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Cardiovascular Disease (Cardiology)

Jonathan E. Gage, MD

Works at hospitals in Middletown, CT · New Haven, CT · Connecticut

Summary

Jonathan E. Gage, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 2 hospitals in Middletown, CT and New Haven, CT. NPI 1528083607. 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 Jonathan E. Gage, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
45Years since medical school (graduated 1981)
Perelman School Of Med At The University Of PennsylvaniaMedical school
MaleGender (as listed)
Hartford Healthcare Medical Group Specialists PLLCGroup practice

Quick answers

Which hospitals does Jonathan E. Gage work at?
Medicare's official clinician data lists Jonathan E. Gage at 2 hospitals: Middlesex Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan E. Gage see patients?
Medicare's clinician data lists 1 practice location in New Haven, CT. Call before your visit to confirm the address.
What is Jonathan E. Gage's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Jonathan E. Gage accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan E. Gage 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 Jonathan E. Gage?
(203) 867-5300, as listed in official Medicare / NPI Registry data.
What is Jonathan E. Gage's NPI number?
1528083607. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan E. Gage works

Medicare's Facility Affiliation Data lists Jonathan E. Gage 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 Jonathan E. Gage is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jonathan E. Gage as a member of this group (CMS data updated 2026-10-02).

  • Hartford Healthcare Medical Group Specialists PLLC1,588 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Connecticut →

Other cardiologists in New Haven

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

All cardiologists in New Haven →

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year1981
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528083607
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