John M Williamson, PMHNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

APRN.CNP.025091 Issued in OH

Practice address

5011 Pine Creek Dr
Westerville, OH 43081-4849

Phone

(614) 948-3273

Fax

(855) 740-2025

NPI assigned

May 22, 2019

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 OH

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, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Serenity Behavioral Health Services, Inc.Group PAC ID 6002164845, 15 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner

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 and National Provider Directory roles.

• Serenity Behavioral Health Services, Inc.

  • Community/Behavioral Health Agency
  • Westerville, OH
  • NPI 1952729477
  Medicare reassignment Care Compare group NPD
• Lighthouse Behavioral Health Solutions, LLC

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Columbus, OH
  • NPI 1629560230
  Medicare reassignment NPD
• Ohio State University

  • Addiction Medicine (Psychiatry & Neurology) Physician
  • Columbus, OH
  • NPI 1801854724
  Medicare reassignment NPD
• Osu Observation Medicine, LLC

  • Anesthesiology Physician
  • Columbus, OH
  • NPI 1407095052
  NPD (past)

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

{
    "created_epoch": "1558483200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1740847946",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5011 PINE CREEK DR",
            "city": "WESTERVILLE",
            "state": "OH",
            "postal_code": "430814849",
            "telephone_number": "614-948-3273",
            "fax_number": "855-740-2025"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5011 PINE CREEK DR",
            "city": "WESTERVILLE",
            "state": "OH",
            "postal_code": "430814849",
            "telephone_number": "614-948-3273",
            "fax_number": "855-740-2025"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "JOHN",
        "middle_name": "M",
        "credential": "PMHNP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-05-22",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "OH",
            "license": "APRN.CNP.025091",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lakesha Williams
• Michaela Lauren Williams
• Payton Olivia Williams
• Shauna Williams, CNP
• Tara N Williams
• Kendra Williamson, BCBA
• Kristyn A Williamson, MA, BCBA
• Mary J Williamson, LPN
• Kevin Willis
• Anna Willison, RBT

• Psychiatric/Mental Health Nurse Practitioner in Westerville, OH
• Providers in Westerville, OH by specialty
• Psychiatric/Mental Health Nurse Practitioner in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 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.