Quick answers
- Which hospitals does David M. Stein work at?
- Medicare's official clinician data lists David M. Stein at 4 hospitals: Metrowest Medical Center, Milford Regional Medical Center, St Vincent Hospital and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David M. Stein see patients?
- Medicare's clinician data lists 1 practice location in Westborough, MA. Call before your visit to confirm the address.
- What is David M. Stein's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does David M. Stein accept Medicare assignment?
- Yes. Medicare's clinician data says David M. Stein 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 M. Stein offer telehealth?
- Medicare's clinician data says David M. Stein offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David M. Stein?
- (508) 366-8836, as listed in official Medicare / NPI Registry data.
- What is David M. Stein's NPI number?
- 1245729656. 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 M. Stein works
Medicare's Facility Affiliation Data lists David M. Stein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Metrowest Medical CenterFramingham, MA · Acute Care Hospital · CCN 220175
- Milford Regional Medical CenterMilford, MA · Acute Care Hospital · CCN 220090
- St Vincent HospitalWorcester, MA · Acute Care Hospital · CCN 220176
- UMass Memorial Medical Center/University CampusWorcester, MA · Acute Care Hospital · CCN 220163
Practice locations
Addresses where David M. Stein is enrolled with Medicare (CMS data updated 2026-10-02).
- 900 Union StWestborough, MA 01581 (508) 366‑8836
Group practices
Medicare enrollment lists David M. Stein as a member of this group (CMS data updated 2026-10-02).
- Reliant Medical Group Inc640 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Westborough
Clinicians with the same Medicare primary specialty in Westborough, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245729656 |
| 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