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

Cassandra R Duffy, MDMPH

Individual provider Maternal & Fetal Medicine Physician · NPI 1770840274

Cassandra R Duffy, MDMPH is a Maternal & Fetal Medicine Physician in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2012

Practice location Address checks out

330 Brookline Ave
Boston, MA 02215-5400
Phone: (617) 667-2636
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence 278272 (MA)

Record details

NPI number1770840274
Entity typeIndividual (Type 1)
GenderFemale
Credentials MDMPH
Sole proprietorYes
NPI enumeratedApril 20, 2012
Last updated in NPPESNovember 19, 2025
Certification dateNovember 19, 2025
Mailing address8 Belmore Ter Apt 1, Jamaica Plain, MA 02130-4900

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