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

Brian B Guarnotta, MD

Individual provider Pediatrics Physician · NPI 1255319885

Brian B Guarnotta, MD is a Pediatric Medicine in Braintree, Massachusetts. Graduated from University of South Carolina School of Medicine in 1992, 34 years ago. Practices with Atrius Health Inc, a 1,205-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
34
Trained at
University of South Carolina School 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

111 Grossman Dr
Braintree, MA 02184-4997
Phone: (781) 849-2300
Fax: (781) 849-2377
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 159199 (MA)

Record details

NPI number1255319885
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 4, 2006
Last updated in NPPESJanuary 28, 2021
Certification dateJanuary 28, 2021
Mailing address111 Grossman Dr, Braintree, MA 02184-4997

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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