Mary Mullen, MD

Pediatric Cardiology Pediatrics

Pediatrics

Mary Mullen is a Pediatric Cardiology Pediatrics specialist based in Boston, MA with over 35 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: PEDIATRIC MEDICINE

(617) 355-6793Boston, MA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Mary Mullen, MD has practiced pediatrics for 35+ years, working in group practice. She graduated from Harvard Medical School in 1991 and has 35+ years of clinical experience. A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems.

1 of 3 Pediatrics providers in MASee all Pediatrics in Boston35+ years experienceNPI since 2005

Older · 5930dNPPES updated 2010-02-26 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine

Contact & Location

Practice Location

300 Longwood Ave, Boston, MA 02115-5724

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1991

    Harvard Medical School

  2. 35 years in practice

    Senior practitioner

PediatricsPediatric Cardiology in BostonAllopathic & Osteopathic Physicians

A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.

Taxonomy: 2080P0202X

Education & Training

Harvard Medical School (Class of 1991)

Practice Footprint

Mailing address

Po Box 9135 Att:Sharon Silva, Brookline, MA 02446-9135

Differs from practice location

Virtual Pediatric Cardiology Care With Mary Mullen

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Mary Mullen for follow-ups, medication reviews, and ongoing care — no travel to Boston required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Mary Mullen

Dr. Mullen is listed as active in the NPI registry with telehealth listed in Boston, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (617) 355-6793.

Verified across 2 federal data sources

Sourced from CMS NPPES · OIG LEIE. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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