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

John S Farrell, MD

Individual provider Gastroenterology Physician · NPI 1194724724

John S Farrell, MD is a Gastroenterology Physician in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2005.

Licensed in
MO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

621 S New Ballas Rd Ste 584A
Saint Louis, MO 63141-8232
Phone: (314) 251-6966
Fax: (314) 251-6632
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence R5636 (MO)

Record details

NPI number1194724724
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 15, 2005
Last updated in NPPESNovember 4, 2008

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