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Family Practice

Gemstonn B. Alegre, MD

Works at hospitals in New London, CT · Norwich, CT · Connecticut

Summary

Gemstonn B. Alegre, MD (Family Practice) is listed by Medicare at 2 hospitals in New London, CT and Norwich, CT. NPI 1699355776. 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 Gemstonn B. Alegre, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
6Years since medical school (graduated 2020)
MaleGender (as listed)
Hartford Healthcare Medical Group IncGroup practice

Quick answers

Which hospitals does Gemstonn B. Alegre work at?
Medicare's official clinician data lists Gemstonn B. Alegre at 2 hospitals: Lawrence & Memorial Hospital and William W Backus Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gemstonn B. Alegre see patients?
Medicare's clinician data lists 1 practice location in Southington, CT. Call before your visit to confirm the address.
What is Gemstonn B. Alegre's specialty?
Medicare lists Family Practice as the primary specialty.
Does Gemstonn B. Alegre accept Medicare assignment?
Yes. Medicare's clinician data says Gemstonn B. Alegre 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 Gemstonn B. Alegre offer telehealth?
Medicare's clinician data says Gemstonn B. Alegre offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gemstonn B. Alegre?
(860) 276-5144, as listed in official Medicare / NPI Registry data.
What is Gemstonn B. Alegre's NPI number?
1699355776. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gemstonn B. Alegre works

Medicare's Facility Affiliation Data lists Gemstonn B. Alegre 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 Gemstonn B. Alegre is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gemstonn B. Alegre as a member of this group (CMS data updated 2026-10-02).

  • Hartford Healthcare Medical Group Inc267 clinicians in the group

Specialties

Find other Family Practice doctors in Connecticut →

Other family doctors in Southington

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

All family doctors in Southington →

Clinician information

CredentialMD
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1699355776
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