Quick answers
- Which hospitals does David B. Sommer work at?
- Medicare's official clinician data lists David B. Sommer at 2 hospitals: St Vincent Hospital and UMass Memorial Health - Harrington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David B. Sommer see patients?
- Medicare's clinician data lists 2 practice locations, including Worcester, MA and Westborough, MA. Call before your visit to confirm the address.
- What is David B. Sommer's specialty?
- Medicare lists Neurology as the primary specialty.
- Does David B. Sommer accept Medicare assignment?
- Yes. Medicare's clinician data says David B. Sommer 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 David B. Sommer offer telehealth?
- Medicare's clinician data says David B. Sommer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David B. Sommer?
- (508) 363-5000, as listed in official Medicare / NPI Registry data.
- What is David B. Sommer's NPI number?
- 1144490533. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David B. Sommer works
Medicare's Facility Affiliation Data lists David B. Sommer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Vincent HospitalWorcester, MA · Acute Care Hospital · CCN 220176
- UMass Memorial Health - Harrington HospitalSouthbridge, MA · Acute Care Hospital · CCN 220019
Practice locations
Addresses where David B. Sommer is enrolled with Medicare (CMS data updated 2026-10-02).
- 123 Summer StWorcester, MA 01608 (508) 363‑5000
- 33 Lyman St, Suite 400Westborough, MA 01581 (508) 898‑0055
Group practices
Medicare enrollment lists David B. Sommer as a member of these groups (CMS data updated 2026-10-02).
- Reliant Medical Group Inc640 clinicians in the group
- Community Neuroscience Services LLC23 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Worcester
Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1144490533 |
| 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