Individual Healthcare Provider
Leonard E Grosso, MD PHD
Provider's NPPES record last updated: March 18, 2008
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1548280969
- Primary Specialty
- Pathology — Immunopathology
- Practice Location
- St Louis, Missouri
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 17, 2026, 10:57 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Pathology
Immunopathology
Allopathic & Osteopathic Physicians
A pathologist who specializes in the diagnosis of immunologic diseases.
Taxonomy code 207ZI0100X Pathology
Molecular Genetic Pathology
Allopathic & Osteopathic Physicians
A molecular genetic pathologist is expert in the principles, theory and technologies of molecular biology and molecular genetics. This expertise is used to make or confirm diagnoses of Mendelian genetic disorders, disorders of human development, infectious diseases and malignancies, and to assess the natural history of those disorders. A molecular genetic pathologist provides information about gene structure, function and alteration and applies laboratory techniques for diagnosis, treatment and prognosis for individuals with related disorders.
Taxonomy code 207ZP0007X
Provider-Reported License Information
- Pathology (Missouri)
- R6J66
- Pathology (Missouri)
- R6J66
Practice Locations
Practice Location
1402 S Grand
St Louis, Missouri 63110
Phone: (314) 577-8693
Record Information
- Enumeration Date
- July 20, 2006
- Provider's NPPES Record Last Updated
- March 18, 2008
- NPISignal NPPES Dataset
- August 2026
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