Quick answers
- Which hospitals does John L. Caplan work at?
- Medicare's official clinician data lists John L. Caplan at 2 hospitals: Robert Wood Johnson University Hospital and Robert Wood Johnson University Hospital at Hamilton. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John L. Caplan see patients?
- Medicare's clinician data lists 2 practice locations, including Hamilton, NJ. Call before your visit to confirm the address.
- What is John L. Caplan's specialty?
- Medicare lists Cardiac Electrophysiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does John L. Caplan accept Medicare assignment?
- Yes. Medicare's clinician data says John L. Caplan 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 L. Caplan?
- (609) 584-1212, as listed in official Medicare / NPI Registry data.
- What is John L. Caplan's NPI number?
- 1386622769. 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 L. Caplan works
Medicare's Facility Affiliation Data lists John L. Caplan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Robert Wood Johnson University HospitalNew Brunswick, NJ · Acute Care Hospital · CCN 310038
- Robert Wood Johnson University Hospital at HamiltonHamilton, NJ · Acute Care Hospital · CCN 310110
Practice locations
Addresses where John L. Caplan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1262 B Whitehorse Hamilton Square RdHamilton, NJ 08690 (609) 584‑1212
- 2073 Klockner RdHamilton, NJ 08690 (609) 584‑1212
Group practices
Medicare enrollment lists John L. Caplan as a member of this group (CMS data updated 2026-10-02).
- Hamilton Cardiology Associates PA21 clinicians in the group
Specialties
Find other Cardiac Electrophysiology doctors in New Jersey →
Other cardiac electrophysiologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386622769 |
| 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