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

Dr. Ronald A. Zlotoff, MD

Individual provider Gastroenterology Physician · NPI 1346229556

Dr. Ronald A. Zlotoff, MD is a Gastroenterology in Waterbury, Connecticut. Graduated from University of Oklahoma College of Medicine in 1977, 49 years ago. Practices with Gaylord Hospital, Inc, a 39-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
49
Trained at
University of Oklahoma 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

140 Grandview Ave Ste 4
Waterbury, CT 06708-2505
Phone: (203) 755-4515
Fax: (203) 755-8129
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 20649 (CT)

Record details

NPI number1346229556
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 16, 2006
Last updated in NPPESOctober 29, 2021
Certification dateOctober 29, 2021

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Gaylord Hospital, Inc. — 39 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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