Quick answers
- Which hospitals does Erik D. Assarsson work at?
- Medicare's official clinician data lists Erik D. Assarsson at 4 hospitals: Bryn Mawr Hospital, Hospital of University of Pennsylvania, Main Line Hospital Lankenau and Riddle Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erik D. Assarsson see patients?
- Medicare's clinician data lists 7 practice locations, including Wynewood, PA, Media, PA and Bryn Mawr, PA. Call before your visit to confirm the address.
- What is Erik D. Assarsson's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Erik D. Assarsson accept Medicare assignment?
- Yes. Medicare's clinician data says Erik D. Assarsson 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 Erik D. Assarsson?
- (484) 476-2433, as listed in official Medicare / NPI Registry data.
- What is Erik D. Assarsson's NPI number?
- 1306891338. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erik D. Assarsson works
Medicare's Facility Affiliation Data lists Erik D. Assarsson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · CCN 390139
- Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
- Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · CCN 390195
- Riddle Memorial HospitalMedia, PA · Acute Care Hospital · CCN 390222
Practice locations
Addresses where Erik D. Assarsson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 100 E Lancaster AveWynewood, PA 19096 (484) 476‑2433
- 1078 W Baltimore Pike, Suite 2Media, PA 19063 (484) 227‑4680
- 130 S Bryn Mawr AveBryn Mawr, PA 19010 (484) 337‑8696
- 176 S New Middletown Rd, Suite 203Media, PA 19063 (610) 566‑7300
- 255 W Lancaster AvePaoli, PA 19301 (484) 565‑1140
Group practices
Medicare enrollment lists Erik D. Assarsson as a member of these groups (CMS data updated 2026-10-02).
- Aesthetic Dermatology Associates PC11 clinicians in the group
- Main Line Radiation Oncology PC5 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Wynewood
Clinicians with the same Medicare primary specialty in Wynewood, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers R W Johnson Medical School (cam/new Bruns/pisc) |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306891338 |
| 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