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

Dr. Regina Onic Hillsman, MD

Individual provider Adult Reconstructive Orthopaedic Surgery Physician · NPI 1649256165

Dr. Regina Onic Hillsman, MD is an Orthopedic Surgery in Southbury, Connecticut. Graduated from George Washington University School of Medicine in 1977, 49 years ago. Works from 2 locations and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
49
Trained at
George Washington University School of Medicine
Licensed in
CT
In the registry since
2005
Specialties on file
2
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

2 Pomperaug Ofc Park Ste 308
Southbury, CT 06488-2293
Phone: (203) 586-1181
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1183 New Haven Rd, Naugatuck, CT 06770-5033 — (203) 729-6335

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 21015 (CT)
Adult Reconstructive Orthopaedic Surgery Physician Taxonomy 207XS0114X · Licence 21015 (CT)

Record details

NPI number1649256165
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 16, 2005
Last updated in NPPESMarch 7, 2023
Certification dateFebruary 15, 2023

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount