Paul Edward Dejac, MD
NPI 1457796997ActiveIndividual· Internal Medicine· Buffalo, NY
Internal Medicine (MD) in Buffalo, New York, trained at State University of New York at Buffalo School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $39,918 for 554 claims, against $2,517 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $1,240 in all, mostly food and beverage.
Overview
| NPI | 1457796997 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2013 |
| Last updated in NPPES | Mar 19, 2026 |
| Certified by provider | Mar 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 285386 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 45 across 11 procedure codes |
| Paid by Medicare | $2,517 |
Part D prescriptions in 2024
| Prescriptions (claims) | 554 · 730 30-day fills |
|---|---|
| Patients | 130 |
| Total drug cost | $39,918 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
Medical group
- Paul Dejac Physician PCBuffalo, NY · 7 clinicians
Industry payments (Open Payments)
- 2025$1,240 · 61 payments from 17 companies
- 2024$1,328 · 60 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $290.61 | 16 |
| Abbvie Inc. | $115.20 | 5 |
| Pfizer Inc. | $98.70 | 4 |
| Exact Sciences Corporation | $95.91 | 4 |
| Novo Nordisk Inc | $90.59 | 5 |
What the 2025 payments were for
- Food and Beverage$1,240 · 61 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Buffalo
- 1003226143
- 1003312455
- 1003860438
- 1033615455
- 1053553149
- 1053792374
- 1053806125
- 1053844431
- 1063025641
- 1063041648
- 1093373185
- 1104075308
All 320 internal medicine physicians in Buffalo · All internal medicine physicians in New York