Quick answers
- Which hospitals does Dean Trevlyn work at?
- Medicare's official clinician data lists Dean Trevlyn at 5 hospitals: Bryn Mawr Hospital, Hospital of University of Pennsylvania, Main Line Hospital Lankenau, Mercy Catholic Medical Center- Mercy Fitzgerald and Riddle Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dean Trevlyn see patients?
- Medicare's clinician data lists 7 practice locations, including West Chester, PA, Broomall, PA and Collegeville, PA. Call before your visit to confirm the address.
- What is Dean Trevlyn's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Dean Trevlyn accept Medicare assignment?
- Yes. Medicare's clinician data says Dean Trevlyn 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 Dean Trevlyn?
- (610) 399-1138, as listed in official Medicare / NPI Registry data.
- What is Dean Trevlyn's NPI number?
- 1609819689. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dean Trevlyn works
Medicare's Facility Affiliation Data lists Dean Trevlyn 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
- Mercy Catholic Medical Center- Mercy FitzgeraldDarby, PA · Acute Care Hospital · CCN 390156
- Riddle Memorial HospitalMedia, PA · Acute Care Hospital · CCN 390222
Practice locations
Addresses where Dean Trevlyn is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1396 Wilmington PikeWest Chester, PA 19382 (610) 399‑1138
- 2004 Sproul Rd, Fl 1Broomall, PA 19008 (610) 353‑0800
- 201 2nd AveCollegeville, PA 19426 (610) 489‑7703
- 470 John Young Way, Suite 100Exton, PA 19341 (610) 363‑6589
- 500 Evergreen Dr, Suite 10Glen Mills, PA 19342 (610) 768‑1669
Group practices
Medicare enrollment lists Dean Trevlyn as a member of these groups (CMS data updated 2026-10-02).
- Novacare Outpatient Rehabilitation East, Inc.503 clinicians in the group
- Premier Orthopaedic and Sports Medicine Associates, Ltd216 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in West Chester
Clinicians with the same Medicare primary specialty in West Chester, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609819689 |
| 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