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

Dr. Jeffrey T Dreznick, MD

Individual provider Internal Medicine Physician · NPI 1902895436

Dr. Jeffrey T Dreznick, MD is a Gastroenterology in Ansonia, Connecticut. Graduated from Icahn School of Medicine at Mount Sinai in 1984, 42 years ago. Practices with Griffin Faculty Physicians Inc, a 125-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
42
Trained at
Icahn School of Medicine at Mount Sinai
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.

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Practice location Address checks out

22 Westfield Ave
Ansonia, CT 06401-1158
Phone: (203) 736-9919
Fax: (203) 735-2055
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 028004 (CT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 028004 (CT)

Record details

NPI number1902895436
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2005
Last updated in NPPESFebruary 19, 2021
Certification dateFebruary 19, 2021

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1984 (42 years in practice)
Group practice Griffin Faculty Physicians Inc — 125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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