Michael Emanuel Grillis, DO
NPI 1508974494ActiveIndividual· Surgery· Fremont, OH
Surgery (DO) in Fremont, Ohio, trained at West Virginia School of Osteopathic Medicine (class of 1977). 308 Medicare patients in 2024, $85,823 paid; nearly all of their 182 Part D prescriptions were generic (96%). Intuitive Surgical, Inc. reported $125.95 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1508974494 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 29, 2006 |
| Last updated in NPPES | Jul 28, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 34004664 | 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 - General Surgery (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 308 |
|---|---|
| Services billed | 589 across 84 procedure codes |
| Paid by Medicare | $85,823 |
Part D prescriptions in 2024
| Prescriptions (claims) | 182 · 196 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $1,782 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | West Virginia School of Osteopathic Medicine |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | General Surgery |
Medical group
- Memorial Professional Services LtdFremont, OH · 40 clinicians
Hospital affiliations
- Bellevue HospitalBellevue, OH
- Memorial HospitalFremont, OH
- Promedica Toledo HospitalToledo, OH
Industry payments (Open Payments)
- 2025$125.95 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $125.95 | 1 |
What the 2025 payments were for
- Food and Beverage$125.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general surgeons in Fremont
- 1033423462
- 1811174790
- 1831187087