Quick answers
- Which hospitals does Philip Joson work at?
- Medicare's official clinician data lists Philip Joson at 1 hospital: The Washington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Philip Joson see patients?
- Medicare's clinician data lists 1 practice location in Lancaster, PA. Call before your visit to confirm the address.
- What is Philip Joson's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Philip Joson accept Medicare assignment?
- Yes. Medicare's clinician data says Philip Joson 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 Philip Joson?
- (717) 869-4600, as listed in official Medicare / NPI Registry data.
- What is Philip Joson's NPI number?
- 1275595548. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Philip Joson works
Medicare's Facility Affiliation Data lists Philip Joson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- The Washington HospitalWashington, PA · Acute Care Hospital · CCN 390042
Practice locations
Addresses where Philip Joson is enrolled with Medicare (CMS data updated 2026-10-02).
- 2112 Harrisburg Pike, Suite 202Lancaster, PA 17601 (717) 869‑4600
Group practices
Medicare enrollment lists Philip Joson as a member of this group (CMS data updated 2026-10-02).
- Regional Gastroenterology Associates of Lancaster, Ltd.244 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Lancaster
Clinicians with the same Medicare primary specialty in Lancaster, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275595548 |
| 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