Quick answers
- Which hospitals does James A. Rommer work at?
- Medicare's official clinician data lists James A. Rommer at 3 hospitals: Clara Maass Medical Center, Cooperman Barnabas Medical Center and Morristown Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James A. Rommer see patients?
- Medicare's clinician data lists 2 practice locations, including Livingston, NJ and Warren, NJ. Call before your visit to confirm the address.
- What is James A. Rommer's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does James A. Rommer accept Medicare assignment?
- Yes. Medicare's clinician data says James A. Rommer 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 James A. Rommer offer telehealth?
- Medicare's clinician data says James A. Rommer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is James A. Rommer's NPI number?
- 1073528634. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James A. Rommer works
Medicare's Facility Affiliation Data lists James A. Rommer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Clara Maass Medical CenterBelleville, NJ · Acute Care Hospital · CCN 310009
- Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · CCN 310076
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
Practice locations
Addresses where James A. Rommer is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 S Orange AveLivingston, NJ 07039
- 8 Mountain BlvdWarren, NJ 07059
Group practices
Medicare enrollment lists James A. Rommer as a member of this group (CMS data updated 2026-10-02).
- RWJBH Primary Care Services267 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Livingston
Clinicians with the same Medicare primary specialty in Livingston, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Js Weill Medical College, Cornell University |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1073528634 |
| 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