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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.

JOHN DEFRANCE M.D.
NPI 1679515381
Surgery in Danbury, CT

Active since June 10, 2006
27 HOSPITAL AVE, DANBURY, CT 06810(203) 797-1811 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About John Defrance M.d. NPPES

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

JOHN DEFRANCE M.D. (NPI 1679515381) is an individual surgery provider in Danbury, Connecticut, licensed in Connecticut (017831) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1679515381
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameJOHN DEFRANCECredential: M.D.
Location Address27 HOSPITAL AVEDanbury, CT 06810-5954
Mailing Address27 Hospital AveDanbury, CT 06810-5954 · (203) 797-1811
Phone(203) 797-1811
Sole ProprietorNo
Enumeration DateJune 10, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1679515381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CT · 017831
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
27 HOSPITAL AVE, Danbury, CT 06810
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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.

ANDREW KELLER M.D.
Internal Medicine (Cardiovascular Disease)
27 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 797-7155
SANTHA T. KURIEN, MD PC
Community/Behavioral Health
27 HOSPITAL AVE, SUITE 304
DANBURY, CT 06810
Western Connecticut Planning Region (203) 743-3833
DR. KENNETH A MILLER MD
Internal Medicine (Rheumatology)
27 HOSPITAL AVE, SUITE 205
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-0599
WILLIAM A NOTARO MD
Dermatology
27 HOSPITAL AVE, SUITE 406
DANBURY, CT 06810
Western Connecticut Planning Region (203) 790-7585
MRS. SYDNEY S PAGE PA
Physician Assistant (Medical)
27 HOSPITAL AVE, SUITE 205
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-0599
ANDREA NATHANS PSY.D.
Psychologist
27 HOSPITAL AVE, SUITE 402
DANBURY, CT 06810
Western Connecticut Planning Region (203) 778-6440
BETH LOUISE HARPLE PA-C
Physician Assistant
27 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 798-0500
MAUREEN LORE APRN
Nurse Practitioner (Family)
27 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 730-2900

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 John Defrance's NPI number?

The NPI number for John Defrance is 1679515381. It was assigned to this individual provider in the NPPES registry on June 10, 2006.

Where is John Defrance located?

John Defrance practices at 27 Hospital Ave, Danbury, CT 06810. The listed phone number is (203) 797-1811.

What is John Defrance's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for John Defrance 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 43 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.