John Dale Grizzle II, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20170 Issued in OK

Practice address

15800 S Western Ave
Oklahoma City, OK 73170-9393

Phone

(405) 793-1300

Fax

(405) 805-6611

NPI assigned

Apr 18, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 6

Medicare fee-for-service enrollment

Enrolled in OK

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family PracticeAlso: Addiction Medicine

Education

Other, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Select Home Health Home health agency, Oklahoma City, OK, CCN 377720

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jgrizzle995@directa.mercy.net

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.

• Consulting Medical, PLLC

  • Family Medicine Physician
  • Oklahoma City, OK
  • NPI 1184269706
  Medicare reassignment NPD Authorized official
• Mercy Hospital Kingfisher, Inc

  • Diagnostic Radiology Physician
  • Kingfisher, OK
  • NPI 1285064618
  Medicare reassignment NPD
• Mercy Hospital Logan County Inc

  • Critical Access Hospital
  • Guthrie, OK
  • NPI 1306126818
  Medicare reassignment NPD
• Oklahoma Emergency Physician Partners PLLC

  • Emergency Medicine Physician
  • Durant, OK
  • NPI 1891039764
  NPD
• Summit Medical Center

  • General Acute Care Hospital
  • Edmond, OK
  • NPI 1356574560
  NPD (past)

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

• Select Medical Care Inc.

  • Home Health Agency
  • Oklahoma City, OK
  • NPI 1174651558
  Care Compare affiliation

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

{
    "created_epoch": "1145318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760486400000",
    "number": "1255396073",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15800 S WESTERN AVE",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731709393",
            "telephone_number": "405-793-1300",
            "fax_number": "405-805-6611"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15800 S WESTERN AVE",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731709393",
            "telephone_number": "405-793-1300",
            "fax_number": "405-805-6611"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIZZLE",
        "first_name": "JOHN",
        "middle_name": "DALE",
        "name_suffix": "II",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-18",
        "last_updated": "2025-10-15",
        "certification_date": "2025-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OK",
            "license": "20170",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OK",
            "license": "20170",
            "primary": false
        },
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "OK",
            "license": "20170",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PREMIERE",
            "identifier": "731381689GRI",
            "state": "OK"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD",
            "identifier": "080136148",
            "state": "OK"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100113130C",
            "state": "OK"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE ID",
            "identifier": "244431002",
            "state": "OK"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "20170",
            "state": "OK"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OBNDD",
            "identifier": "25263",
            "state": "OK"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sasha S Grimmett, R-CEP
• Bradley David Grinage, M.D.
• Alisha Grisby
• Alden Dub Grisham
• Ryan Tyler Griswold, DO
• Timothy L Grode, MD
• Brittanie Jeane Groesbeck, L.C.S.W
• Shilo Groff
• Katie Grogan
• Bailey Grogg

• Family Medicine Physician in Oklahoma City, OK
• Providers in Oklahoma City, OK by specialty
• Family Medicine Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; 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.