Quick answers
- Which hospitals does John Keenan work at?
- Medicare's official clinician data lists John Keenan at 1 hospital: WellSpan York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Keenan see patients?
- Medicare's clinician data lists 1 practice location in York, PA. Call before your visit to confirm the address.
- What is John Keenan's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Family Practice.
- Does John Keenan accept Medicare assignment?
- Yes. Medicare's clinician data says John Keenan 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 Keenan offer telehealth?
- Medicare's clinician data says John Keenan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John Keenan?
- (717) 812-7300, as listed in official Medicare / NPI Registry data.
- What is John Keenan's NPI number?
- 1790084366. 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 Keenan works
Medicare's Facility Affiliation Data lists John Keenan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- WellSpan York HospitalYork, PA · Acute Care Hospital · CCN 390046
Practice locations
Addresses where John Keenan is enrolled with Medicare (CMS data updated 2026-10-02).
- 2775 N George St, Wellspan Family Medicine HayshireYork, PA 17402 (717) 812‑7300
Group practices
Medicare enrollment lists John Keenan as a member of this group (CMS data updated 2026-10-02).
- WellSpan Medical Group2,480 clinicians in the group
Specialties
- Hospitalistprimary
- Family Practicealso
Other hospitalists in York
Clinicians with the same Medicare primary specialty in York, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790084366 |
| 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