Quick answers
- Which hospitals does Michael Sun work at?
- Medicare's official clinician data lists Michael Sun at 2 hospitals: Hartford Hospital and St Vincent's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Sun see patients?
- Medicare's clinician data lists 25 practice locations, including Hartford, CT, Storrs, CT and Wethersfield, CT. Call before your visit to confirm the address.
- What is Michael Sun's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Michael Sun accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Sun 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 Sun offer telehealth?
- Medicare's clinician data says Michael Sun offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael Sun?
- (860) 549-7970, as listed in official Medicare / NPI Registry data.
- What is Michael Sun's NPI number?
- 1013448232. 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 Sun works
Medicare's Facility Affiliation Data lists Michael Sun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hartford HospitalHartford, CT · Acute Care Hospital · CCN 070025
- St Vincent's Medical CenterBridgeport, CT · Acute Care Hospital · CCN 070028
Practice locations
Addresses where Michael Sun is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 25; the Medicare profile lists all.
- 100 Retreat AveHartford, CT 06106 (860) 549‑7970
- 111 Park StHartford, CT 06106 (860) 972‑2780
- 118 Main StHartford, CT 06106 (860) 827‑7690
- 119 Washington StHartford, CT 06106 (860) 827‑7690
- 1244 Storrs Rd, RoadStorrs, CT 06268 (860) 724‑2579
Group practices
Medicare enrollment lists Michael Sun as a member of these groups (CMS data updated 2026-10-02).
- Hartford Healthcare Medical Group Specialists PLLC1,588 clinicians in the group
- Hartford Hospital1,044 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Hartford
Clinicians with the same Medicare primary specialty in Hartford, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1013448232 |
| 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