Individual provider Active NPI

John Thomas Grab IV, DO

  • Student in an Organized Health Care Education/Training Program
  • Oklahoma City, OK
National Provider Identifier
1760187546
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X
License
0626R Issued in OK
Practice address
535 NW 9TH St Ste 330
Oklahoma City, OK 73102-1012
Phone
(405) 231-3919
NPI assigned
Apr 3, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 0626R OK Primary

Addresses

Primary practice location

535 NW 9TH St Ste 330
Oklahoma City, OK 73102-1012

Mailing address

608 NW 9TH St Ste 3206
Oklahoma City, OK 73102-1049
Phone (405) 231-3919

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
0626ROKMDObstetrics & Gynecology Physician

Interoperability endpoints

  • Direct secure messaging: jgrab437277@direct-ehr-ssmhc.com

NPI Registry JSON

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

{
    "created_epoch": "1680480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1760187546",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "608 NW 9TH ST STE 3206",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731021049",
            "telephone_number": "405-231-3919",
            "fax_number": "405-772-4484"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "535 NW 9TH ST STE 330",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731021012",
            "telephone_number": "405-231-3919"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRAB",
        "first_name": "JOHN",
        "middle_name": "THOMAS",
        "name_prefix": "Dr.",
        "name_suffix": "IV",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-03",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "OK",
            "license": "0626R",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oklahoma City, OK

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.