Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1780104968 Individual Practitioner Female Practitioner

Dr. Margaret O.p. Fallon , MD

Pediatrics • Waltham, MA

Professional Overview & Biography Verified Profile Summary

Dr. Margaret Fallon, MD is a registered healthcare professional specializing in Pediatrics in Waltham, MA. Practice services are available at 52 SECOND AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

52 Second Ave

Waltham, MA 024511127

Telephone 6177262000
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Waltham, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 38.7 Yrs
State Avg: 25.7 Yrs
Regional Practice Density
18 Specialists

Practicing in Waltham, MA (2760 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-04-21
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License MA 271340

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Hugh Auchincloss , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1003076522

Doctor of Medicine (M.D.)

Dr. John Danko , DO

Physical Medicine & Rehabilitation

NPI 1003109596

Doctor of Osteopathic Medicine (D.O.)

Elaina Townsend

Nurse Practitioner

NPI 1003202334
Jacqueline Walter , LICSW

Social Worker - Clinical

NPI 1003424805

Licensed Independent Clinical Social Worker

Dr. Justin Sardi , MD

Radiology - Diagnostic Radiology

NPI 1003443839

Doctor of Medicine (M.D.)

NPI 1003478843

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location April 21, 2025

Registered at 52 SECOND AVE, WALTHAM, MA 024511127 (Tel: 6177262000)

📍
Updated Business Mailing Address April 21, 2025

Registered at 55 FRUIT ST, BOSTON, MA 021142621 (Tel: 6177262000)

NPI Profile Active June 20, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location June 20, 2017

Registered at MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., BOSTON, MA 02114 (Tel: 6177262000)

📍
Updated Business Mailing Address June 20, 2017

Registered at MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., BOSTON, MA 02114 (Tel: 6177262000)

👤
Provider Name / Credentials Updated June 20, 2017

Recorded as MARGARET FALLON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 20, 2017

Pediatrics (License #271340 in MA)

🟢
Initial NPI Registration & Enumeration June 20, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1780104968
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 20, 2017
Last Update: April 21, 2025
Sole Proprietor: No

Mailing Address

55 Fruit St

Boston, MA 021142621

Phone: 6177262000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.