Organization Profile
Washington University
Unclaimed ProfileAbout Washington University
Washington University is an organization based in Saint Louis, MO and listed in the NPI registry under clinical medical laboratory. According to Medicare claims data, the services billed most often include microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure, molecular pathology procedure; physician interpretation and report, and dna testing for genetic defects.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Practice Size
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
Providers in This Building & Nearby
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
- Kevin L. Konzen, MD Internal Medicine
- Lulu Sun, MD Pathology
- Lindsey M. Valdiviez, DO Internal Medicine
- Jonathan N. Byrd, MD Internal Medicine
- Leigh A. Compton, MD PHD Anatomic & Clinical Pathology
- Christine E. Johnson, ANP Nurse Practitioner
- Bijal A. Parikh, MD Pathology — Clinical
- Jonathan W. Heusel, MD Pathology
- Nicholas S. Yozamp, MD Endocrinology, Diabetes & Metabolism
- Michael D. Bavlsik, MD Internal Medicine
- Jessica E. Henke, FNP Nurse Practitioner — Family
Showing 11 of 22. The full list is in the Related Providers tab.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (314) 362-5641
- Email not available
Practice Locations
4320 FOREST PARK AVE SUITE 209
Saint Louis, MO 63108
Procedures Most Often Billed to Medicare
1,709 services · 1,033 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure | Lab test | 88377 |
479 |
| Molecular pathology procedure; physician interpretation and report | Billing code | G0452 |
285 |
| Dna testing for genetic defects | Lab test | 88271 |
245 |
| Interpretation and report of genetic testing | Lab test | 88291 |
182 |
| Chromosome analysis for genetic defects, analyze 100-300 cells | Lab test | 88275 |
122 |
| Genomic sequence analysis panel of dna or combined dna and rna of 5-50 genes associated with blood and lymphatic system disorders | Lab test | 81450 |
110 |
| Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure | Lab test | 88377 |
69 |
| Molecular pathology procedure | Lab test | 81479 |
54 |
| Molecular pathology procedure; physician interpretation and report | Billing code | G0452 |
50 |
| Preparation of specimen, manual | Lab test | 88381 |
50 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at Washington University 8
Providers listing the same practice in the NPI registry.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Washington University specialize in?
Washington University is a clinical medical laboratory in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Washington University located?
Washington University is listed at 4320 Forest Park Ave Suite 209, Saint Louis, MO 63108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Washington University's phone number?
The number on file is (314) 362-5641. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Washington University?
Washington University's National Provider Identifier is 1043414113. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What does Washington University do most often?
According to Medicare billing data, Washington University the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Washington University's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Washington University. If this is you, claiming it is free.
Guide.md
Is this your practice?
Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.