Gregory Marcos Bell, M.D.
NPI 1083689939ActiveIndividual· Internal Medicine, Rheumatology· Columbus, OH
Internal Medicine, Rheumatology (M.D.) in Columbus, Ohio, trained at Indiana University School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $5,049,837 for 3,449 claims, against $34,574 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 5 companies reporting payments in 2025, $92.69 in all, mostly food and beverage.
Overview
| NPI | 1083689939 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 22, 2006 |
| Last updated in NPPES | Oct 7, 2026 |
| Certified by provider | Oct 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 01074805A | IN |
| Internal Medicine, Rheumatology | 207RR0500X | ME0082431 | FL |
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 - Rheumatology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 1,932 across 14 procedure codes |
| Paid by Medicare | $34,574 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,449 · 6,849 30-day fills |
|---|---|
| Patients | 453 |
| Total drug cost | $5,049,837 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Rheumatology |
Medical groups
- Healthnet IncIndianapolis, IN · 81 clinicians
- Jane Pauley Community Health Center IncIndianapolis, IN · 77 clinicians
Hospital affiliations
- Columbus Regional HospitalColumbus, IN
- Community Hospital EastIndianapolis, IN
- Hancock Regional HospitalGreenfield, IN
- Indiana University HealthIndianapolis, IN
Industry payments (Open Payments)
- 2025$92.69 · 5 payments from 5 companies
- 2024$458.96 · 18 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $25.69 | 1 |
| Abbvie Inc. | $18.72 | 1 |
| Pfizer Inc. | $16.57 | 1 |
| Amgen Inc. | $16.48 | 1 |
| Astrazeneca Pharmaceuticals LP | $15.23 | 1 |
What the 2025 payments were for
- Food and Beverage$92.69 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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