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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.

JUSTIN ELLENBERG MD
NPI 1659907103
Emergency Medicine in Hartford, CT

Active since March 17, 2020
80 SEYMOUR ST, HARTFORD, CT 06106(860) 545-5000 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 15, 2026, Mar 26, 2021, Mar 17, 2020 (3 updates tracked since 2020).

About Justin Ellenberg Md NPPES

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

JUSTIN ELLENBERG MD (NPI 1659907103) is an individual emergency medicine provider in Hartford, Connecticut, licensed in Connecticut (86030) and active in the NPI registry since March 2020. He maintains a secondary practice location in Farmington.

NPPES Registry Identity

NPI1659907103
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJUSTIN ELLENBERGCredential: MD
Location Address80 SEYMOUR STHartford, CT 06106-3315
Mailing Address80 Seymour StHartford, CT 06106-3315 · (860) 545-5000
Phone(860) 545-5000
Sole ProprietorNo
Enumeration DateMarch 17, 2020
Last NPPES UpdateJuly 15, 20263 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1659907103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CT · 86030
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License 86030 (CT)
80 SEYMOUR ST, Hartford, CT 06106
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Secondary Practice Location 1

Location 1263 Farmington AveFarmington, CT 06032-1956 · Phone (860) 559-6606

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.

JESSICA MCEWAN CRNA
Nurse Anesthetist, Certified Registered
80 SEYMOUR ST
HARTFORD, CT 06106
Capitol Planning Region (860) 545-5000
CARLY DANIELLE RADCLIFFE
Physician Assistant (Medical)
80 SEYMOUR ST
HARTFORD, CT 06106
Capitol Planning Region (860) 545-5000
ELAINE LACANILAO CRNA
Nurse Anesthetist, Certified Registered
80 SEYMOUR ST
HARTFORD, CT 06106
Capitol Planning Region (860) 545-5000
MICHAEL BRIAN BANIK APRN
Nurse Practitioner (Critical Care Medicine)
80 SEYMOUR ST
HARTFORD, CT 06106
Capitol Planning Region (860) 545-5000
EMILY TRUEBIG
Physician Assistant
80 SEYMOUR ST
HARTFORD, CT 06106
Capitol Planning Region (203) 785-2353
AASYA KOLIA PA-C
Physician Assistant (Medical)
80 SEYMOUR ST
HARTFORD, CT 06106
Capitol Planning Region (860) 972-5022
YASSER A AL-BAGHDADI M.D.
Anesthesiology
80 SEYMOUR ST, ANESTHESIA DEPT
HARTFORD, CT 06106
Capitol Planning Region (860) 545-2117
JILLIAN DZIEDZIC CRNA
Nurse Anesthetist, Certified Registered
80 SEYMOUR ST
HARTFORD, CT 06106
Capitol Planning Region (860) 545-5000

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 Justin Ellenberg's NPI number?

The NPI number for Justin Ellenberg is 1659907103. It was assigned to this individual provider in the NPPES registry on March 17, 2020.

Where is Justin Ellenberg located?

Justin Ellenberg practices at 80 Seymour St, Hartford, CT 06106. The listed phone number is (860) 545-5000.

What is Justin Ellenberg's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Justin Ellenberg was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.