John Diakiw, MD
NPI 1245208081ActiveIndividual· Internal Medicine· Scranton, PA
Internal Medicine (MD) in Scranton, Pennsylvania, trained at Medical College of Pennsylvania (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $1,059,966 for 9,766 claims, against $88,297 paid for services in 2024. Novo Nordisk Inc was the largest of 23 companies reporting payments in 2025, $3,383 in all, mostly food and beverage.
Overview
| NPI | 1245208081 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 9, 2006 |
| Last updated in NPPES | Oct 19, 2021 |
| Certified by provider | Oct 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD023799E | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 1,066 across 22 procedure codes |
| Paid by Medicare | $88,297 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,766 · 17,631 30-day fills |
|---|---|
| Patients | 494 |
| Total drug cost | $1,059,966 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Medical College of Pennsylvania |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Internal Medicine |
Medical group
- Scranton Quincy Clinic Company LLCOld Forge, PA · 66 clinicians
Hospital affiliations
- Geisinger Wyoming Valley Medical CenterWilkes Barre, PA
- Geisinger-Community Medical CenterScranton, PA
- Regional Hospital of ScrantonScranton, PA
- Wayne Memorial HospitalHonesdale, PA
- Wilkes-Barre General HospitalWilkes-Barre, PA
Other facilities
- Accentcare Health of PennsylvaniaHome health agency · Bristol, PA
- Commonwealth Home Health of Moses TaylorHome health agency · Scranton, PA
- Traditional Home Health CareHome health agency · Dunmore, PA
- Allied Services Institute of RehabilitationInpatient rehabilitation facility · Scranton, PA
Industry payments (Open Payments)
- 2025$3,383 · 157 payments from 23 companies
- 2024$4,127 · 154 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $445.58 | 17 |
| Astrazeneca Pharmaceuticals LP | $384.89 | 23 |
| Abbvie Inc. | $349.11 | 17 |
| Lilly USA, LLC | $334.37 | 16 |
| Amgen Inc. | $314.83 | 12 |
What the 2025 payments were for
- Food and Beverage$3,383 · 157 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 158 internal medicine physicians in Scranton · All internal medicine physicians in Pennsylvania