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

John M Walkonis, DDS

Individual provider Dentist · NPI 1194762138

John M Walkonis, DDS is a Dentist in Saint Charles, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

300 1st Capitol Dr
Saint Charles, MO 63301-2844
Phone: (636) 947-5000
Fax: (636) 947-5090
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 012877 (MO)

Record details

NPI number1194762138
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedMay 31, 2006
Last updated in NPPESJuly 13, 2026
Mailing address1836 Lackland Hill Pkwy, Attn: Credentialing, Saint Louis, MO 63146-3572

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