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DR. DENNIS O'BRIEN MD
NPI 1376196311
Pediatrics in Ridgefield, CT

Active since July 18, 2019
900 RIDGEBURY RD, RIDGEFIELD, CT 06877(203) 791-6466 Get Directions Write a Review

NPPES record last updated: July 18, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Dennis O'brien Md NPPES

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

DR. DENNIS O'BRIEN MD (NPI 1376196311) is an individual pediatrics provider in Ridgefield, Connecticut, licensed in Illinois (036.118812) and active in the NPI registry since July 2019.

NPPES Registry Identity

NPI1376196311
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. DENNIS O'BRIENCredential: MD
Location Address900 RIDGEBURY RDRidgefield, CT 06877-1058
Mailing Address900 Ridgebury RdRidgefield, CT 06877-1058 · (203) 791-6466
Phone(203) 791-6466
Sole ProprietorNo
Enumeration DateJuly 18, 2019
✔ NPI 1376196311 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036.118812
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.
900 RIDGEBURY RD, Ridgefield, CT 06877
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Other Providers at the Same Location NPPES 3

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

DR. HOLLI ERIN TIERNO PHARMD
Pharmacist
900 RIDGEBURY RD
RIDGEFIELD, CT 06877
Western Connecticut Planning Region (203) 798-9988
PREMISE HEALTH OF CONNECTICUT MEDICAL, P.C.
Clinic/Center (Occupational Medicine)
900 RIDGEBURY RD
RIDGEFIELD, CT 06877
Western Connecticut Planning Region (203) 798-5605
DR. ELLEN G GOLD MD
Internal Medicine (Hematology & Oncology)
900 RIDGEBURY RD
RIDGEFIELD, CT 06877
Western Connecticut Planning Region (203) 791-6862

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 Dennis O'brien's NPI number?

The NPI number for Dennis O'brien is 1376196311. It was assigned to this individual provider in the NPPES registry on July 18, 2019.

Where is Dennis O'brien located?

Dennis O'brien practices at 900 Ridgebury Rd, Ridgefield, CT 06877. The listed phone number is (203) 791-6466.

What is Dennis O'brien's specialty?

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

When was this NPI record last updated?

The NPPES record for Dennis O'brien was last updated on July 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.