Katherine Williamson, D.O.
NPI 1134530546ActiveIndividual· Obstetrics & Gynecology· Cincinnati, OH
Obstetrics & Gynecology (D.O.) with Mercy Health Physicians Cincinnati Specialty Care LLC and 1 other group, practicing in Cincinnati, Ohio. In 2024 Medicare paid $3,119 for 29 patients, and Part D covered 87 of their prescriptions, 84% of them generic. Hologic Sales and Service, LLC reported $52.19 in payments in 2024, mostly food and beverage. Lists Christ Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1134530546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 20, 2014 |
| Last updated in NPPES | Jan 8, 2026 |
| Certified by provider | Jan 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 35C.003185 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (KY); Practitioner - Obstetrics/Gynecology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 59 across 15 procedure codes |
| Paid by Medicare | $3,119 |
Part D prescriptions in 2024
| Prescriptions (claims) | 87 · 125 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $4,216 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical groups
- Mercy Health Physicians Cincinnati Specialty Care LLCCincinnati, OH · 349 clinicians
- Christ Hospital Medical Specialists LLCCincinnati, OH · 125 clinicians
Hospital affiliations
- Christ HospitalCincinnati, OH
- Mercy Health - West HospitalCincinnati, OH
- Mercy Health-Anderson HospitalCincinnati, OH
Industry payments (Open Payments)
- 2024$52.19 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $52.19 | 1 |
What the 2024 payments were for
- Food and Beverage$52.19 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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