National Provider Identifier Database

CASSANDRA R DUFFY, M.D. M.P.H. – NPI #1770840274
Maternal & Fetal Medicine

An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.


Contact Information

CASSANDRA R DUFFY, M.D. M.P.H.
330 BROOKLINE AVE
BOSTON, MA02215-5400
Phone: 617-667-2636
Fax:
Website:
Specialty Taxonomy Code
* Maternal & Fetal Medicine 207VM0101X

* Indicates primary specialty

NPI Profile & details for CASSANDRA R DUFFY

NPI Number 1770840274
Credentials M.D. M.P.H.
Entity Individual
Enumeration date 04/20/2012
Last updated 11/19/2025 - About 7 months ago
Sole proprietor1 Yes
Identifiers
  • MA License #: 278272
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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