Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Samuel Walker
Behavior Analyst in Littleton, CO · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679293062
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Registry record
Entity type Individual (Type 1)
Name Samuel Walker
Sex Male
Practice address 5575 S Sycamore St Ste 108, Littleton, CO, 80120
Phone (720) 775-0151
Fax (303) 265-9988
Enumeration date Aug 29, 2022
Last updated in NPPES Jan 12, 2026
Taxonomy & licenses
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 specialty is Samuel Walker?
Samuel Walker is registered in NPPES with the primary taxonomy of Behavior Analyst. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Elizabeth Earnest Clinical Social Worker · Littleton, CO NPI 1427478627 Actualize Behavior Alternatives Clinical Social Worker · Littleton, CO NPI 1902251705 Megan Rose Thomas Social Worker · Littleton, CO NPI 1508488842 Amy Bernier Counselor · Littleton, CO NPI 1003438375 Selamawit Beyene Counselor · Littleton, CO NPI 1902428154 Actualize Behavior Clinical Social Worker · Littleton, CO NPI 1497320493 Actualize Behavior Alternatives Behavior Analyst · Littleton, CO NPI 1033917398
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-12.