Organization Profile
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 surgical pathology consultation and report on referred slides prepared elsewhere, special stained specimen slides to examine tissue, each additional procedure, and molecular pathology procedure; physician interpretation and report.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
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.
509 S EUCLID AVE
Saint Louis, MO 63110
2,939 services · 2,330 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Surgical pathology consultation and report on referred slides prepared elsewhere | Lab test | 88321 |
1,438 |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
510 |
| Molecular pathology procedure; physician interpretation and report | Billing code | G0452 |
290 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
144 |
| 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 |
118 |
| Microscopic genetic analysis of tumor, manual | Lab test | 88360 |
104 |
| Surgical pathology consultation and report on referred material requiring preparation of slides | Lab test | 88323 |
78 |
| Molecular pathology procedure; physician interpretation and report | Billing code | G0452 |
73 |
| Preparation of specimen, manual | Lab test | 88381 |
50 |
| Genetic sequencing localization, initial procedure | Lab test | 88365 |
44 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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
Washington University is listed at 509 S Euclid Ave, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 362-5641. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Washington University's National Provider Identifier is 1174880629. 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
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
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
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Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.