Katherine Williamson, D.O.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

35C.003185 Issued in OH

Practice address

796 Old State Route 74
Cincinnati, OH 45245-1262

Phone

(513) 564-2700

Fax

(513) 297-4469

NPI assigned

May 20, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in KY, OH2 enrollments

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 2

Specialty

Obstetrics/Gynecology

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Health Physicians Cincinnati Specialty Care LLCGroup PAC ID 3971907759, 343 clinicians

Christ Hospital Medical Specialists LLCGroup PAC ID 6507998432, 127 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Health-Anderson Hospital Hospital, Cincinnati, OH, CCN 360001
• Christ Hospital Hospital, Cincinnati, OH, CCN 360163
• Mercy Health - West Hospital Hospital, Cincinnati, OH, CCN 360234

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kwilliamson1814397@direct.bsmhealth.org

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.

• Christ Hospital Medical Specialists LLC

  • Urology Physician
  • Cincinnati, OH
  • NPI 1124341649

  KY, Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Mercy Health Physicians Cincinnati Specialty Care LLC

  • Surgery Physician
  • Blue Ash, OH
  • NPI 1154942795
  Medicare reassignment Care Compare group NPD
• Mercy Health Physicians Cincinnati Specialty Care LLC

  • Durable Medical Equipment & Medical Supplies
  • Liberty TWP, OH
  • NPI 1730993270
  NPD
• Mercy Health - Anderson Hospital LLC

  • General Acute Care Hospital
  • Cincinnati, OH
  • NPI 1235239211
  NPD (past)

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

• Christ Hospital

  • General Acute Care Hospital
  • Cincinnati, OH
  • NPI 1780633289
  Care Compare affiliation
• Mercy Health - Anderson Hospital LLC

  • General Acute Care Hospital
  • Cincinnati, OH
  • NPI 1235239211
  Care Compare affiliation
• Mercy Health - West Hospital LLC

  • General Acute Care Hospital
  • Cincinnati, OH
  • NPI 1912007931
  Care Compare affiliation
• Mercy Health - West Hospital LLC

  • Clinical Medical Laboratory
  • Cincinnati, OH
  • NPI 1982728036

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1400544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767830400000",
    "number": "1134530546",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "796 OLD STATE ROUTE 74 STE 200",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452451262",
            "telephone_number": "513-564-2700",
            "fax_number": "513-297-4469"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "796 OLD STATE ROUTE 74",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452451262",
            "telephone_number": "513-564-2700",
            "fax_number": "513-297-4469"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "525 Alexandria Pike Ste 2300",
            "address_purpose": "LOCATION",
            "city": "Southgate",
            "state": "KY",
            "postal_code": "410713290",
            "country_code": "US",
            "telephone_number": "513-564-2700",
            "fax_number": "513-297-4469",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "KATHERINE",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-05-20",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "OH",
            "license": "35C.003185",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kwilliamson74326@bhkydirect.com",
            "affiliation": "N",
            "address_1": "2605 Kentucky Ave Ste 301",
            "city": "Paducah",
            "state": "KY",
            "country_code": "US",
            "postal_code": "420033802",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Zhane Christine Marie Williams
• Bridgette Williamson
• Caitlin Brooke Williamson, DNP, APRN, FNP-BC
• Danielle Williamson, LISW, CTP
• Gretchen Williamson, M.D.
• Lydia Williamson, APRN, CNP-PMH
• Paul Christopher Williamson
• Sharon Williamson, BA
• Terra Williamson, MSN, FNP-BC
• Trista Williamson

• Obstetrics & Gynecology Physician in Cincinnati, OH
• Providers in Cincinnati, OH by specialty
• Obstetrics & Gynecology Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 8, 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.