Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. SWAMINATH K. IYER M.D.
NPI 1700870474
Internal Medicine - Gastroenterology in Brooklyn, NY

Active since September 08, 2005
450 CLARKSON AVE, SUITE A, BROOKLYN, NY 11203(718) 270-1112(718) 270-1196 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Swaminath K. Iyer M.d. NPPES

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

DR. SWAMINATH K. IYER M.D. (NPI 1700870474) is an individual gastroenterology provider in Brooklyn, New York, licensed in New York (113474-1) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1700870474
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. SWAMINATH K. IYERCredential: M.D.
Location Address450 CLARKSON AVE, SUITE ABrooklyn, NY 11203-2056
Mailing Address450 Clarkson Ave, Box 1262Brooklyn, NY 11203-2056 · (718) 270-8867 · Fax (718) 270-1794
Fax(718) 270-1196
Sole ProprietorNo
Enumeration DateSeptember 8, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1700870474 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in NY · 113474-1
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.

450 CLARKSON AVE, Brooklyn, NY 11203

Other Identifiers 1

Medicaid00206217NY

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.

Obstetrics & Gynecology
450 CLARKSON AVE
BROOKLYN, NY 11203
Internal Medicine (Gastroenterology)
450 CLARKSON AVE, SUITE A
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE, SUNY DOWNSTATE MEDICAL CENTER
BROOKLYN, NY 11203
Internal Medicine (Pulmonary Disease)
450 CLARKSON AVE
BROOKLYN, NY 11203
Family Medicine
450 CLARKSON AVE, MSC 67
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203

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 Swaminath Iyer's NPI number?

The NPI number for Swaminath Iyer is 1700870474. It was assigned to this individual provider in the NPPES registry on September 8, 2005.

Where is Swaminath Iyer located?

Swaminath Iyer practices at 450 Clarkson Ave Suite A, Brooklyn, NY 11203. The listed phone number is (718) 270-1112.

What is Swaminath Iyer'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 Swaminath Iyer was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.