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

Individual provider Pediatric Endocrinology Physician · NPI 1790478261

Dr. Sara Mazzantini, MD is an Endocrinology in Boston, Massachusetts. Qualified in 2011, 15 years ago. Practices as a sole proprietor. Licensed in Massachusetts.

Years since qualifying
15
Licensed in
MA
In the registry since
2023
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

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Endocrinology Physician (primary) Taxonomy 2080P0205X · Licence 1025662 (MA)

Record details

NPI number1790478261
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 31, 2023
Last updated in NPPESJuly 8, 2026
Certification dateJuly 8, 2026
Mailing address300 Longwood Ave, Boston, MA 02115-5724

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Accepts Medicare assignment Not indicated

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