Quick answers
- Which hospitals does Ronald D. Ennis work at?
- Medicare's official clinician data lists Ronald D. Ennis at 1 hospital: Robert Wood Johnson University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ronald D. Ennis see patients?
- Medicare's clinician data lists 3 practice locations, including New Brunswick, NJ and Newark, NJ. Call before your visit to confirm the address.
- What is Ronald D. Ennis's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Ronald D. Ennis accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald D. Ennis 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 Ronald D. Ennis offer telehealth?
- Medicare's clinician data says Ronald D. Ennis offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ronald D. Ennis?
- (732) 828-3000, as listed in official Medicare / NPI Registry data.
- What is Ronald D. Ennis's NPI number?
- 1780668400. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ronald D. Ennis works
Medicare's Facility Affiliation Data lists Ronald D. Ennis 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
Practice locations
Addresses where Ronald D. Ennis is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Robert Wood Johnson Pl, Rutgers Health Rwj Radiation OncoloNew Brunswick, NJ 08901 (732) 828‑3000
- 195 Little Albany StNew Brunswick, NJ 08901 (732) 253‑3939
- 195 S Orange AveNewark, NJ 07103 (973) 972‑2878
Group practices
Medicare enrollment lists Ronald D. Ennis as a member of these groups (CMS data updated 2026-10-02).
- Rutgers Health-Rwj Scleroderma Program391 clinicians in the group
- University Physician Associates of New Jersey Inc378 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in New Brunswick
Clinicians with the same Medicare primary specialty in New Brunswick, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780668400 |
| 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