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Internal Medicine

Mildred D. Rivera, MD

Works at hospitals in Torrington, CT · Hartford, CT · Bridgeport, CT · Connecticut

Summary

Mildred D. Rivera, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Torrington, CT, Hartford, CT and Bridgeport, CT. NPI 1770089237. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mildred D. Rivera, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
FemaleGender (as listed)
The Charlotte Hungerford HospitalGroup practice

Quick answers

Which hospitals does Mildred D. Rivera work at?
Medicare's official clinician data lists Mildred D. Rivera at 3 hospitals: Charlotte Hungerford Hospital, Hartford Hospital and St Vincent's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mildred D. Rivera see patients?
Medicare's clinician data lists 1 practice location in Torrington, CT. Call before your visit to confirm the address.
What is Mildred D. Rivera's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mildred D. Rivera accept Medicare assignment?
Yes. Medicare's clinician data says Mildred 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 Mildred D. Rivera?
(860) 496-6666, as listed in official Medicare / NPI Registry data.
What is Mildred D. Rivera's NPI number?
1770089237. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mildred D. Rivera works

Medicare's Facility Affiliation Data lists Mildred D. Rivera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mildred D. Rivera is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mildred D. Rivera as a member of this group (CMS data updated 2026-10-02).

  • The Charlotte Hungerford Hospital200 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Torrington

Clinicians with the same Medicare primary specialty in Torrington, CT — not a recommendation.

All internal medicine doctors in Torrington →

Clinician information

CredentialMD
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770089237
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians