Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Michael James Guddendorf, ATC
Athletic Trainer in Decatur, IL · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821619768
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Registry record
Entity type Individual (Type 1)
Name Mr. Michael James Guddendorf
Credential ATC
Sex Male
Practice address 2122 N 27th St, Decatur, IL, 62526
Phone (217) 876-4249
Enumeration date May 1, 2020
Last updated in NPPES May 1, 2020
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 096004843 (IL) 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
What is the NPI number for Michael Guddendorf?
The National Provider Identifier (NPI) for Michael Guddendorf is 1821619768, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Guddendorf practice?
The practice location on file with NPPES is in Decatur, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Matthew Munjoy Athletic Trainer · Decatur, IL NPI 1205802964 Sarah Sydor Athletic Trainer · Decatur, IL NPI 1023023512 Ann Hargrove Athletic Trainer · Decatur, IL NPI 1891124152 Sara Namken Registered Dietitian · Decatur, IL NPI 1922418730 Christine Hoffman Athletic Trainer · Decatur, IL NPI 1942616305 Joseph Smith Athletic Trainer · Decatur, IL NPI 1760898076 Neal Coelho Occupational Therapist · Decatur, IL NPI 1285599787
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-05-01.