Quick answers
- Which hospitals does Sean P. Thomas work at?
- Medicare's official clinician data lists Sean P. Thomas at 1 hospital: Emerson Hospital -. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean P. Thomas see patients?
- Medicare's clinician data lists 1 practice location in Lexington, MA. Call before your visit to confirm the address.
- What is Sean P. Thomas's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Sean P. Thomas accept Medicare assignment?
- Medicare's clinician data says Sean P. Thomas 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 Sean P. Thomas?
- (781) 862-1620, as listed in official Medicare / NPI Registry data.
- What is Sean P. Thomas's NPI number?
- 1114053717. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean P. Thomas works
Medicare's Facility Affiliation Data lists Sean P. Thomas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Emerson Hospital -W Concord, MA · Acute Care Hospital · CCN 220084
Practice locations
Addresses where Sean P. Thomas is enrolled with Medicare (CMS data updated 2026-10-02).
- 21 Worthen RdLexington, MA 02421 (781) 862‑1620
Group practices
Medicare enrollment lists Sean P. Thomas as a member of these groups (CMS data updated 2026-10-02).
- Lexington Eye Associates - Bid34 clinicians in the group
- Lexington Eye Associates, Inc34 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Lexington
Clinicians with the same Medicare primary specialty in Lexington, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1114053717 |
| 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