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DR. TIMOTHY JOSEPH O'LEARY MD, PHD
NPI 1003899873
Pathology - Anatomic Pathology in Chesapeake Beach, MD

Active since November 24, 2005
4755 CAMP ROOSEVELT DRIVE, CHESAPEAKE BEACH, MD 20732(240) 460-0271 Get Directions Write a Review

NPPES record last updated: August 5, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Timothy Joseph O'leary Md, Phd NPPES

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

DR. TIMOTHY JOSEPH O'LEARY MD, PHD (NPI 1003899873) is an individual anatomic pathology provider in Chesapeake Beach, Maryland, licensed in Maryland (D25865) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1003899873
Entity TypeIndividualMale
Primary Taxonomy207ZP0101X
Provider Legal NameDR. TIMOTHY JOSEPH O'LEARYCredential: MD, PHD
Location Address4755 CAMP ROOSEVELT DRIVEChesapeake Beach, MD 20732
Mailing Address4755 Camp Roosevelt DriveChesapeake Beach, MD 20732 · (240) 460-0271
Phone(240) 460-0271
Sole ProprietorYes
Enumeration DateNovember 24, 2005
Last NPPES UpdateAugust 5, 2019
✔ NPI 1003899873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0101X
Licenses✔ Licensed in MD · D25865✔ Licensed in MD · D0025865
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.

Also ListedPathology · Molecular Genetic PathologyTaxonomy 207ZP0007X · License D0025865 (MD)
Also ListedGeneral PracticeTaxonomy 208D00000X · License D25865 (MD)
4755 CAMP ROOSEVELT DRIVE, Chesapeake Beach, MD 20732
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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 Timothy O'leary's NPI number?

The NPI number for Timothy O'leary is 1003899873. It was assigned to this individual provider in the NPPES registry on November 24, 2005.

Where is Timothy O'leary located?

Timothy O'leary practices at 4755 Camp Roosevelt Drive, Chesapeake Beach, MD 20732. The listed phone number is (240) 460-0271.

What is Timothy O'leary's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

When was this NPI record last updated?

The NPPES record for Timothy O'leary was last updated on August 5, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.