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

Dr. Gregory David Gersten, MD

Individual provider Diagnostic Radiology Physician · NPI 1487688214

Dr. Gregory David Gersten, MD is a Diagnostic Radiology in Southbury, Connecticut. Graduated from Columbia University College of Physicians and Surgeons in 1990, 36 years ago. Practices with Saint Alphonsus Regional Medical Center Inc, a 673-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Connecticut, Idaho and North Dakota.

Years since qualifying
36
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
CT, ID, ND
In the registry since
2006
Specialties on file
5
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

385 Main St S Union Sq
Southbury, CT 06488-4240
Phone: (203) 264-7999
Fax: (203) 264-7477
Show map & directions

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

Additional practice locations (2)

  • 1055 N Curtis Rd, Boise, ID 83706-1309 — (208) 367-4320
  • 3000 32nd Ave S, Fargo, ND 58103-6132 — (701) 364-8000

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 036955 (CT)
Body Imaging Physician Taxonomy 2085B0100X · Licence 036955 (CT)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 4271297 (ID)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 036955 (CT)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 24716 (ND)

Record details

NPI number1487688214
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESAugust 7, 2026
Certification dateAugust 7, 2026
Mailing address385 Main St S, Union Square Bldg #1 C O Nvra Imaging Network, Southbury, CT 06488-4240

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1990 (36 years in practice)
Group practice Saint Alphonsus Regional Medical Center Inc — 673 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations14 on file with Medicare

Other providers in Southbury