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

Internal Medicine

Mary F. Adler, MD

Sees patients in Easthampton, MA · Amherst, MA · Massachusetts

Summary

Dr. Mary F. Adler, MD is an internal medicine doctor at 238 Northampton St, Easthampton, MA 01027. Phone: (413) 529-9300. Accepts Medicare assignment. NPI 1508894676. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 238 Northampton St, Easthampton, MA 01027 · Directions (1 more location)
  • Phone: (413) 529‑9300
  • Medicare: Accepts Medicare assignment
  • Group practice: Valley Medical Group PC
  • Medical school: Js Weill Medical College, Cornell University · graduated 1994 (32 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary F. Adler, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mary F. Adler accept Medicare assignment?
Yes. Medicare's clinician data says Mary F. Adler accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Mary F. Adler's NPI number?
1508894676. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mary F. Adler is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary F. Adler as a member of this group (CMS data updated October 2, 2026).

  • Valley Medical Group PC108 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Massachusetts

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

All internal medicine doctors in Massachusetts →

Other clinicians in Valley Medical Group PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolJs Weill Medical College, Cornell University
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508894676
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians