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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CALLY GWON M.D.
NPI 1285690941
Pediatrics in Newton, MA

Active since April 21, 2006
2000 WASHINGTON ST, SUITE 468, NEWTON, MA 02462(617) 965-6700(617) 965-5239 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Cally Gwon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CALLY GWON M.D. (NPI 1285690941) is an individual pediatrics provider in Newton, Massachusetts, licensed in Massachusetts (204508) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1285690941
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. CALLY GWONCredential: M.D.
Location Address2000 WASHINGTON ST, SUITE 468Newton, MA 02462-1650
Mailing Address2000 Washington Street, Suite 468Newton, MA 02462 · (617) 965-6700 · Fax (617) 965-5239
Phone(617) 965-6700
Fax(617) 965-5239
Sole ProprietorNo
Enumeration DateApril 21, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1285690941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 204508
Definition
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.
2000 WASHINGTON ST, Newton, MA 02462
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRUCE ALDEN THAYER M.D.
Surgery
2000 WASHINGTON ST, SUITE 665
NEWTON, MA 02462
Middlesex County (617) 243-3724
DR. MATTHIAS BERNARD DONELAN MD
Plastic Surgery
2000 WASHINGTON ST
NEWTON LOWER FALLS, MA 02462
Middlesex County (617) 244-0990
DR. BRINDA TRIVEDI GUPTA MD
Pediatrics
2000 WASHINGTON ST, SUITE 466
NEWTON, MA 02462
Middlesex County (617) 969-8989
NEW ENGLAND EAR NOSE AND THROAT LLC
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
2000 WASHINGTON ST, SUITE 544 WHITE BUILDING
NEWTON, MA 02462
Middlesex County (617) 910-0368
NICHOLAS MICHAEL MASCOLI III M.D.
Internal Medicine
2000 WASHINGTON ST, SUITE 546
NEWTON LOWER FALLS, MA 02462
Middlesex County (617) 964-5020
BRUCE M. LESLIE M.D.
Orthopaedic Surgery (Hand Surgery)
2000 WASHINGTON ST, SUITE 341
NEWTON, MA 02462
Middlesex County (617) 964-0024
TARA A GRABOWSKY M.D.
Internal Medicine
2000 WASHINGTON ST, SUITE 441
NEWTON, MA 02462
Middlesex County (617) 964-9070
ANN WANG-DOHLMAN, MD, PC
Allergy & Immunology (Allergy)
2000 WASHINGTON ST, SUITE 205
NEWTON, MA 02462
Middlesex County (617) 527-3440

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cally Gwon's NPI number?

The NPI number for Cally Gwon is 1285690941. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Where is Cally Gwon located?

Cally Gwon practices at 2000 Washington St Suite 468, Newton, MA 02462. The listed phone number is (617) 965-6700.

What is Cally Gwon's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

What insurance does Cally Gwon accept?

Health plans from Anthem Blue Cross and Blue Shield list Cally Gwon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cally Gwon was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.