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

Carl W Nissen, MD

Individual provider Pediatric Orthopaedic Surgery Physician · NPI 1982601530

Carl W Nissen, MD is a Sports Medicine in Hartford, Connecticut. Graduated from University of Connecticut School of Medicine in 1990, 36 years ago. Licensed in Connecticut.

Years since qualifying
36
Trained at
University of Connecticut School of Medicine
Licensed in
CT
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

31 Seymour St Ste 204
Hartford, CT 06106-5505
Phone: (860) 421-3233
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 033613 (CT)
Pediatric Orthopaedic Surgery Physician Taxonomy 207XP3100X · Licence 033613 (CT)
Sports Medicine (Orthopaedic Surgery) Physician Taxonomy 207XX0005X · Licence 33613 (CT)

Record details

NPI number1982601530
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2005
Last updated in NPPESNovember 19, 2025
Certification dateNovember 19, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtySPORTS MEDICINE
Also practisesORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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