Samuel Z. Gregor, CRNA
NPI 1851642136ActiveIndividual· Nurse Anesthetist, Certified Registered· Saint Joseph, MI
Nurse Anesthetist, Certified Registered (CRNA) with Lakeland Hospitals at Niles and St Joseph Inc, practicing in Saint Joseph, Michigan. Medicare paid $25,117 for services to 151 patients in 2024. Merck Sharp & Dohme LLC reported $17.55 in payments in 2025, mostly food and beverage. Lists Lakeland Hospital, St Joseph as a hospital affiliation.
Overview
| NPI | 1851642136 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Sep 26, 2012 |
| Last updated in NPPES | Aug 15, 2023 |
| Certified by provider | Aug 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 4704294067 | MI |
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 - Certified Registered Nurse Anesthetist (CRNA) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 151 |
|---|---|
| Services billed | 158 across 48 procedure codes |
| Paid by Medicare | $25,117 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Lakeland Hospitals at Niles and St Joseph IncSaint Joseph, MI · 131 clinicians
Hospital affiliation
- Lakeland Hospital, St JosephSt Joseph, MI
Industry payments (Open Payments)
- 2025$17.55 · 1 payment from 1 company
- 2024$65.35 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $17.55 | 1 |
What the 2025 payments were for
- Food and Beverage$17.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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