Joel Eric Ringdahl, PHD

Joel Eric Ringdahl is a Behavior Analyst provider (Behavior Analyst) practicing in Carbondale, IL, registered in the NPPES registry with NPI 1427218585 since 2008. The credential PHD stands for Doctor of Philosophy.

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NPI	1427218585
Entity type	Individual (Type 1)
Name	Joel Eric Ringdahl
Credential	PHD
Sex	Male
Practice address	500C S LEWIS LN, Carbondale, IL, 62901
Phone	6184538295
Fax	6184536386
Enumeration date	2008-06-12
Last updated in NPPES	2013-03-05

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
103T00000X	Psychologist	Secondary	01017	IA
103K00000X	Behavior Analyst	Primary	1-12-12128	IL

PHD — Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Copy-ready billing details

Provider: Joel Ringdahl, PHD
NPI: 1427218585
Taxonomy: 103K00000X (Behavior Analyst)
Address: 500C S LEWIS LN, Carbondale, IL, 62901

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1457632986	Jodi Nuernberger	Individual	Behavior Analyst	Carbondale, IL

Verify this record

Cross-check NPI 1427218585 against the authoritative CMS record: view Joel Eric Ringdahl on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Joel Ringdahl practice?

The practice location on file with NPPES is in Carbondale, IL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Joel Ringdahl?

The National Provider Identifier (NPI) for Joel Ringdahl is 1427218585, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2013-03-05.