Quick answers
- Which hospitals does Arnold D. Rivera work at?
- Medicare's official clinician data lists Arnold D. Rivera at 2 hospitals: Bristol Hospital and Griffin Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Arnold D. Rivera see patients?
- Medicare's clinician data lists 2 practice locations, including Derby, CT and Bristol, CT. Call before your visit to confirm the address.
- What is Arnold D. Rivera's specialty?
- Medicare lists Urology as the primary specialty.
- Does Arnold D. Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Arnold D. Rivera 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 Arnold D. Rivera?
- (203) 736-4816, as listed in official Medicare / NPI Registry data.
- What is Arnold D. Rivera's NPI number?
- 1477583045. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Arnold D. Rivera works
Medicare's Facility Affiliation Data lists Arnold D. Rivera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bristol HospitalBristol, CT · Acute Care Hospital · CCN 070029
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
Practice locations
Addresses where Arnold D. Rivera is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 New Haven Ave, Suite 5Derby, CT 06418 (203) 736‑4816
- 41 Brewster RdBristol, CT 06010 (860) 585‑3000
Group practices
Medicare enrollment lists Arnold D. Rivera as a member of this group (CMS data updated 2026-10-02).
- Bristol Hospital Multi Specialty Group, Inc.148 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Connecticut
Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477583045 |
| 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