Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alyssa Timmerman

Behavior Analyst in Fayetteville, AR · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1598222408

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Registry record

Entity type Individual (Type 1)

Name Alyssa Timmerman

Sex Female

Practice address 3155 N College Ave Ste 108, Fayetteville, AR, 72703

Phone (479) 957-9121

Fax (479) 777-9967

Enumeration date Feb 27, 2019

Last updated in NPPES Dec 20, 2021

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers · License RBT-20-122669 (MN) Secondary

174400000X Specialist Other Service Providers Secondary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-21-56458 (AR) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Alyssa Timmerman?

The National Provider Identifier (NPI) for Alyssa Timmerman is 1598222408, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alyssa Timmerman practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-20.