WASHINGTON UNIVERSITY
NPI 1487099768
Clinical Medical Laboratory in Saint Louis, MO

Q: What is Washington University's NPI number?

The NPI number for Washington University is 1487099768. It was assigned to this organization in the NPPES registry on May 1, 2013. The provider is doing business as Washington University Dermatopathology Lab.

Q: What is Washington University's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Active since May 01, 2013

4320 FOREST PARK AVE, CORTEX BUILDING, ROOM 212, SAINT LOUIS, MO 63108(314) 935-0770 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Washington University NPPES

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

WASHINGTON UNIVERSITY (NPI 1487099768), doing business as Washington University Dermatopathology Lab, is a healthcare organization registered as a clinical medical laboratory in Saint Louis, Missouri and active in the NPI registry since May 2013. The organization lists Cathy Eghigian, Senior Director Managed Care, as its authorized official.

NPPES Registry Identity

NPI1487099768

Entity TypeOrganization

Primary Taxonomy291U00000X

Legal Business NameWASHINGTON UNIVERSITY

Location Address4320 FOREST PARK AVE, CORTEX BUILDING, ROOM 212Saint Louis, MO 63108-2979

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 273-0770

Phone(314) 935-0770

Organization SubpartNo

Authorized OfficialCathy EghigianSenior Director Managed Care · (314) 273-0770

Enumeration DateMay 1, 2013

Last NPPES UpdateApril 25, 2025

NPPES CertifiedApril 25, 2025

✔ NPI 1487099768 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Medical LaboratoryLaboratories

Taxonomy Code291U00000X

Definition

(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.

4320 FOREST PARK AVE, Saint Louis, MO 63108

Open in Google Maps ↗

Other Names 2

Doing Business AsWashington University Dermatopathology Lab

Other NameWashington University

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

8,885 services5,180 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

741 services197 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

596 services456 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

431 services238 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

321 services287 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

165 services131 patients

Surgical pathology consultation and report on referred slides prepared elsewhere 88321

A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.

148 services142 patients

Antibody evaluation, each additional single antibody stain procedure 88350

An antibody evaluation involves testing a sample of your body fluid (like blood) to identify specific antibodies. Each additional single antibody stain procedure is a separate test for another specific antibody. This helps in diagnosing various health conditions by understanding your body's immune response.

136 services32 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

93 services40 patients

Special stained specimen slides to examine tissue, initial procedure 88342

92 services51 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

91 services25 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

71 services35 patients

Antibody evaluation, each additional single antibody stain procedure 88350

52 services13 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

37 services23 patients

Antibody evaluation, initial single antibody stain procedure 88346

An antibody evaluation, initial single antibody stain procedure is a laboratory test. It's designed to identify specific proteins, or antibodies, in your body. This can help diagnose certain conditions or monitor your immune system's response to treatments. The procedure involves staining a single type of antibody for detection.

34 services32 patients

Genetic sequencing localization, initial procedure 88365

Genetic sequencing localization is a process to identify where specific genes are located in your DNA. During the initial procedure, a sample of your cells is collected, usually through a simple swab or blood test. This data is then analyzed to pinpoint the location of certain genes. This can help understand your genetic makeup and potential health risks.

19 services17 patients

Genetic sequencing localization, each additional procedure 88364

Genetic sequencing localization is a process where specific regions of your DNA are identified and studied. If you're having additional procedures, it simply means that more areas of your DNA are being examined. This helps to understand your genetic makeup better and can assist in identifying potential health risks.

15 services14 patients

Antibody evaluation, initial single antibody stain procedure 88346

13 services13 patients

Leave this field empty

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.

DR. KEVIN L KONZEN MD

Internal Medicine

4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108

St. Louis City (314) 333-4100

WASHINGTON UNIVERSITY

Clinical Medical Laboratory

4320 FOREST PARK AVE, SUITE 209
SAINT LOUIS, MO 63108

St. Louis City (314) 362-5641

DR. LULU SUN MD

Pathology (Molecular Genetic Pathology)

4320 FOREST PARK AVE, DIV PA, GENOMIC AND MOLECULAR PATHOLOGY, STE 209
SAINT LOUIS, MO 63108

St. Louis City (314) 362-5641

DR. LINDSEY MARIE VALDIVIEZ DO

Internal Medicine

4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108

St. Louis City (314) 333-4100

DR. JONATHAN NICHOLAS BYRD MD

Internal Medicine

4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108

St. Louis City (314) 333-4100

DR. LEIGH ANNE COMPTON MD PHD

Pathology (Anatomic Pathology & Clinical Pathology)

4320 FOREST PARK AVE, DIV PA DERMATOPATHOLOGY, STE 212
SAINT LOUIS, MO 63108

St. Louis City (314) 362-5641

MS. CHRISTINE ELIZABETH JOHNSON ANP

Nurse Practitioner

4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108

St. Louis City (314) 333-4100

DR. BIJAL ANIL PARIKH MD

Pathology (Clinical Pathology/Laboratory Medicine)

4320 FOREST PARK AVE, DIV PA, GENOMIC AND MOLECULAR PATHOLOGY, STE 209
SAINT LOUIS, MO 63108

St. Louis City (314) 362-5641

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 Washington University's NPI number?

The NPI number for Washington University is 1487099768. It was assigned to this organization in the NPPES registry on May 1, 2013. The provider is doing business as Washington University Dermatopathology Lab.

Where is Washington University located?

Washington University is located at 4320 Forest Park Ave Cortex Building, Room 212, Saint Louis, MO 63108. The listed phone number is (314) 935-0770.

What is Washington University's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

When was this NPI record last updated?

The NPPES record for Washington University was last updated on April 25, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.