD
• Terry A Hanson, MED, LCPC

• All providers in Havre, MT
• Clinical Psychologist in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
• 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.