Mark Darnell, MD
NPI 1902891088ActiveIndividual· Emergency Medicine· Lancaster, OH
Emergency Medicine (MD) in Lancaster, Ohio, trained at West Virginia University School of Medicine (class of 1987). 128 Medicare patients in 2024, $13,403 paid; nearly all of their 68 Part D prescriptions were generic (91%). Inari Medical, Inc. was the largest of 2 companies reporting payments in 2024, $33.52 in all, mostly food and beverage.
Overview
| NPI | 1902891088 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 15, 2005 |
| Last updated in NPPES | Jun 3, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 35057532D | 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 | 128 |
|---|---|
| Services billed | 189 across 6 procedure codes |
| Paid by Medicare | $13,403 |
Part D prescriptions in 2024
| Prescriptions (claims) | 68 · 72 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $5,561 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | West Virginia University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Emergency Medicine |
Medical group
- Emergency Medicine Physicians of Lancaster LtdLancaster, OH · 7 clinicians
Hospital affiliation
- Fairfield Medical CenterLancaster, OH
Industry payments (Open Payments)
- 2024$33.52 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Inari Medical, Inc. | $18.99 | 1 |
| Chiesi USA, Inc. | $14.53 | 1 |
What the 2024 payments were for
- Food and Beverage$33.52 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 emergency medicine physicians in Lancaster · All emergency medicine physicians in Ohio