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DENNIS PATRICK O'MALLEY M.D.
NPI 1184681223
Pathology - Clinical Pathology/Laboratory Medicine in Aliso Viejo, CA

Active since May 01, 2006
31 COLUMBIA, ALISO VIEJO, CA 92656(949) 425-5832(949) 425-5865 Get Directions Write a Review

NPPES record last updated: September 2, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dennis Patrick O'malley M.d. NPPES

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

DENNIS PATRICK O'MALLEY M.D. (NPI 1184681223) is an individual clinical pathology/laboratory medicine provider in Aliso Viejo, California, licensed in California (A66534) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1184681223
Entity TypeIndividualMale
Primary Taxonomy207ZP0105X
Provider Legal NameDENNIS PATRICK O'MALLEYCredential: M.D.
Location Address31 COLUMBIAAliso Viejo, CA 92656-1460
Mailing Address31 ColumbiaAliso Viejo, CA 92656-1460 · (949) 425-5832 · Fax (949) 425-5865
Phone(949) 425-5832
Fax(949) 425-5865
Sole ProprietorNo
Enumeration DateMay 1, 2006
Last NPPES UpdateSeptember 2, 2011
✔ NPI 1184681223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0105X
Licenses✔ Licensed in CA · A66534✔ Licensed in IN · 01056459A
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.
31 COLUMBIA, Aliso Viejo, CA 92656
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES 10

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

KENNETH JOEL BLOOM M.D.
Pathology (Anatomic Pathology)
31 COLUMBIA, CPS
ALISO VIEJO, CA 92656
Orange County (949) 425-5744
DR. ANSELM LU SING HII M.D.
Pathology (Hematology)
31 COLUMBIA
ALISO VIEJO, CA 92656
Orange County (949) 425-5713
DR. RENUKA AGRAWAL M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
31 COLUMBIA
ALISO VIEJO, CA 92656
Orange County (949) 643-7460
MR. LAWRENCE MARTIN WEISS M.D.
Pathology (Anatomic Pathology)
31 COLUMBIA
ALISO VIEJO, CA 92656
Orange County (949) 643-7357
NEOGENOMICS LABORATORIES INC
Clinical Medical Laboratory
31 COLUMBIA
ALISO VIEJO, CA 92656
Orange County (866) 776-5907
DR. SING-TSUNG CHEN M.D., PH.D.
Pathology (Hematology)
31 COLUMBIA
ALISO VIEJO, CA 92656
Orange County (949) 425-5714
GEORGE STEPHAN CSATHY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
31 COLUMBIA, CPS
ALISO VIEJO, CA 92656
Orange County (949) 643-7445
JIAN-FENG WANG
Pathology (Anatomic Pathology & Clinical Pathology)
31 COLUMBIA, CLARIENT PATHOLOGY SERVICE
ALISO VIEJO, CA 92656
Orange County (949) 425-5842

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 Dennis O'malley's NPI number?

The NPI number for Dennis O'malley is 1184681223. It was assigned to this individual provider in the NPPES registry on May 1, 2006.

Where is Dennis O'malley located?

Dennis O'malley practices at 31 Columbia, Aliso Viejo, CA 92656. The listed phone number is (949) 425-5832.

What is Dennis O'malley's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

What insurance does Dennis O'malley accept?

Health plans from Blue Cross and Blue Shield of Texas list Dennis O'malley as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dennis O'malley was last updated on September 2, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.