DR. MARGARET M O'NEILL MD
NPI 1942319157
Pediatrics - Adolescent Medicine in West Hartford, CT

Q: What is Margaret O'neill's NPI number?

The NPI number for Margaret O'neill is 1942319157. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Q: What is Margaret O'neill's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Q: When was this NPI record last updated?

The NPPES record for Margaret O'neill was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since August 30, 2006

970 FARMINGTON AVE STE 201, WEST HARTFORD, CT 06107(860) 561-4300(860) 561-1635 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Margaret M O'neill Md NPPES

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

DR. MARGARET M O'NEILL MD (NPI 1942319157) is an individual adolescent medicine provider in West Hartford, Connecticut, licensed in Connecticut (035312) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1942319157

Entity TypeIndividualFemale

Primary Taxonomy2080A0000X

Provider Legal NameDR. MARGARET M O'NEILLCredential: MD

Location Address970 FARMINGTON AVE STE 201West Hartford, CT 06107-2134

Mailing Address970 Farmington Ave Ste 201West Hartford, CT 06107-2134 · (860) 561-4300 · Fax (860) 561-1635

Phone(860) 561-4300

Fax(860) 561-1635

Sole ProprietorNo

Enumeration DateAugust 30, 2006

Last NPPES UpdateJuly 9, 2007

✔ NPI 1942319157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080A0000X

License✔ Licensed in CT · 035312

Definition

A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

970 FARMINGTON AVE STE 201, West Hartford, CT 06107

Open in Google Maps ↗

Other Identifiers 7

Other035312CT · Connecticare

OtherP2089091CT · Oxford

Other9046149CT · Cigna

Medicaid00135312700CT

Other010035312CT02CT · Anthem Blue Cross Blue Sh

Other2883835CT · Aetna

Other2V2626CT · Healthnet

Other Providers at the Same Location NPPES

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

KELLY SMITH MD

Pediatrics

970 FARMINGTON AVE STE 201
WEST HARTFORD, CT 06107

Capitol Planning Region (860) 561-4300

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 Margaret O'neill's NPI number?

The NPI number for Margaret O'neill is 1942319157. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Margaret O'neill located?

Margaret O'neill practices at 970 Farmington Ave Ste 201, West Hartford, CT 06107. The listed phone number is (860) 561-4300.

What is Margaret O'neill's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

When was this NPI record last updated?

The NPPES record for Margaret O'neill was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.