Quick answers
- Which hospitals does Karim Nathan work at?
- Medicare's official clinician data lists Karim Nathan at 3 hospitals: Mercy Catholic Medical Center- Mercy Fitzgerald, Nazareth Hospital and St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karim Nathan see patients?
- Medicare's clinician data lists 2 practice locations, including Langhorne, PA and Philadelphia, PA. Call before your visit to confirm the address.
- What is Karim Nathan's specialty?
- Medicare lists Cardiac Electrophysiology as the primary specialty.
- Does Karim Nathan accept Medicare assignment?
- Yes. Medicare's clinician data says Karim Nathan 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 Karim Nathan?
- (215) 710-6613, as listed in official Medicare / NPI Registry data.
- What is Karim Nathan's NPI number?
- 1639570849. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karim Nathan works
Medicare's Facility Affiliation Data lists Karim Nathan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Catholic Medical Center- Mercy FitzgeraldDarby, PA · Acute Care Hospital · CCN 390156
- Nazareth HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390204
- St Mary Medical CenterLanghorne, PA · Acute Care Hospital · CCN 390258
Practice locations
Addresses where Karim Nathan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1205 Langhorne Newtown RdLanghorne, PA 19047 (215) 710‑6613
- 2701 Holme Ave, Suite 105Philadelphia, PA 19152 (215) 757‑7212
Group practices
Medicare enrollment lists Karim Nathan as a member of this group (CMS data updated 2026-10-02).
- Trinity Health Mid-Atlantic Medical Group334 clinicians in the group
Specialties
- Cardiac Electrophysiologyprimary
Find other Cardiac Electrophysiology doctors in Pennsylvania →
Other cardiac electrophysiologists in Langhorne
Clinicians with the same Medicare primary specialty in Langhorne, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639570849 |
| 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