Quick answers
- Which hospitals does Katherine Williamson work at?
- Medicare's official clinician data lists Katherine Williamson at 3 hospitals: Christ Hospital, Mercy Health - West Hospital and Mercy Health-Anderson Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katherine Williamson see patients?
- Medicare's clinician data lists 4 practice locations, including Milford, OH, Cincinnati, OH and Southgate, KY. Call before your visit to confirm the address.
- What is Katherine Williamson's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Katherine Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine Williamson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Katherine Williamson?
- (513) 624-2070, as listed in official Medicare / NPI Registry data.
- What is Katherine Williamson's NPI number?
- 1134530546. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katherine Williamson works
Medicare's Facility Affiliation Data lists Katherine Williamson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Christ HospitalCincinnati, OH · Acute Care Hospital · CCN 360163
- Mercy Health - West HospitalCincinnati, OH · Acute Care Hospital · CCN 360234
- Mercy Health-Anderson HospitalCincinnati, OH · Acute Care Hospital · CCN 360001
Practice locations
Addresses where Katherine Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 Old Bank Rd, Suite 103Milford, OH 45150 (513) 624‑2070
- 2139 Auburn AveCincinnati, OH 45219 (513) 585‑2323
- 525 Alexandria Pike, Suite 2300Southgate, KY 41071 (513) 564‑2700
- 7502 State Rd, Suite 2210aCincinnati, OH 45255 (513) 751‑4222
Group practices
Medicare enrollment lists Katherine Williamson as a member of these groups (CMS data updated 2026-10-02).
- Mercy Health Physicians Cincinnati Specialty Care LLC349 clinicians in the group
- Christ Hospital Medical Specialists LLC125 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134530546 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians