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Internal Medicine

Jessica Mary

Works at hospitals in Derby, CT · Hartford, CT · Meriden, CT … · Connecticut

Summary

Jessica Mary is an internal medicine doctor at 100 Grand St, New Britain, CT 06052. Phone: (860) 224-5121. Accepts Medicare assignment. NPI 1356084347. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 100 Grand St, New Britain, CT 06052 · Directions (1 more location)
  • Phone: (860) 224‑5121
  • Medicare: Accepts Medicare assignment
  • Hospitals: Griffin Hospital, Hartford Hospital, Midstate Medical Center and 1 more
  • Group practice: The Hospital of Central Connecticut at New Britain General and Bradley (+1 more)
  • Medical school: University Of Connecticut School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica Mary, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jessica Mary accept Medicare assignment?
Yes. Medicare's clinician data says Jessica Mary accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Jessica Mary's NPI number?
1356084347. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jessica Mary works

Medicare's Facility Affiliation Data lists Jessica Mary at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031
  • Hartford HospitalHartford, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070025
  • Midstate Medical CenterMeriden, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070017
  • The Hospital of Central ConnecticutNew Britain, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070035

Practice locations

Addresses where Jessica Mary is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jessica Mary as a member of these groups (CMS data updated October 2, 2026).

  • The Hospital of Central Connecticut at New Britain General and Bradley399 clinicians in the group
  • Midstate Medical Center186 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in New Britain

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

All internal medicine doctors in New Britain →

Other clinicians in The Hospital of Central Connecticut at New Britain General and Bradley

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356084347
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians