Quick answers
- Which hospitals does Nathan R. Koscuk work at?
- Medicare's official clinician data lists Nathan R. Koscuk at 3 hospitals: Geisinger St. Luke's Hospital, Lehigh Valley Hospital and Schuylkill Medical Center - South Jackson Street. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathan R. Koscuk see patients?
- Medicare's clinician data lists 3 practice locations, including Pennsburg, PA, Easton, PA and Pottsville, PA. Call before your visit to confirm the address.
- What is Nathan R. Koscuk's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Nathan R. Koscuk accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan R. Koscuk 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 Nathan R. Koscuk?
- (610) 402-3888, as listed in official Medicare / NPI Registry data.
- What is Nathan R. Koscuk's NPI number?
- 1326809237. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathan R. Koscuk works
Medicare's Facility Affiliation Data lists Nathan R. Koscuk at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Geisinger St. Luke's HospitalOrwigsburg, PA · Acute Care Hospital · CCN 390332
- Lehigh Valley HospitalAllentown, PA · Acute Care Hospital · CCN 390133
- Schuylkill Medical Center - South Jackson StreetPottsville, PA · Acute Care Hospital · CCN 390030
Practice locations
Addresses where Nathan R. Koscuk is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 W 7th St, 2c Lvpg Pediatric Gastroenterology PennsburPennsburg, PA 18073 (610) 402‑3888
- 3780 Hecktown RdEaston, PA 18045 (610) 821‑2828
- 48 Tunnel RdPottsville, PA 17901
Group practices
Medicare enrollment lists Nathan R. Koscuk as a member of these groups (CMS data updated 2026-10-02).
- Lehigh Valley Physician Group2,542 clinicians in the group
- Integrated Medical Group P C107 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Pennsburg
Clinicians with the same Medicare primary specialty in Pennsburg, PA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326809237 |
| 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