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Addiction Medicine

Adam J. Chamberlain, MD

Works at hospitals in Greenfield, MA · Massachusetts

Summary

Adam J. Chamberlain, MD (Addiction Medicine) is listed by Medicare at 1 hospital in Greenfield, MA. NPI 1790216976. 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 Adam J. Chamberlain, 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

Addiction MedicinePrimary specialty
YesAccepts Medicare assignment
9Years since medical school (graduated 2017)
Albert Einstein College Of Medicine Of Yeshiva UniversityMedical school
MaleGender (as listed)
Baystate Medical Practices IncGroup practice (+1 more)

Quick answers

Which hospitals does Adam J. Chamberlain work at?
Medicare's official clinician data lists Adam J. Chamberlain at 1 hospital: Baystate Franklin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Adam J. Chamberlain see patients?
Medicare's clinician data lists 6 practice locations, including Greenfield, MA, Springfield, MA and Holyoke, MA. Call before your visit to confirm the address.
What is Adam J. Chamberlain's specialty?
Medicare lists Addiction Medicine as the primary specialty.
Does Adam J. Chamberlain accept Medicare assignment?
Yes. Medicare's clinician data says Adam J. Chamberlain 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 Adam J. Chamberlain?
(413) 727-1333, as listed in official Medicare / NPI Registry data.
What is Adam J. Chamberlain's NPI number?
1790216976. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Adam J. Chamberlain works

Medicare's Facility Affiliation Data lists Adam J. Chamberlain 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 Adam J. Chamberlain is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

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

  • Baystate Medical Practices Inc1,369 clinicians in the group
  • Behavioral Health Network Inc150 clinicians in the group

Specialties

Find other Addiction Medicine doctors in Massachusetts →

Other addiction medicine doctors in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All addiction medicine doctors in Massachusetts →

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790216976
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