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

Dr. Gary P Lessmann, MD

Individual provider Emergency Medicine Physician · NPI 1063488401

Dr. Gary P Lessmann, MD is an Emergency Medicine Physician in Chesterfield, Missouri. Licensed in Illinois and Missouri. Registered with an NPI since 2006.

Licensed in
IL, MO
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

201 W Manor Dr
Chesterfield, MO 63017-2970
Phone: (314) 576-7357
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence R2C68 (MO)
Emergency Medicine Physician Taxonomy 207P00000X · Licence R2C68 (MO)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 036106713 (IL)

Record details

NPI number1063488401
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 26, 2006
Last updated in NPPESFebruary 19, 2020
Certification dateFebruary 19, 2020
Mailing address201 W Manor Dr, Chesterfield, MO 63017-2970

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