John Matt Griswold, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

4059 Issued in OK

Practice address

702 S Utica Ave
Tulsa, OK 74104-3213

Phone

(918) 212-8688

Fax

(866) 352-5122

NPI assigned

Feb 28, 2012

Last updated

Oct 22, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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 OK

Enrollment records 1

Specialty

Chiropractic

Education

Life Chiropractic College, 2011

Medicare assignment

May accept Medicare assignment

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.

• 918 Chiropractic Owasso LLC

  • Chiropractor
  • Owasso, OK
  • NPI 1891492476
  Medicare reassignment NPD Authorized official
• 918 Chiropractic

  • Orthopedic Chiropractor
  • Tulsa, OK
  • NPI 1386396612
  NPD Authorized official
• 918 Chiropractic South

  • Chiropractor
  • Jenks, OK
  • NPI 1023606720
  NPD Authorized official

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

{
    "created_epoch": "1330387200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1407120199",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "702 S UTICA AVE",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741043213",
            "telephone_number": "918-212-8688",
            "fax_number": "866-352-5122"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "702 S UTICA AVE",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741043213",
            "telephone_number": "918-212-8688",
            "fax_number": "866-352-5122"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRISWOLD",
        "first_name": "JOHN",
        "middle_name": "MATT",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-02-28",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "OK",
            "license": "4059",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lacey Erin Grinnell, M.S.
• Robin Arlene Gripado, APRN-CNP
• Holly Grissen, BSE
• Amy Jo Grisso
• Anna J Grissom, CPHT
• Jennifer Grizzle
• Maureen E Grizzle, LMFT
• David Clay Groat, RN
• Kelly Andrea Grober, PHARM.D.
• Amanda Michelle Groden, DO

• Chiropractor in Tulsa, OK
• Providers in Tulsa, OK by specialty
• Chiropractor in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 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.