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MARK JANSSEN MD
NPI 1407923345
Pathology - Anatomic Pathology & Clinical Pathology in Anaheim, CA

Active since November 29, 2006
441 N LAKEVIEW AVE, ANAHEIM, CA 92807(888) 988-2800 Get Directions Write a Review

NPPES record last updated: September 23, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark Janssen Md NPPES

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

MARK JANSSEN MD (NPI 1407923345) is an individual anatomic pathology & clinical pathology provider in Anaheim, California, licensed in California (A24214) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1407923345
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameMARK JANSSENCredential: MD
Location Address441 N LAKEVIEW AVEAnaheim, CA 92807-3028
Mailing Address441 N Lakeview AveAnaheim, CA 92807-3028 · (888) 988-2800
Phone(888) 988-2800
Sole ProprietorNo
Enumeration DateNovember 29, 2006
Last NPPES UpdateSeptember 23, 2008
✔ NPI 1407923345 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 CA · A24214
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.
441 N LAKEVIEW AVE, Anaheim, CA 92807
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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.

DINO A. IMPERIAL DO
Family Medicine
441 N LAKEVIEW AVE
ANAHEIM, CA 92807
Orange County (888) 988-2800
JANA PINDUR MD
Pathology (Anatomic Pathology & Clinical Pathology)
441 N LAKEVIEW AVE
ANAHEIM, CA 92807
Orange County (888) 988-2800
RITU KHURANA RAWAL MD
Pediatrics
441 N LAKEVIEW AVE
ANAHEIM, CA 92807
Orange County (888) 988-2800
DARREN MURTARI MD
Pediatrics
441 N LAKEVIEW AVE
ANAHEIM, CA 92807
Orange County (888) 988-2800
MARINA A. BALL MD
Dermatology
441 N LAKEVIEW AVE
ANAHEIM, CA 92807
Orange County (888) 988-2800
HYON CHONG SEO MD
Internal Medicine
441 N LAKEVIEW AVE
ANAHEIM, CA 92807
Orange County (888) 988-2800
LANCE C. BRUNNER MD
Family Medicine
441 N LAKEVIEW AVE
ANAHEIM, CA 92807
Orange County (888) 988-2800
MICHAEL A. OLERICH MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
441 N LAKEVIEW AVE
ANAHEIM, CA 92807
Orange County (888) 988-2800

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 Mark Janssen's NPI number?

The NPI number for Mark Janssen is 1407923345. It was assigned to this individual provider in the NPPES registry on November 29, 2006.

Where is Mark Janssen located?

Mark Janssen practices at 441 N Lakeview Ave, Anaheim, CA 92807. The listed phone number is (888) 988-2800.

What is Mark Janssen'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 Mark Janssen was last updated on September 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.