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

Dr. Thomas C Gniadek, MD

Individual provider Internal Medicine Physician · NPI 1972591931

Dr. Thomas C Gniadek, MD is an Endocrinology in Waterbury, Connecticut. Graduated from University of Connecticut School of Medicine in 1976, 50 years ago. Practices with Trinity Health of New England Provider Network Organization Inc, a 635-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
50
Trained at
University of Connecticut 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.

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Practice location Address checks out

1389 W Main St Ste 224
Waterbury, CT 06708
Phone: (203) 755-7711
Fax: (203) 755-8996
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 19477 (CT)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 19477 (CT)

Record details

NPI number1972591931
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 12, 2005
Last updated in NPPESNovember 9, 2021
Certification dateNovember 9, 2021

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 1976 (50 years in practice)
Group practice Trinity Health Of New England Provider Network Organization Inc — 635 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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