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

Dr. Karen Shanahan Dufour, MD

Individual provider Gastroenterology Physician · NPI 1609859842

Dr. Karen Shanahan Dufour, MD is an Internal Medicine in Orange, Connecticut. Graduated from Warren Alpert Medical School of Brown University in 1984, 42 years ago. Practices with Rehabilitation Associates Inc, a 532-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
42
Trained at
Warren Alpert Medical School of Brown University
Licensed in
CT
In the registry since
2005
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

325 Boston Post Rd
Orange, CT 06477-3504
Phone: (203) 795-0568
Fax: (203) 795-0436
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 028102 (CT)

Record details

NPI number1609859842
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 22, 2005
Last updated in NPPESOctober 10, 2013

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolWARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated 1984 (42 years in practice)
Group practice Rehabilitation Associates Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare