KATHERINE WILLIAMSON (D.O.) – Obstetrics & Gynecology Physician, NPI 1134530546
Obstetrics & Gynecology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,818 OBSTETRICS/GYNECOLOGY in OH
Provider Addresses for KATHERINE WILLIAMSON (D.O.)
796 OLD STATE ROUTE 74 STE 200
CINCINNATI, OH 452451262
Phone: (513) 564-2700
Fax: (513) 297-4469
Type: Mailing
796 OLD STATE ROUTE 74
CINCINNATI, OH 452451262
Phone: (513) 564-2700
Fax: (513) 297-4469
Type: Location
3927 PRIMROSE PLACE
PADUCAH, KY 42001
Phone: (270) 210-2942
Type: Mailing
8000 5 MILE RD
CINCINNATI, OH 452302163
Phone: (513) 559-7175
Fax: (513) 559-7194
Type: Mailing
525 Alexandria Pike Ste 2300
Southgate, KY 410713290
Phone: (513) 564-2700
Fax: (513) 297-4469
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $117.
Total Amount is formed as General ($117) + Research ($0) + Ownership ($0) = $117.
Last reported payment date: 2024-05-16 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($52).
Total Amount
$117
General + Research + Ownership
Payments
5
Total payment records
General Amount
$117
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $52 |
| Sumitomo Pharma America, Inc. | $28 |
| Agile Therapeutics, Inc. | $23 |
| Novo Nordisk Inc | $14 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-04-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20180710003613 | I | Obstetrics/Gynecology | KY | TBD |
| I20230414001769 | I | Obstetrics/Gynecology | OH | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 21 | 19 | $0 |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 15 | 15 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 45245)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Physician Assistant | MD | |
| Qualified Audiologist | OH | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OH | |
| U R O L O G Y | OH | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OH | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OH | |
| Qualified Audiologist | OH | |
| Nurse Practitioner | OH | |
| H E M A T O L O G Y/ O N C O L O G Y | KY |
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