Quick answers
- Which hospitals does Michael S. Tcheyan work at?
- Medicare's official clinician data lists Michael S. Tcheyan at 3 hospitals: Cambridge Health Alliance, Nantucket Cottage Hospital and York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael S. Tcheyan see patients?
- Medicare's clinician data lists 4 practice locations, including Everett, MA, Cambridge, MA and York, ME. Call before your visit to confirm the address.
- What is Michael S. Tcheyan's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Michael S. Tcheyan accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Tcheyan 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 Michael S. Tcheyan?
- (617) 389-6270, as listed in official Medicare / NPI Registry data.
- What is Michael S. Tcheyan's NPI number?
- 1972162881. 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 S. Tcheyan works
Medicare's Facility Affiliation Data lists Michael S. Tcheyan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cambridge Health AllianceCambridge, MA · Acute Care Hospital · CCN 220011
- Nantucket Cottage HospitalNantucket, MA · Acute Care Hospital · CCN 220177
- York HospitalYork, ME · Acute Care Hospital · CCN 200020
Practice locations
Addresses where Michael S. Tcheyan is enrolled with Medicare (CMS data updated 2026-10-02).
- 103 Garland StEverett, MA 02149 (617) 389‑6270
- 1493 Cambridge StCambridge, MA 02139 (617) 665‑1000
- 15 Hospital DrYork, ME 03909 (207) 373‑6000
- 57 Prospect StNantucket, MA 02554 (508) 825‑8100
Group practices
Medicare enrollment lists Michael S. Tcheyan as a member of these groups (CMS data updated 2026-10-02).
- Cambridge Public Health Commission656 clinicians in the group
- York Hospital198 clinicians in the group
- Bluewater Emergency Partners of Brunswick, LLC154 clinicians in the group
- Nantucket Cottage Hospital87 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Everett
Clinicians with the same Medicare primary specialty in Everett, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972162881 |
| 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