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Emergency Medicine

Michael Kellner, MD

Works at hospitals in New Britain, CT · Connecticut

Summary

Michael Kellner, MD (Emergency Medicine) is listed by Medicare at 1 hospital in New Britain, CT. NPI 1225423338. 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 Michael Kellner, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
Columbia University College Of Physicians And SurgeonsMedical school
MaleGender (as listed)
The Hospital of Central Connecticut at New Britain General and BradleyGroup practice

Quick answers

Which hospitals does Michael Kellner work at?
Medicare's official clinician data lists Michael Kellner 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 Kellner see patients?
Medicare's clinician data lists 2 practice locations, including New Britain, CT and Southington, CT. Call before your visit to confirm the address.
What is Michael Kellner's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Michael Kellner accept Medicare assignment?
Yes. Medicare's clinician data says Michael Kellner 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 Kellner?
(860) 224-5011, as listed in official Medicare / NPI Registry data.
What is Michael Kellner's NPI number?
1225423338. 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 Kellner works

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

Group practices

Medicare enrollment lists Michael Kellner as a member of this group (CMS data updated 2026-10-02).

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

Specialties

Find other Emergency Medicine doctors in Connecticut →

Other emergency medicine doctors in New Britain

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

All emergency medicine doctors in New Britain →

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225423338
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