Diana Susan Koshy, M.D.
NPI 1396052510ActiveIndividual· Hospitalist· Winter Park, FL
Hospitalist (M.D.) with Florida Hospital Healthcare Partners, Inc, practicing in Winter Park, Florida. Their prescriptions cost Medicare Part D more than their services did: $69,301 for 449 claims, against $33,823 paid for services in 2024. Pfizer Inc. reported $16.94 in payments in 2025, mostly food and beverage. Lists Adventhealth Deland as a hospital affiliation.
Overview
| NPI | 1396052510 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 9, 2010 |
| Last updated in NPPES | Jul 24, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | ME115375 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 176 |
|---|---|
| Services billed | 418 across 15 procedure codes |
| Paid by Medicare | $33,823 |
Part D prescriptions in 2024
| Prescriptions (claims) | 449 · 578 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $69,301 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Florida Hospital Healthcare Partners, IncPalm Coast, FL · 642 clinicians
Hospital affiliation
- Adventhealth DelandDeland, FL
Industry payments (Open Payments)
- 2025$16.94 · 1 payment from 1 company
- 2024$45.18 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $16.94 | 1 |
What the 2025 payments were for
- Food and Beverage$16.94 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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