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

John Defrancisco

Individual provider Medical Physician Assistant · NPI 1427922418

John Defrancisco is a Medical Physician Assistant in Boston, Massachusetts. Registered with an NPI since 2025.

In the registry since
2025

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

Medical Physician Assistant (primary) Taxonomy 363AM0700X

Record details

NPI number1427922418
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 2, 2025
Last updated in NPPESOctober 2, 2025
Certification dateOctober 2, 2025
Mailing address300 Longwood Ave, Boston, MA 02115-5724

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