Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hospitalist

Sam J. Bloom, DO

Works at hospitals in Milford, MA · Worcester, MA · Massachusetts

Summary

Sam J. Bloom, DO (Hospitalist) is listed by Medicare at 2 hospitals in Milford, MA and Worcester, MA. NPI 1972063311. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sam J. Bloom, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

HospitalistPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
New York College Of Osteo Medicine Of New York Institute Of TechnologyMedical school
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice (+2 more)

Quick answers

Which hospitals does Sam J. Bloom work at?
Medicare's official clinician data lists Sam J. Bloom at 2 hospitals: Milford Regional Medical Center and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sam J. Bloom see patients?
Medicare's clinician data lists 4 practice locations, including Worcester, MA, Milford, MA and Marlborough, MA. Call before your visit to confirm the address.
What is Sam J. Bloom's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Sam J. Bloom accept Medicare assignment?
Yes. Medicare's clinician data says Sam J. Bloom 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 Sam J. Bloom?
(508) 334-1000, as listed in official Medicare / NPI Registry data.
What is Sam J. Bloom's NPI number?
1972063311. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sam J. Bloom works

Medicare's Facility Affiliation Data lists Sam J. Bloom at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Sam J. Bloom is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sam J. Bloom as a member of these groups (CMS data updated 2026-10-02).

  • UMass Memorial Medical Group Inc2,516 clinicians in the group
  • Milford Regional Physician Group, Inc.210 clinicians in the group
  • Marlborough Hospitalist Group PLLC27 clinicians in the group

Specialties

Find other Hospitalist doctors in Massachusetts →

Other hospitalists in Worcester

Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.

All hospitalists in Worcester →

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972063311
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians