Eric C. Isenman, MD
NPI 1609931187ActiveIndividual· Internal Medicine· Melbourne, FL
Internal Medicine (MD) in Melbourne, Florida, trained at Drexel University College of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $1,005,514 for 12,363 claims, against $273,593 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 8 companies reporting payments in 2025, $355.68 in all, mostly food and beverage.
Overview
| NPI | 1609931187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 26, 2006 |
| Last updated in NPPES | Jan 2, 2025 |
| Certified by provider | Jan 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME97185 | 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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 525 |
|---|---|
| Services billed | 7,255 across 42 procedure codes |
| Paid by Medicare | $273,593 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,363 · 26,905 30-day fills |
|---|---|
| Patients | 780 |
| Total drug cost | $1,005,514 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Drexel University College of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Holmes Regional Medical CenterMelbourne, FL
- Viera HospitalMelbourne, FL
Other facilities
- Concierge Home CareHome health agency · Melbourne, FL
- Health First Home CareHome health agency · Melbourne, FL
- Vitas Healthcare Corporation of FloridaHospice · Melbourne, FL
- Life Care Center of MelbourneNursing home · Melbourne, FL
Industry payments (Open Payments)
- 2025$355.68 · 16 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $128.87 | 4 |
| Amgen Inc. | $69.85 | 4 |
| Novo Nordisk Inc | $49.01 | 2 |
| Astrazeneca Pharmaceuticals LP | $42.00 | 2 |
| Lilly USA, LLC | $18.51 | 1 |
What the 2025 payments were for
- Food and Beverage$355.68 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 134 internal medicine physicians in Melbourne · All internal medicine physicians in Florida