Quick answers
- Which hospitals does John E. Piatt Iii work at?
- Medicare's official clinician data lists John E. Piatt Iii at 3 hospitals: Geisinger Medical Center, Geisinger-Lewistown Hospital and Mount Nittany Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John E. Piatt Iii see patients?
- Medicare's clinician data lists 4 practice locations, including Port Matilda, PA, State College, PA and Cranberry Twp, PA. Call before your visit to confirm the address.
- What is John E. Piatt Iii's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John E. Piatt Iii accept Medicare assignment?
- Yes. Medicare's clinician data says John E. Piatt Iii 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.
- Does John E. Piatt Iii offer telehealth?
- Medicare's clinician data says John E. Piatt Iii offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John E. Piatt Iii?
- (814) 272-7100, as listed in official Medicare / NPI Registry data.
- What is John E. Piatt Iii's NPI number?
- 1891750915. 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 E. Piatt Iii works
Medicare's Facility Affiliation Data lists John E. Piatt Iii 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
- Geisinger-Lewistown HospitalLewistown, PA · Acute Care Hospital · CCN 390048
- Mount Nittany Medical CenterState College, PA · Acute Care Hospital · CCN 390268
Practice locations
Addresses where John E. Piatt Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 132 Abigail LnPort Matilda, PA 16870 (814) 272‑7100
- 200 Scenery DrState College, PA 16801 (814) 231‑4560
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
- 611 University DrState College, PA 16801 (814) 234‑7280
Group practices
Medicare enrollment lists John E. Piatt Iii as a member of these groups (CMS data updated 2026-10-02).
- Geisinger Clinic3,467 clinicians in the group
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Port Matilda
Clinicians with the same Medicare primary specialty in Port Matilda, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891750915 |
| 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