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

Jack Guo

Individual provider Endodontics · NPI 1669110599

Jack Guo is an Endodontics in O Fallon, Missouri. Practices as a sole proprietor. Licensed in Missouri.

Licensed in
MO
In the registry since
2022

Practice location Address checks out

113 Church St
O Fallon, MO 63366-2894
Phone: (636) 362-4040
Show map & directions

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

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence 2024015466 (MO)

Record details

NPI number1669110599
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMay 20, 2022
Last updated in NPPESJuly 16, 2026
Certification dateJuly 16, 2026
Mailing address2220 Mid Rivers Place Dr Apt 2220, Saint Peters, MO 63304-4438

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