Quick answers
- Which hospitals does John Showalter work at?
- Medicare's official clinician data lists John Showalter at 1 hospital: Geisinger Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Showalter see patients?
- Medicare's clinician data lists 3 practice locations, including Danville, PA, Cranberry Township, PA and Cranberry Twp, PA. Call before your visit to confirm the address.
- What is John Showalter's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John Showalter accept Medicare assignment?
- Yes. Medicare's clinician data says John Showalter 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 John Showalter?
- (570) 284-7405, as listed in official Medicare / NPI Registry data.
- What is John Showalter's NPI number?
- 1609082064. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Showalter works
Medicare's Facility Affiliation Data lists John Showalter 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 John Showalter is enrolled with Medicare (CMS data updated 2026-10-02).
- 1238 Bloom RdDanville, PA 17821 (570) 284‑7405
- 2000 Westinghouse DrCranberry Township, PA 16066
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
Group practices
Medicare enrollment lists John Showalter as a member of this group (CMS data updated 2026-10-02).
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Danville
Clinicians with the same Medicare primary specialty in Danville, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609082064 |
| 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