Quick answers
- Which hospitals does John Leighton work at?
- Medicare's official clinician data lists John Leighton at 1 hospital: Jefferson Einstein Philadelphia Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Leighton see patients?
- Medicare's clinician data lists 2 practice locations, including Phila, PA and Philadelphia, PA. Call before your visit to confirm the address.
- What is John Leighton's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does John Leighton accept Medicare assignment?
- Yes. Medicare's clinician data says John Leighton 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 Leighton offer telehealth?
- Medicare's clinician data says John Leighton offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John Leighton?
- (215) 456-3880, as listed in official Medicare / NPI Registry data.
- What is John Leighton's NPI number?
- 1861461162. 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 Leighton works
Medicare's Facility Affiliation Data lists John Leighton at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Jefferson Einstein Philadelphia HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390142
Practice locations
Addresses where John Leighton is enrolled with Medicare (CMS data updated 2026-10-02).
- 5501 Old York RdPhila, PA 19141 (215) 456‑3880
- 9880 Bustleton Ave, Suite 332Philadelphia, PA 19115 (215) 827‑1570
Group practices
Medicare enrollment lists John Leighton as a member of this group (CMS data updated 2026-10-02).
- Einstein Practice Plan Inc794 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Phila
Clinicians with the same Medicare primary specialty in Phila, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1861461162 |
| 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