John Michael Williamson, DNP, FNP-C, ARM-BC

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

R853568 Issued in MS

Practice address

1503 Highway 45 N
Columbus, MS 39705-2113

Phone

(662) 328-9623

Fax

(662) 327-7477

NPI assigned

Jan 30, 2008

Last updated

Jan 14, 2026By 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MS

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Golden Triangle Urgent Care LLCGroup PAC ID 7315197498, 14 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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.

• Golden Triangle Urgent Care LLC

  • Rural Health Clinic/Center
  • Starkville, MS
  • NPI 1346592045

  Family

  Medicare reassignment Care Compare group NPD
• Golden Triangle Urgent Care LLC

  • Rural Health Clinic/Center
  • West Point, MS
  • NPI 1104559806

  Family

  NPD

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

{
    "created_epoch": "1201651200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1336326560",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1503 HIGHWAY 45 N",
            "city": "COLUMBUS",
            "state": "MS",
            "postal_code": "397052113",
            "telephone_number": "662-328-9623",
            "fax_number": "662-327-7477"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1503 HIGHWAY 45 N",
            "city": "COLUMBUS",
            "state": "MS",
            "postal_code": "397052113",
            "telephone_number": "662-328-9623",
            "fax_number": "662-327-7477"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1154 Cross Creek Dr",
            "address_purpose": "LOCATION",
            "city": "Saltillo",
            "state": "MS",
            "postal_code": "388665777",
            "country_code": "US",
            "telephone_number": "662-840-8010",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "DNP, FNP-C, ARM-BC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-01-30",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "AC003026",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MS",
            "license": "R853568",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joshua Caleb Williams
• Keturah Santier Williams
• Lashander Williams
• Matthew Duane Williams, MD
• Stephen Williams, CRNA
• Ellen Bell Wilson, APRN, FNP-C
• Kala White Wilson, CFNP
• Tyrone Wilson
• Katherine Curtis Windham
• Windsor Place Nursing Center Inc

• Family Nurse Practitioner in Columbus, MS
• Providers in Columbus, MS by specialty
• Family Nurse Practitioner in Mississippi

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2026; 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.