Quick answers
- Which hospitals does John E. Cosmi work at?
- Medicare's official clinician data lists John E. Cosmi at 5 hospitals: Ahs Hospital Corp, Chilton Medical Center, Morristown Medical Center, Newton Medical Center and Overlook Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John E. Cosmi see patients?
- Medicare's clinician data lists 2 practice locations, including Morristown, NJ. Call before your visit to confirm the address.
- What is John E. Cosmi's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does John E. Cosmi accept Medicare assignment?
- Yes. Medicare's clinician data says John E. Cosmi 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 E. Cosmi?
- (973) 971-5915, as listed in official Medicare / NPI Registry data.
- What is John E. Cosmi's NPI number?
- 1558458950. 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 E. Cosmi works
Medicare's Facility Affiliation Data lists John E. Cosmi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ahs Hospital CorpHackettstown, NJ · Acute Care Hospital · CCN 310115
- Chilton Medical CenterPompton Plains, NJ · Acute Care Hospital · CCN 310017
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
- Newton Medical CenterNewton, NJ · Acute Care Hospital · CCN 310028
- Overlook Medical CenterSummit, NJ · Acute Care Hospital · CCN 310051
Practice locations
Addresses where John E. Cosmi is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Madison AveMorristown, NJ 07960 (973) 971‑5915
- 95 Madison AveMorristown, NJ 07960 (973) 285‑7610
Group practices
Medicare enrollment lists John E. Cosmi as a member of these groups (CMS data updated 2026-10-02).
- Practice Associates Medical Group1,408 clinicians in the group
- Cardiovascular Health Consultants, P.A.119 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New Jersey →
Other cardiologists in Morristown
Clinicians with the same Medicare primary specialty in Morristown, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558458950 |
| 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