Quick answers
- Which hospitals does Eric L. Gressen work at?
- Medicare's official clinician data lists Eric L. Gressen at 2 hospitals: Jefferson Health- Northeast and Thomas Jefferson University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric L. Gressen see patients?
- Medicare's clinician data lists 2 practice locations, including Phila, PA and Philadelphia, PA. Call before your visit to confirm the address.
- What is Eric L. Gressen's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Eric L. Gressen accept Medicare assignment?
- Yes. Medicare's clinician data says Eric L. Gressen 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 Eric L. Gressen?
- (215) 955-8874, as listed in official Medicare / NPI Registry data.
- What is Eric L. Gressen's NPI number?
- 1144242660. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric L. Gressen works
Medicare's Facility Affiliation Data lists Eric L. Gressen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Jefferson Health- NortheastPhiladelphia, PA · Acute Care Hospital · CCN 390115
- Thomas Jefferson University HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390174
Practice locations
Addresses where Eric L. Gressen is enrolled with Medicare (CMS data updated 2026-10-02).
- 10800 Knights RdPhila, PA 19114
- 925 Chestnut St, Suite 3Philadelphia, PA 19107 (215) 955‑8874
Group practices
Medicare enrollment lists Eric L. Gressen as a member of this group (CMS data updated 2026-10-02).
- Jefferson University Physicians1,531 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Phila
Clinicians with the same Medicare primary specialty in Phila, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144242660 |
| 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