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

DR. THEODORE JOSEPH ONGARO MD
NPI 1538158696
Urology in Boston, MA

Active since October 20, 2005
55 FRUIT ST, GRB 1102, BOSTON, MA 02114(617) 726-3012(617) 726-6131 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. Theodore Joseph Ongaro Md NPPES

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

DR. THEODORE JOSEPH ONGARO MD (NPI 1538158696) is an individual urology provider in Boston, Massachusetts, licensed in Massachusetts (37270) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1538158696
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDR. THEODORE JOSEPH ONGAROCredential: MD
Location Address55 FRUIT ST, GRB 1102Boston, MA 02114-2621
Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 726-3012
Fax(617) 726-6131
Sole ProprietorNo
Enumeration DateOctober 20, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1538158696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in MA · 37270
Definition

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

55 FRUIT ST, Boston, MA 02114
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Other Identifiers 3

Other037270MA · Tufts Health Plan
OtherB26211MA · Bcbs Ma
Medicaid2021269MA

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.

ANDREW T CHAN M.D.
Internal Medicine (Gastroenterology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-3212
KALOYAN S TANEV MD
Psychiatry & Neurology (Psychiatry)
55 FRUIT ST, WARREN 1220
BOSTON, MA 02114
Suffolk County (617) 726-7511
DAVID MICHAEL SHAHIAN MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
55 FRUIT ST, MGH, BULFINCH 2
BOSTON, MA 02114
Suffolk County (617) 643-4335
DR. KATHLEEN BRIGID TRAINOR PSYD
Psychologist
55 FRUIT ST, YAW 6A MASSACHUSSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Suffolk County (617) 724-6300
DR. FREDERIC DEBROS MD
Anesthesiology (Critical Care Medicine)
55 FRUIT ST, ANESTHESIA ASSOCIATES GRB 406E
BOSTON, MA 02114
Suffolk County (617) 724-7184
DR. MARGARET SETON MD
Internal Medicine (Rheumatology)
55 FRUIT ST, RHEUMATOLOGY ASSOCIATES YAW 2100
BOSTON, MA 02114
Suffolk County (617) 726-7938
DR. ZIV WILLIAMS MD
Neurological Surgery
55 FRUIT ST, MASSACHUSETTS GENERAL HOSPITAL, WAC 745K
BOSTON, MA 02114
Suffolk County (617) 643-4102
DR. ROBERT CLIFFORD SCHNEIDER MD
Anesthesiology
55 FRUIT ST, WHITE 525
BOSTON, MA 02114
Suffolk County (617) 724-3566

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 Theodore Ongaro's NPI number?

The NPI number for Theodore Ongaro is 1538158696. It was assigned to this individual provider in the NPPES registry on October 20, 2005.

Where is Theodore Ongaro located?

Theodore Ongaro practices at 55 Fruit St Grb 1102, Boston, MA 02114. The listed phone number is (617) 726-3012.

What is Theodore Ongaro's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

When was this NPI record last updated?

The NPPES record for Theodore Ongaro was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.