Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PETER HALLORAN MD
NPI 1902605231
Pathology - Anatomic Pathology & Clinical Pathology in Indianapolis, IN

Active since March 10, 2025
350 W 11TH ST, INDIANAPOLIS, IN 46202(708) 267-8654 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2026, Mar 10, 2025 (2 updates tracked since 2025).

About Peter Halloran Md NPPES

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

PETER HALLORAN MD (NPI 1902605231) is an individual anatomic pathology & clinical pathology provider in Indianapolis, Indiana, licensed in Indiana (11025137A) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1902605231
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NamePETER HALLORANCredential: MD
Location Address350 W 11TH STIndianapolis, IN 46202-4108
Mailing Address350 W 11th StIndianapolis, IN 46202-4108
Sole ProprietorYes
Enumeration DateMarch 10, 2025
Last NPPES UpdateJuly 8, 20262 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
NPI 1902605231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License Licensed in IN · 11025137A
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
350 W 11TH ST, Indianapolis, IN 46202

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.

Student in an Organized Health Care Education/Training Program
350 W 11TH ST
INDIANAPOLIS, IN 46202
Pathology (Anatomic Pathology & Clinical Pathology)
350 W 11TH ST
INDIANAPOLIS, IN 46202
Pathology (Anatomic Pathology)
350 W 11TH ST
INDIANAPOLIS, IN 46202
Pathology (Anatomic Pathology & Clinical Pathology)
350 W 11TH ST
INDIANAPOLIS, IN 46202
Pathology (Anatomic Pathology & Clinical Pathology)
350 W 11TH ST, ROOM 4070
INDIANAPOLIS, IN 46202
Pathology (Anatomic Pathology & Clinical Pathology)
350 W 11TH ST, DEPARTMENT OF PATHOLOGY AND LABORATORY MEDICINE
INDIANAPOLIS, IN 46202
Pathology (Anatomic Pathology & Clinical Pathology)
350 W 11TH ST
INDIANAPOLIS, IN 46202
Pathology (Clinical Pathology)
350 W 11TH ST
INDIANAPOLIS, IN 46202

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 Peter Halloran's NPI number?

The NPI number for Peter Halloran is 1902605231. It was assigned to this individual provider in the NPPES registry on March 10, 2025.

Where is Peter Halloran located?

Peter Halloran practices at 350 W 11th St, Indianapolis, IN 46202. The listed phone number is (708) 267-8654.

What is Peter Halloran's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

When was this NPI record last updated?

The NPPES record for Peter Halloran was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.