Kathryn M. Ziegler, MD
NPI 1174781280ActiveIndividual· Surgery· Berkley, MI
Surgery (MD) with Royal Oak Surgical Associates PC, practicing in Berkley, Michigan. Mostly services rather than prescriptions: Medicare paid $29,759 for 58 patients in 2024, with only 47 Part D claims. Intuitive Surgical, Inc. was the largest of 3 companies reporting payments in 2025, $4,735 in all, mostly education. Lists Beaumont Hospital - Farmington Hills and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1174781280 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 26, 2008 |
| Last updated in NPPES | Sep 26, 2025 |
| Certified by provider | Sep 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 4301106336 | MI |
| Surgery | 208600000X | 11013233A | IN |
| Surgery | 208600000X | 01066991A | IN |
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 - General Surgery (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 58 |
|---|---|
| Services billed | 124 across 27 procedure codes |
| Paid by Medicare | $29,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 47 · 77 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $1,574 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Royal Oak Surgical Associates PCRoyal Oak, MI · 4 clinicians
Hospital affiliations
- Beaumont Hospital - Farmington HillsFarmington Hills, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
Industry payments (Open Payments)
- 2025$4,735 · 6 payments from 3 companies
- 2024$60.93 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $4,574 | 4 |
| Solventum Corporation | $92.51 | 1 |
| Hologic Sales and Service, LLC | $68.51 | 1 |
What the 2025 payments were for
- Education$4,300 · 2 payments
- Travel and Lodging$273.93 · 2 payments
- Food and Beverage$161.02 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery providers in Berkley
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