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

Jason Shaffer, MD

Individual provider Family Medicine Physician · NPI 1043898273

Jason Shaffer, MD is a Family Practice in Somerville, Massachusetts. Graduated from University of Massachusetts Medical School in 2021, 5 years ago. Practices with Mass General Brigham Medical Group Northern Massachusetts Inc, a 819-clinician group and accepts Medicare assignment. Licensed in Massachusetts and Rhode Island.

Years since qualifying
5
Trained at
University of Massachusetts Medical School
Licensed in
MA, RI
In the registry since
2021
Specialties on file
4
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

300 Broadway
Somerville, MA 02145-2935
Phone: (401) 737-7010
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 1018961 (MA)
Family Medicine Physician Taxonomy 207Q00000X · Licence 1043898273 (RI)
Family Medicine Physician Taxonomy 207Q00000X · Licence LP05391 (RI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1043898273
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2021
Last updated in NPPESNovember 4, 2024
Certification dateNovember 4, 2024
Mailing address455 Toll Gate Rd, Warwick, RI 02886-2759

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 2021 (5 years in practice)
Group practice Mass General Brigham Medical Group Northern Massachusetts Inc — 819 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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