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

Mert Rusen Gulsen, MD

Individual provider Internal Medicine Physician · NPI 1255129649

Mert Rusen Gulsen, MD is an Internal Medicine Physician in Cambridge, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2025.

Licensed in
MA
In the registry since
2025
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

330 Mount Auburn St
Cambridge, MA 02138-5597
Phone: (646) 591-3823
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 3018538 (MA)

Record details

NPI number1255129649
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 28, 2025
Last updated in NPPESApril 28, 2025
Certification dateApril 27, 2025

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