Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Madelyn Grace Gardner
Behavior Technician in Olivette, MO · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255171591
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Registry record
Entity type Individual (Type 1)
Name Madelyn Grace Gardner
Sex Female
Practice address 9374 Olive Blvd Ste 101, Olivette, MO, 63132
Phone (314) 932-2402
Enumeration date May 24, 2024
Last updated in NPPES May 24, 2024
Taxonomy & licenses
106S00000X Behavior Technician Behavioral Health & Social Service Providers · License RBT-24-338045 (MO) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Madelyn Gardner practice?
The practice location on file with NPPES is in Olivette, MO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Madelyn Gardner?
The National Provider Identifier (NPI) for Madelyn Gardner is 1255171591, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Elizabeth Kinsella Behavior Analyst · Saint Louis, MO NPI 1518248145 Gentiva Certified Healthcare Corp Home Health Agency · Saint Louis, MO NPI 1164861647 Megan Farrar Behavior Analyst · Olivette, MO NPI 1326424615 Latoya Dunbar Behavior Analyst · Saint Louis, MO NPI 1205360880 Tracy Bramblett Behavior Analyst · Saint Louis, MO NPI 1417464686 Jared Bitter Behavior Analyst · Saint Louis, MO NPI 1184122988 Jennifer Jones Behavior Analyst · Olivette, MO NPI 1841764420 Olivia Kleyer Behavior Analyst · Saint Louis, MO NPI 1376100636
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-24.