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

Mark Thomas Brown, MD

Individual provider Otolaryngology Physician · NPI 1023024395

Mark Thomas Brown, MD is an Otolaryngology in Concord, Massachusetts. Graduated from Baylor College of Medicine in 1989, 37 years ago. Practices with Massachusetts Eye and Ear Associates, Inc, a 410-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
37
Trained at
Baylor College of Medicine
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

54 Baker Avenue Ext Ste 303
Concord, MA 01742-2139
Phone: (978) 369-8780
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 79299 (MA)

Record details

NPI number1023024395
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESNovember 16, 2022
Certification dateNovember 16, 2022
Mailing address54 Baker Avenue Ext Ste 303, Concord, MA 01742-2139

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Massachusetts Eye And Ear Associates, Inc — 410 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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