Quick answers
- Which hospitals does John A. Kosteva work at?
- Medicare's official clinician data lists John A. Kosteva at 5 hospitals: Chester County Hospital, Doylestown Hospital, Hospital of Univ of Pennsylvania, Paoli Hospital and Pennsylvania Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Kosteva see patients?
- Medicare's clinician data lists 4 practice locations, including Berwyn, PA, Cranberry Township, PA and Cranberry Twp, PA. Call before your visit to confirm the address.
- What is John A. Kosteva's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does John A. Kosteva accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Kosteva 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 A. Kosteva?
- (610) 576-7500, as listed in official Medicare / NPI Registry data.
- What is John A. Kosteva's NPI number?
- 1700036902. 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 A. Kosteva works
Medicare's Facility Affiliation Data lists John A. Kosteva at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chester County HospitalWest Chester, PA · Acute Care Hospital · CCN 390179
- Doylestown HospitalDoylestown, PA · Acute Care Hospital · CCN 390203
- Hospital of Univ of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
- Paoli HospitalPaoli, PA · Acute Care Hospital · CCN 390153
- Pennsylvania HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390226
Practice locations
Addresses where John A. Kosteva is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 Chesterbrook Blvd 2nd Fl W, Hemo Onc Valley ForgeBerwyn, PA 19312 (610) 576‑7500
- 2000 Westinghouse DrCranberry Township, PA 16066
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
- 3400 Civic Ctr BlvdPhiladelphia, PA 19104
Group practices
Medicare enrollment lists John A. Kosteva as a member of these groups (CMS data updated 2026-10-02).
- University of Penn - Medical Group3,505 clinicians in the group
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700036902 |
| 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