Quick answers
- Which hospitals does John Diakiw work at?
- Medicare's official clinician data lists John Diakiw at 5 hospitals: Geisinger Wyoming Valley Medical Center, Geisinger-Community Medical Center, Regional Hospital of Scranton, Wayne Memorial Hospital and Wilkes-Barre General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Diakiw see patients?
- Medicare's clinician data lists 2 practice locations, including Old Forge, PA and Scranton, PA. Call before your visit to confirm the address.
- What is John Diakiw's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John Diakiw accept Medicare assignment?
- Yes. Medicare's clinician data says John Diakiw accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John Diakiw?
- (570) 457-8364, as listed in official Medicare / NPI Registry data.
- What is John Diakiw's NPI number?
- 1245208081. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Diakiw works
Medicare's Facility Affiliation Data lists John Diakiw at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Geisinger Wyoming Valley Medical CenterWilkes-Barre, PA · Acute Care Hospital · CCN 390270
- Geisinger-Community Medical CenterScranton, PA · Acute Care Hospital · CCN 390001
- Regional Hospital of ScrantonScranton, PA · Acute Care Hospital · CCN 390237
- Wayne Memorial HospitalHonesdale, PA · Acute Care Hospital · CCN 390125
- Wilkes-Barre General HospitalWilkes-Barre, PA · Acute Care Hospital · CCN 390137
Practice locations
Addresses where John Diakiw is enrolled with Medicare (CMS data updated 2026-10-02).
- 315 S Main StOld Forge, PA 18518 (570) 457‑8364
- 748 Quincy AveScranton, PA 18510
Group practices
Medicare enrollment lists John Diakiw as a member of this group (CMS data updated 2026-10-02).
- Scranton Quincy Clinic Company LLC66 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Old Forge
Clinicians with the same Medicare primary specialty in Old Forge, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Pennsylvania |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245208081 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians