CATHERINE KERR WINSLOW (MD) – Obstetrics & Gynecology Physician, NPI 1003865205
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,734 OBSTETRICS/GYNECOLOGY in MI
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Provider Addresses for CATHERINE KERR WINSLOW (MD)
818, West King Street, Owosso, Shiawassee County, Michigan, 48867, United States
SUITE 300
OWOSSO, MI 488672116
Phone: (989) 729-4300
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2004-06-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20040622001524 | I | Obstetrics/Gynecology | MI | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 25 | 22 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 22 | 19 | $0 |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 11 | 11 | $0 |
Insurance plans in this area (ZIP 48867)
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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 | MI | |
| Critical Care (Intensivists) | MI | |
| Nurse Practitioner | MI | |
| Clinical Social Worker | MI | |
| Nurse Practitioner | MI | |
| Nurse Practitioner | MI | |
| P S Y C H I A T R Y | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Physician Assistant | MI | |
| Physician Assistant | MI |
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