Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Justin Ellenberg, MD

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1659907103

Justin Ellenberg, MD is a Critical Care Medicine (Anesthesiology) Physician in Hartford, Connecticut. Licensed in Connecticut. Registered with an NPI since 2020.

Licensed in
CT
In the registry since
2020
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

80 Seymour St
Hartford, CT 06106-3315
Phone: (860) 545-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 86030 (CT)
Critical Care Medicine (Anesthesiology) Physician Taxonomy 207LC0200X · Licence 86030 (CT)

Record details

NPI number1659907103
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 17, 2020
Last updated in NPPESJuly 15, 2026
Certification dateJuly 15, 2026

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