Quick answers
- Which hospitals does Michael J. Rivera Rios work at?
- Medicare's official clinician data lists Michael J. Rivera Rios at 1 hospital: The Hospital of Central Connecticut. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Rivera Rios see patients?
- Medicare's clinician data lists 2 practice locations, including New Britain, CT and Hartford, CT. Call before your visit to confirm the address.
- What is Michael J. Rivera Rios's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Michael J. Rivera Rios accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Rivera Rios 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 Michael J. Rivera Rios?
- (860) 224-5121, as listed in official Medicare / NPI Registry data.
- What is Michael J. Rivera Rios's NPI number?
- 1255872164. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Rivera Rios works
Medicare's Facility Affiliation Data lists Michael J. Rivera Rios at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- The Hospital of Central ConnecticutNew Britain, CT · Acute Care Hospital · CCN 070035
Practice locations
Addresses where Michael J. Rivera Rios is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Grand StNew Britain, CT 06052 (860) 224‑5121
- 80 Seymour StHartford, CT 06102
Group practices
Medicare enrollment lists Michael J. Rivera Rios as a member of these groups (CMS data updated 2026-10-02).
- Hartford Hospital1,044 clinicians in the group
- The Hospital of Central Connecticut at New Britain General and Bradley399 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in New Britain
Clinicians with the same Medicare primary specialty in New Britain, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255872164 |
| 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