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Emergency Medicine

Marlee Thomas, DO

Sees patients in Springfield, MA · Massachusetts

Summary

Marlee Thomas, DO (Emergency Medicine) is enrolled with Medicare at 1 practice location in Springfield, MA. NPI 1437736014. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marlee Thomas, 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
5Years since medical school (graduated 2021)
FemaleGender (as listed)
Baystate Medical Practices IncGroup practice

Quick answers

Where does Marlee Thomas see patients?
Medicare's clinician data lists 1 practice location in Springfield, MA. Call before your visit to confirm the address.
What is Marlee Thomas's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Marlee Thomas accept Medicare assignment?
Yes. Medicare's clinician data says Marlee Thomas 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 Marlee Thomas?
(413) 794-8121, as listed in official Medicare / NPI Registry data.
What is Marlee Thomas's NPI number?
1437736014. 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 Marlee Thomas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marlee Thomas as a member of this group (CMS data updated 2026-10-02).

  • Baystate Medical Practices Inc1,369 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Massachusetts →

Other emergency medicine doctors in Springfield

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

All emergency medicine doctors in Springfield →

Clinician information

CredentialDO
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437736014
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 2026-10-02, retrieved 2026-10-29
  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