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

Mary Mullen, MD

Individual provider Pediatrics Physician · NPI 1831180157

Mary Mullen, MD is a Cardiovascular Disease (Cardiology) in Boston, Massachusetts. Graduated from Harvard Medical School in 1991, 35 years ago. Practices with Boston Childrens Heart Foundation Inc, a 99-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
35
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2005
Specialties on file
2
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) 355-6793
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence 78779 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence 78779 (MA)

Record details

NPI number1831180157
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 4, 2005
Last updated in NPPESFebruary 26, 2010
Mailing addressPo Box 9135, Att:Sharon Silva, Brookline, MA 02446-9135

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesPEDIATRIC MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1991 (35 years in practice)
Group practice Boston Childrens Heart Foundation Inc — 99 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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