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

Dr. Brett Simchowitz, MD, MPH

Individual provider Internal Medicine Physician · NPI 1225441272

Dr. Brett Simchowitz, MD, MPH is an Internal Medicine in Boston, Massachusetts. Graduated from University of California, San Francisco School of Medicine in 2014, 12 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
12
Trained at
University of California, San Francisco School of Medicine
Licensed in
MA
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

55 Fruit St
Boston, MA 02114-2696
Phone: (617) 724-3874
Fax: (617) 643-4085
Show map & directions

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

Additional practice locations (1)

  • 75 Francis St, Boston, MA 02115-6106 — (617) 732-5500

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 259558 (MA)

Record details

NPI number1225441272
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedJune 7, 2014
Last updated in NPPESJanuary 9, 2026
Certification dateJanuary 9, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Boston