Quick answers
- Which hospitals does Frederick M. Fellin work at?
- Medicare's official clinician data lists Frederick M. Fellin at 4 hospitals: Jefferson Abington Hospital, Jefferson Einstein Montgomery Hospital, Jefferson Lansdale Hospital and Thomas Jefferson University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frederick M. Fellin see patients?
- Medicare's clinician data lists 3 practice locations, including Collegeville, PA, Willow Grove, PA and Blue Bell, PA. Call before your visit to confirm the address.
- What is Frederick M. Fellin's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Frederick M. Fellin accept Medicare assignment?
- Yes. Medicare's clinician data says Frederick M. Fellin 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.
- Does Frederick M. Fellin offer telehealth?
- Medicare's clinician data says Frederick M. Fellin offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Frederick M. Fellin?
- (610) 489-7703, as listed in official Medicare / NPI Registry data.
- What is Frederick M. Fellin's NPI number?
- 1679684476. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frederick M. Fellin works
Medicare's Facility Affiliation Data lists Frederick M. Fellin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Jefferson Abington HospitalAbington, PA · Acute Care Hospital · CCN 390231
- Jefferson Einstein Montgomery HospitalEast Norriton, PA · Acute Care Hospital · CCN 390329
- Jefferson Lansdale HospitalLansdale, PA · Acute Care Hospital · CCN 390012
- Thomas Jefferson University HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390174
Practice locations
Addresses where Frederick M. Fellin is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 2nd AveCollegeville, PA 19426 (610) 489‑7703
- 3941 Commerce AveWillow Grove, PA 19090 (215) 481‑4000
- 721 Arbor Way, 103 Abington Care SpecBlue Bell, PA 19422 (215) 481‑2400
Group practices
Medicare enrollment lists Frederick M. Fellin as a member of these groups (CMS data updated 2026-10-02).
- Novacare Outpatient Rehabilitation East, Inc.503 clinicians in the group
- Abington Memorial Hospital442 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679684476 |
| 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