Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marlee Diana Thomas, DO

Individual provider Emergency Medicine Physician · NPI 1437736014

Marlee Diana Thomas, DO is an Emergency Medicine in Springfield, Massachusetts. Qualified in 2021, 5 years ago. Practices with Baystate Medical Practices Inc, a 1,346-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts and Ohio.

Years since qualifying
5
Licensed in
MA, OH
In the registry since
2021
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

759 Chestnut St # S6538
Springfield, MA 01107-1619
Phone: (413) 794-3233
Fax: (413) 794-9060
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 115 W Silver St, Westfield, MA 01085-3678 — (413) 571-0000
  • 5100 W Broad St, Columbus, OH 43228-1607 — (614) 544-1000

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 1022823 (MA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 34.016548 (OH)

Record details

NPI number1437736014
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 28, 2021
Last updated in NPPESNovember 17, 2025
Certification dateNovember 17, 2025
Mailing address280 Chestnut St Fl 2, Springfield, MA 01199-1001

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Baystate Medical Practices Inc — 1346 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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