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

Individual provider Internal Medicine Physician · NPI 1255488110

Dr. Leslie Stuart Gewin, MD is an Internal Medicine Physician in Saint Louis, Missouri. Works from 2 locations. Licensed in Missouri.

Licensed in
MO
In the registry since
2007
Specialties on file
2
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

1 Barnes Jewish Hospital Plz Div Im Nephrology
Saint Louis, MO 63110-1003
Phone: (314) 362-7603
Fax: (314) 747-5213
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 915 N Grand Blvd, Saint Louis, MO 63106-1621 — (314) 652-4100

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 2021049335 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2021049335 (MO)

Record details

NPI number1255488110
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 4, 2007
Last updated in NPPESFebruary 3, 2026
Certification dateFebruary 3, 2026

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