RONALD A. ZLOTOFF, M.D., F.A.C.P., LLC
NPI 1922129014
Internal Medicine - Gastroenterology in Waterbury, CT

Q: What is Ronald A. Zlotoff, M.D., F.A.C.P., LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Active since April 03, 2007

140 GRANDVIEW AVE, LOWER LEVEL SUITE 4, WATERBURY, CT 06708(203) 755-4515(203) 755-8129 Get Directions Write a Review

NPPES record last updated: March 21, 2011. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Ronald A. Zlotoff, M.d., F.a.c.p., Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RONALD A. ZLOTOFF, M.D., F.A.C.P., LLC (NPI 1922129014) is a healthcare organization registered as a gastroenterology in Waterbury, Connecticut and active in the NPI registry since April 2007. The organization lists Ronald A Zlotoff, Owner, as its authorized official.

NPPES Registry Identity

NPI1922129014

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameRONALD A. ZLOTOFF, M.D., F.A.C.P., LLC

Location Address140 GRANDVIEW AVE, LOWER LEVEL SUITE 4Waterbury, CT 06708-2505

Mailing Address140 Grandview Ave, Lower Level Suite 4Waterbury, CT 06708-2505 · (203) 755-4515 · Fax (203) 755-8129

Phone(203) 755-4515

Fax(203) 755-8129

Organization SubpartNo

Authorized OfficialRonald A ZlotoffOwner · (203) 755-4515

Enumeration DateApril 3, 2007

Last NPPES UpdateMarch 21, 2011

✔ NPI 1922129014 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

140 GRANDVIEW AVE, Waterbury, CT 06708

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Other Identifiers 4

Medicare UPINB84180CT

Medicare ID-Type Unspecified100000283CT · Provider Id

Medicaid001206499CT

Other010020649CT03CT · Bcbs Provider Id

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GIRVICE ARCHER M.D

Anesthesiology

140 GRANDVIEW AVE
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 757-7000

DR. LYDIA AOUN-BARAKAT MD

Internal Medicine (Infectious Disease)

140 GRANDVIEW AVE, SUITE #L01
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 574-4187

GARY POUPKO M.D

Anesthesiology

140 GRANDVIEW AVE
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 757-7000

DR. MAJID SADIGH MD

Internal Medicine (Infectious Disease)

140 GRANDVIEW AVE, SUITE #101
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 573-7284

JOSEPH ROCCO

Nurse Anesthetist, Certified Registered

140 GRANDVIEW AVE
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 757-7000

DR. WILLIAM D RIFKIN MD

Internal Medicine

140 GRANDVIEW AVE, SUITE #101
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 573-7284

JANET L VODRA MD

Obstetrics & Gynecology

140 GRANDVIEW AVE, SUITE 202
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 755-2344

RAYMOND CLEMENT M.D

Anesthesiology

140 GRANDVIEW AVE
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 757-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald A. Zlotoff, M.D., F.A.C.P., LLC's NPI number?

The NPI number for Ronald A. Zlotoff, M.D., F.A.C.P., LLC is 1922129014. It was assigned to this organization in the NPPES registry on April 3, 2007.

Where is Ronald A. Zlotoff, M.D., F.A.C.P., LLC located?

Ronald A. Zlotoff, M.D., F.A.C.P., LLC is located at 140 Grandview Ave Lower Level Suite 4, Waterbury, CT 06708. The listed phone number is (203) 755-4515.

What is Ronald A. Zlotoff, M.D., F.A.C.P., LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Ronald A. Zlotoff, M.D., F.A.C.P., LLC was last updated on March 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.