Quick answers
- Which hospitals does Michael Chen work at?
- Medicare's official clinician data lists Michael Chen at 3 hospitals: Greenwich Hospital Association -, Griffin Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Chen see patients?
- Medicare's clinician data lists 7 practice locations, including Guilford, CT, New Haven, CT and Greenwich, CT. Call before your visit to confirm the address.
- What is Michael Chen's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Advanced Heart Failure and Transplant Cardiology and Internal Medicine.
- Does Michael Chen accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Chen 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 Michael Chen offer telehealth?
- Medicare's clinician data says Michael Chen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael Chen?
- (203) 747-7300, as listed in official Medicare / NPI Registry data.
- What is Michael Chen's NPI number?
- 1861649766. 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 Chen works
Medicare's Facility Affiliation Data lists Michael Chen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · CCN 070018
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Michael Chen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 111 Goose LnGuilford, CT 06437 (203) 747‑7300
- 1450 Chapel St BNew Haven, CT 06511
- 20 York StNew Haven, CT 06510
- 5 Perryridge RdGreenwich, CT 06830 (203) 863‑3000
- 6 Devine StNorth Haven, CT 06473 (203) 287‑6100
Group practices
Medicare enrollment lists Michael Chen as a member of these groups (CMS data updated 2026-10-02).
- Yale University2,645 clinicians in the group
- Greenwich Hospital76 clinicians in the group
Specialties
- Cardiovascular Disease (Cardiology)primary
- Advanced Heart Failure and Transplant Cardiologyalso
- Internal Medicinealso
Find other Cardiovascular Disease (Cardiology) doctors in Connecticut →
Other cardiologists in Guilford
Clinicians with the same Medicare primary specialty in Guilford, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1861649766 |
| 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