Mary E. Chellis, M.D.
NPI 1255422440ActiveIndividual· Emergency Medicine· Dayton, OH
Emergency Medicine (M.D.) in Dayton, Ohio, trained at Wright State University Boonshoft School of Medicine (class of 1992). 187 Medicare patients in 2024, $24,625 paid; nearly all of their 91 Part D prescriptions were generic (91%).
Overview
| NPI | 1255422440 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 27, 2006 |
| Last updated in NPPES | Jan 30, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 35-065319 | 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 | 187 |
|---|---|
| Services billed | 202 across 14 procedure codes |
| Paid by Medicare | $24,625 |
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 96 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $772.15 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Wright State University Boonshoft School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Emergency Medicine |
Medical group
- Phs Emergency Billing LLCMiddletown, OH · 75 clinicians
Hospital affiliation
- Miami Valley HospitalDayton, OH
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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All 131 emergency medicine physicians in Dayton · All emergency medicine physicians in Ohio