WASHINGTON UNIVERSITY
NPI 1043414113
Clinical Medical Laboratory in Saint Louis, MO

Q: What is Washington University's NPI number?

The NPI number for Washington University is 1043414113. It was assigned to this organization in the NPPES registry on June 13, 2007. The provider is doing business as Clinical Cytogenetics Laboratory.

Q: What is Washington University's specialty?

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

Active since June 13, 2007

4320 FOREST PARK AVE, SUITE 209, SAINT LOUIS, MO 63108(314) 362-5641 Get Directions Write a Review

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

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About Washington University NPPES

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

WASHINGTON UNIVERSITY (NPI 1043414113), doing business as Clinical Cytogenetics Laboratory, is a healthcare organization registered as a clinical medical laboratory in Saint Louis, Missouri and active in the NPI registry since June 2007. The organization lists Cathy Eghigian, Senior Director Managed Care, as its authorized official.

NPPES Registry Identity

NPI1043414113

Entity TypeOrganization

Primary Taxonomy291U00000X

Legal Business NameWASHINGTON UNIVERSITY

Location Address4320 FOREST PARK AVE, SUITE 209Saint Louis, MO 63108-2821

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-5641

Phone(314) 362-5641

Organization SubpartNo

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

Enumeration DateJune 13, 2007

Last NPPES UpdateApril 25, 2025

NPPES CertifiedApril 25, 2025

✔ NPI 1043414113 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

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Other Names 2

Doing Business AsClinical Cytogenetics Laboratory

Other NameWashington University

Other Identifiers 1

Medicaid705187201MO

Areas of Expertise CMS Part B claims 12

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.

Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 88377

Microscopic genetic analysis of tissue is a detailed lab process that examines your cells' genetic material. If more than one stain procedure is needed, it's termed an 'additional multiplex stain procedure'. This helps to highlight different components within your cells, aiding in accurate diagnosis and treatment planning.

479 services229 patients

Molecular pathology procedure; physician interpretation and report G0452

A molecular pathology procedure involves analyzing your body's cells at a molecular level to identify any abnormalities. This can help detect diseases early. A physician will interpret the results and provide a detailed report, explaining the findings clearly.

285 services232 patients

Dna testing for genetic defects 88271

DNA testing for genetic defects involves examining your DNA, the unique molecules that carry instructions for your body's functioning. The test identifies changes in chromosomes, genes, or proteins that could lead to a genetic disorder. It's a preventative measure to manage potential health risks.

245 services32 patients

Interpretation and report of genetic testing 88291

Interpretation and report of genetic testing involves analyzing your DNA to look for changes that could indicate a risk for certain health conditions. The results are then compiled into a report, which provides insights about your genetic health.

182 services160 patients

Chromosome analysis for genetic defects, analyze 100-300 cells 88275

Chromosome analysis is a test done on cells to identify any genetic defects. By studying 100-300 cells, it gives a comprehensive view of your genetic makeup. This helps in understanding any potential health risks you may carry.

122 services32 patients

Genomic sequence analysis panel of dna or combined dna and rna of 5-50 genes associated with blood and lymphatic system disorders 81450

This test examines your DNA to identify any genetic changes that could indicate a risk for blood-related cancers. It's a simple process where a sample of your blood or saliva is taken and sent to a lab for detailed examination.

110 services110 patients

Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 88377

69 services39 patients

Molecular pathology procedure 81479

A molecular pathology procedure is a specialized lab test that analyzes your genes at a molecular level. It helps identify genetic variations or changes that may affect your health. This information can assist in diagnosing, monitoring, and deciding treatment for certain conditions.

54 services51 patients

Preparation of specimen, manual 88381

The preparation of a specimen manually is a procedure where a sample from your body is collected by a healthcare professional. This could be blood, urine, or tissue. The sample is then prepared in a lab for further analysis to help diagnose or monitor your health condition.

50 services48 patients

Molecular pathology procedure; physician interpretation and report G0452

50 services37 patients

Tissue culture for tumor disorders of bone marrow and blood cells 88237

Tissue culture for tumor disorders of bone marrow and blood cells is a lab process where your cells are grown in a controlled environment. The aim is to detect and study abnormal cells, such as cancer, in your bone marrow or blood. This helps in planning effective treatment.

39 services39 patients

Chromosome analysis for genetic defects, analyze 20-25 cells 88264

Chromosome analysis is a test that evaluates your cells to check for genetic defects. In this procedure, 20-25 cells are examined under a microscope to identify any abnormalities. This information can help in diagnosing certain genetic conditions and guide treatment plans.

24 services24 patients

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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.

DR. KEVIN L KONZEN MD

Internal Medicine

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

St. Louis City (314) 333-4100

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

DR. JONATHAN W HEUSEL MD

Pathology (Molecular Genetic Pathology)

4320 FOREST PARK AVE, 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 1043414113. It was assigned to this organization in the NPPES registry on June 13, 2007. The provider is doing business as Clinical Cytogenetics Laboratory.

Where is Washington University located?

Washington University is located at 4320 Forest Park Ave Suite 209, Saint Louis, MO 63108. The listed phone number is (314) 362-5641.

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.