Quick answers
- Which hospitals does Frederick C. Lapp Jr. work at?
- Medicare's official clinician data lists Frederick C. Lapp Jr. at 1 hospital: Geisinger Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frederick C. Lapp Jr. see patients?
- Medicare's clinician data lists 3 practice locations, including York, PA and Lewisburg, PA. Call before your visit to confirm the address.
- What is Frederick C. Lapp Jr.'s specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Frederick C. Lapp Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Frederick C. Lapp Jr. 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 Frederick C. Lapp Jr.?
- (570) 524-3066, as listed in official Medicare / NPI Registry data.
- What is Frederick C. Lapp Jr.'s NPI number?
- 1801816848. 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 C. Lapp Jr. works
Medicare's Facility Affiliation Data lists Frederick C. Lapp Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Geisinger Medical CenterDanville, PA · Acute Care Hospital · CCN 390006
Practice locations
Addresses where Frederick C. Lapp Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 25 Monument RdYork, PA 17403
- 7095 Westbranch Hwy, Suite 1000 Wellspan Urgent CareLewisburg, PA 17837 (570) 524‑3066
- 7095 Westbranch Hwy 1000Lewisburg, PA 17837
Group practices
Medicare enrollment lists Frederick C. Lapp Jr. as a member of these groups (CMS data updated 2026-10-02).
- WellSpan Medical Group2,480 clinicians in the group
- Evangelical Medical Services Organization248 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in York
Clinicians with the same Medicare primary specialty in York, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801816848 |
| 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