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

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1033565668

Dr. Mary Brennan, MD is a Pediatric Medicine in Valhalla, New York. Qualified in 2016, 10 years ago. Practices with Boston Children's Health Physicians LLP, a 82-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
10
Licensed in
NY
In the registry since
2016
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

100 Woods Rd
Valhalla, NY 10595-1530
Phone: (914) 493-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 300557 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1033565668
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2016
Last updated in NPPESAugust 29, 2019

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Boston Children'S Health Physicians Llp — 82 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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