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Cardiovascular Disease (Cardiology)

Mark L. Blitzer, MD

Works at hospitals in Bridgeport, CT · Derby, CT · New London, CT … · Connecticut

Summary

Mark L. Blitzer, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 4 hospitals in Bridgeport, CT, Derby, CT and New London, CT and other places. NPI 1164428207. 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 Mark L. Blitzer, 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
YesOffers telehealth
35Years since medical school (graduated 1991)
Harvard Medical SchoolMedical school
MaleGender (as listed)
Yale UniversityGroup practice

Quick answers

Which hospitals does Mark L. Blitzer work at?
Medicare's official clinician data lists Mark L. Blitzer at 4 hospitals: Bridgeport Hospital, Griffin Hospital, Lawrence & Memorial Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark L. Blitzer see patients?
Medicare's clinician data lists 1 practice location in Norwich, CT. Call before your visit to confirm the address.
What is Mark L. Blitzer's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Mark L. Blitzer accept Medicare assignment?
Yes. Medicare's clinician data says Mark L. Blitzer 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 Mark L. Blitzer offer telehealth?
Medicare's clinician data says Mark L. Blitzer offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mark L. Blitzer?
(860) 886-8673, as listed in official Medicare / NPI Registry data.
What is Mark L. Blitzer's NPI number?
1164428207. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark L. Blitzer works

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

Group practices

Medicare enrollment lists Mark L. Blitzer as a member of this group (CMS data updated 2026-10-02).

  • Yale University2,645 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Connecticut →

Other cardiologists in Norwich

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

All cardiologists in Norwich →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1164428207
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