Mark D. Romer, MD
NPI 1023058427ActiveIndividual· Internal Medicine, Hematology & Oncology· Dayton, OH
Internal Medicine, Hematology & Oncology (MD) in Dayton, Ohio, trained at University of Cincinnati College of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $7,821,303 for 1,898 claims, against $3,027,881 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 45 companies reporting payments in 2025, $2,754 in all, mostly food and beverage.
Overview
| NPI | 1023058427 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Jan 7, 2022 |
| Certified by provider | Jan 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 35055583 | OH |
| Internal Medicine, Medical Oncology | 207RX0202X | 35.055583 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 629 |
|---|---|
| Services billed | 142,864 across 140 procedure codes |
| Paid by Medicare | $3,027,881 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,898 · 2,622 30-day fills |
|---|---|
| Patients | 281 |
| Total drug cost | $7,821,303 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Hematology/Oncology |
Medical group
- Dayton Physicians LLCKettering, OH · 41 clinicians
Hospital affiliations
- Kettering Health DaytonDayton, OH
- Kettering Health Main CampusKettering, OH
- Miami Valley HospitalDayton, OH
Industry payments (Open Payments)
- 2025$2,754 · 138 payments from 45 companies
- 2024$3,105 · 168 payments from 49 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $292.18 | 20 |
| Astrazeneca Pharmaceuticals LP | $212.26 | 11 |
| Merck Sharp & Dohme LLC | $182.16 | 8 |
| Pfizer Inc. | $142.82 | 8 |
| Lilly USA, LLC | $117.48 | 6 |
What the 2025 payments were for
- Food and Beverage$2,731 · 137 payments
- Education$23.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Dayton
- 1356622054
- 1902844947
- 1518156983
- 1649261470
- 1508471376
- 1730134933
- 1649281080
- 1760724017
- 1023057148
- 1164478772
- 1215927520
- 1447205638
All Internal Medicine, Hematology & Oncology providers in Ohio →