John M. Walkonis, DDS

Dentist · Saint Charles, MO

Individual Active NPI

NPI number 1194762138

Practice location

300 1st Capitol Dr
Saint Charles, MO 63301-2844
Phone
(636) 947-5000
Fax
(636) 947-5090

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NPI record

NPI
1194762138
Entity type
Individual (Type 1)
Enumeration date
May 31, 2006
Last updated
July 13, 2026
Sole proprietor
No

Specialties & taxonomy codes

TaxonomyCodeLicenseState
Dentist Primary 122300000X 012877 MO

Mailing address

1836 Lackland Hill Pkwy
Attn: Credentialing
Saint Louis, MO 63146-3572
Phone
(314) 989-0300
Fax
(314) 810-1399

About Dr. Walkonis

John M. Walkonis, DDS is a healthcare provider registered in the NPI registry with the primary taxonomy Dentist (code 122300000X). The practice location is 300 1st Capitol Dr, Saint Charles, MO 63301-2844. The NPI number 1194762138 was assigned on May 31, 2006 and the record was last updated on July 13, 2026.

Dr. Walkonis lists a license in the registry: #012877 (MO) for Dentist. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of John M. Walkonis, DDS?

The NPI number is 1194762138.

What is the phone number of Dr. Walkonis?

The phone number listed for the practice location is (636) 947-5000.

Where is Dr. Walkonis located?

300 1st Capitol Dr, Saint Charles, MO 63301-2844.

What is the taxonomy code for Dr. Walkonis?

The primary taxonomy code is 122300000X – Dentist.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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