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

Individual provider Gastroenterology Physician · NPI 1609833730

Gregor J Koobatian, MD is a Gastroenterology in Middletown, Connecticut. Graduated from University of California, Irvine, California College of Medicine in 1995, 31 years ago. Practices with Middlesex Gastroenterology Associates, LLC, a 13-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
31
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CT
In the registry since
2006
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

410 Saybrook Rd Ste 201
Middletown, CT 06457
Phone: (860) 347-4620
Fax: (860) 346-9687
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 038341 (CT)

Record details

NPI number1609833730
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2006
Last updated in NPPESMarch 25, 2015
Mailing address410 Saybrook Rd, Suite 201, Middletown, CT 06457

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Middlesex Gastroenterology Associates, Llc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Middletown