Warren K. Yamarick, MD
NPI 1437186301ActiveIndividual· Emergency Medicine· Columbus, OH
Emergency Medicine (MD) in Columbus, Ohio, trained at Ohio State University College of Medicine (class of 1984). Mostly services rather than prescriptions: Medicare paid $21,378 for 171 patients in 2024, with only 20 Part D claims. E.R. Squibb & Sons, L.L.C. reported $19.21 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1437186301 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 27, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 0641050 | 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 - Emergency Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 177 across 7 procedure codes |
| Paid by Medicare | $21,378 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20 · 20 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $291.65 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Emergency Medicine |
Medical group
- Mid-Ohio Emergency Services, LLCColumbus, OH · 87 clinicians
Hospital affiliation
- Riverside Methodist HospitalColumbus, OH
Industry payments (Open Payments)
- 2025$19.21 · 1 payment from 1 company
- 2024$109.92 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $19.21 | 1 |
What the 2025 payments were for
- Food and Beverage$19.21 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 444 emergency medicine physicians in Columbus · All emergency medicine physicians in Ohio