Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Leonard E Grosso, MD, PHD

Individual provider Immunopathology Physician · NPI 1548280969

Leonard E Grosso, MD, PHD is an Immunopathology Physician in St. Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1402 S Grand
St. Louis, MO 63110
Phone: (314) 577-8693
Fax: (314) 268-5478
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Immunopathology Physician (primary) Taxonomy 207ZI0100X · Licence R6J66 (MO)
Molecular Genetic Pathology (Pathology) Physician Taxonomy 207ZP0007X · Licence R6J66 (MO)

Record details

NPI number1548280969
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESMarch 18, 2008
Mailing address3691 Rutger Ave, Provider Enrollment, St Louis, MO 63110

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