Quick answers
- Which hospitals does David J. Altszuler work at?
- Medicare's official clinician data lists David J. Altszuler at 5 hospitals: Griffin Hospital, Hartford Hospital, Middlesex Hospital, Midstate Medical Center and The Hospital of Central Connecticut. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David J. Altszuler see patients?
- Medicare's clinician data lists 19 practice locations, including Hartford, CT and Wallingford, CT. Call before your visit to confirm the address.
- What is David J. Altszuler's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does David J. Altszuler accept Medicare assignment?
- Yes. Medicare's clinician data says David J. Altszuler 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 David J. Altszuler?
- (860) 549-7970, as listed in official Medicare / NPI Registry data.
- What is David J. Altszuler's NPI number?
- 1003177965. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David J. Altszuler works
Medicare's Facility Affiliation Data lists David J. Altszuler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
- Hartford HospitalHartford, CT · Acute Care Hospital · CCN 070025
- Middlesex HospitalMiddletown, CT · Acute Care Hospital · CCN 070020
- Midstate Medical CenterMeriden, CT · Acute Care Hospital · CCN 070017
- The Hospital of Central ConnecticutNew Britain, CT · Acute Care Hospital · CCN 070035
Practice locations
Addresses where David J. Altszuler is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 19; the Medicare profile lists all.
- 100 Retreat AveHartford, CT 06106 (860) 549‑7970
- 1062 Barnes Rd, Suite 300Wallingford, CT 06492 (203) 265‑9831
- 111 Park StHartford, CT 06106 (860) 972‑2780
- 118 Main StHartford, CT 06106 (860) 827‑7690
- 119 Washington StHartford, CT 06106 (860) 827‑7690
Group practices
Medicare enrollment lists David J. Altszuler as a member of these groups (CMS data updated 2026-10-02).
- Hartford Hospital1,044 clinicians in the group
- Midstate Medical Center186 clinicians in the group
- Consulting Cardiologists PC23 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Connecticut →
Other cardiologists in Hartford
Clinicians with the same Medicare primary specialty in Hartford, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003177965 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians