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Emergency Medicine

Ethan A. Chapin, MD

Works at hospitals in Northampton, MA · Massachusetts

Summary

Ethan A. Chapin, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Northampton, MA. NPI 1386906055. 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 Ethan A. Chapin, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
State University Of New York At Stony Brook, School Of MedicineMedical school
MaleGender (as listed)
Mass General Brigham Medical Group Western Massachusetts IncGroup practice (+1 more)

Quick answers

Which hospitals does Ethan A. Chapin work at?
Medicare's official clinician data lists Ethan A. Chapin at 1 hospital: The Cooley Dickinson Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ethan A. Chapin see patients?
Medicare's clinician data lists 2 practice locations, including Southampton, MA and Northampton, MA. Call before your visit to confirm the address.
What is Ethan A. Chapin's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Ethan A. Chapin accept Medicare assignment?
Yes. Medicare's clinician data says Ethan A. Chapin 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 Ethan A. Chapin?
(413) 527-1105, as listed in official Medicare / NPI Registry data.
What is Ethan A. Chapin's NPI number?
1386906055. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ethan A. Chapin works

Medicare's Facility Affiliation Data lists Ethan A. Chapin 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 Ethan A. Chapin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ethan A. Chapin as a member of these groups (CMS data updated 2026-10-02).

  • Mass General Brigham Medical Group Western Massachusetts Inc291 clinicians in the group
  • Cooley Dickinson Hospital Inc22 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Massachusetts →

Other emergency medicine doctors in Massachusetts

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

All emergency medicine doctors in Massachusetts →

Clinician information

CredentialMD
Medical schoolState University Of New York At Stony Brook, School Of Medicine
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386906055
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