Quick answers
- Where does Derek C. Longenecker see patients?
- Medicare's clinician data lists 2 practice locations, including Mount Joy, PA and Lancaster, PA. Call before your visit to confirm the address.
- What is Derek C. Longenecker's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Derek C. Longenecker accept Medicare assignment?
- Yes. Medicare's clinician data says Derek C. Longenecker 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 Derek C. Longenecker?
- (717) 653-2200, as listed in official Medicare / NPI Registry data.
- What is Derek C. Longenecker's NPI number?
- 1215313416. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Derek C. Longenecker is enrolled with Medicare (CMS data updated 2026-10-02).
- 1009 E Main StMount Joy, PA 17552 (717) 653‑2200
- 231 Granite Run DrLancaster, PA 17601 (717) 560‑4200
Group practices
Medicare enrollment lists Derek C. Longenecker as a member of this group (CMS data updated 2026-10-02).
- Lancaster Orthopedic Group, Inc.74 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Pennsylvania →
Other physical therapists in Mount Joy
Clinicians with the same Medicare primary specialty in Mount Joy, PA — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215313416 |
| 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
- 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