Ernest John Buck, M.D.
NPI 1861504987ActiveIndividual· Emergency Medicine· Fremont, OH
Emergency Medicine (M.D.) in Fremont, Ohio, trained at Loma Linda University School of Medicine (class of 1992). 521 Medicare patients in 2024, $76,613 paid; nearly all of their 563 Part D prescriptions were generic (95%).
Overview
| NPI | 1861504987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Feb 7, 2025 |
| Certified by provider | Feb 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 35066347 | OH |
| Emergency Medicine | 207P00000X | T1911 | TX |
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 - Emergency Medicine (IL); Practitioner - Emergency Medicine (MI); Practitioner - Emergency Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 521 |
|---|---|
| Services billed | 1,001 across 22 procedure codes |
| Paid by Medicare | $76,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 563 · 569 30-day fills |
|---|---|
| Patients | 275 |
| Total drug cost | $6,603 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Harvey Emergency Physicians PLLCCalumet City, IL · 49 clinicians
- Epmg Southwest Michigan PLLCSaint Joseph, MI · 45 clinicians
Hospital affiliations
- Ingalls Memorial HospitalHarvey, IL
- Lakeland Hospital, St JosephSt Joseph, MI
- Midland Memorial HospitalMidland, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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