Quick answers
- Which hospitals does Ehsan Ansari work at?
- Medicare's official clinician data lists Ehsan Ansari at 5 hospitals: Danbury Hospital, Griffin Hospital, Saint Mary's Hospital, Waterbury Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ehsan Ansari see patients?
- Medicare's clinician data lists 2 practice locations, including Waterbury, CT. Call before your visit to confirm the address.
- What is Ehsan Ansari's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Ehsan Ansari accept Medicare assignment?
- Medicare's clinician data says Ehsan Ansari may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Ehsan Ansari?
- (203) 573-1435, as listed in official Medicare / NPI Registry data.
- What is Ehsan Ansari's NPI number?
- 1841236312. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ehsan Ansari works
Medicare's Facility Affiliation Data lists Ehsan Ansari at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Danbury HospitalDanbury, CT · Acute Care Hospital · CCN 070033
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
- Saint Mary's HospitalWaterbury, CT · Acute Care Hospital · CCN 070016
- Waterbury HospitalWaterbury, CT · Acute Care Hospital · CCN 070005
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Ehsan Ansari is enrolled with Medicare (CMS data updated 2026-10-02).
- 455 Chase PkwyWaterbury, CT 06708 (203) 573‑1435
- 64 Robbins StWaterbury, CT 06708 (203) 573‑6263
Group practices
Medicare enrollment lists Ehsan Ansari as a member of these groups (CMS data updated 2026-10-02).
- Prospect Ct Medical Foundation Inc282 clinicians in the group
- Uconn Health Community Network Medical Group, Inc.78 clinicians in the group
- Cardiology Associates of Greater Waterbury, LLC6 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Connecticut →
Other cardiologists in Waterbury
Clinicians with the same Medicare primary specialty in Waterbury, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1841236312 |
| 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