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

Dr. Stephanie Ann Massaro, MD, MPH

Individual provider Pediatric Hematology & Oncology Physician · NPI 1851534481

Dr. Stephanie Ann Massaro, MD, MPH is a Pediatric Medicine in New Haven, Connecticut. Graduated from Albany Medical College of Union University in 2003, 23 years ago. Practices with Yale University, a 2,618-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
23
Trained at
Albany Medical College of Union University
Licensed in
CT
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

333 Cedar St Lmp 2073
New Haven, CT 06520-8064
Phone: (203) 785-4640
Fax: (203) 737-2228
Show map & directions

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

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 047534 (CT)

Record details

NPI number1851534481
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedApril 13, 2009
Last updated in NPPESApril 13, 2009

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesHEMATOLOGY/ONCOLOGY
Medical schoolALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
Graduated 2003 (23 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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