Mark C. Zeller, DO
NPI 1396925186ActiveIndividual· Internal Medicine· Riverside, RI
Internal Medicine (DO) in Riverside, Rhode Island, trained at Kansas City University of Med & Biosciences, College of Osteo Med (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $331,159 for 3,830 claims, against $102.49 paid for services in 2024. Grifols USA, LLC reported $26.04 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1396925186 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Nov 8, 2007 |
| Last updated in NPPES | Mar 3, 2026 |
| Certified by provider | Mar 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | DO01506 | RI |
| Internal Medicine | 207R00000X | N0575 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 13 across 7 procedure codes |
| Paid by Medicare | $102.49 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,830 · 5,781 30-day fills |
|---|---|
| Patients | 314 |
| Total drug cost | $331,159 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Kansas City University of Med & Biosciences, College of Osteo Med |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Internal Medicine |
Medical group
- East Bay Community Action ProgramRiverside, RI · 36 clinicians
Industry payments (Open Payments)
- 2024$26.04 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Grifols USA, LLC | $26.04 | 1 |
What the 2024 payments were for
- Food and Beverage$26.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 internal medicine physicians in Riverside · All internal medicine physicians in Rhode Island