Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Aaron J Wittenberg
Peer Specialist in Lacey, WA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033861216
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Registry record
Entity type Individual (Type 1)
Name Aaron J Wittenberg
Sex Male
Practice address 612 Woodland Square Loop Se Ste 401, Lacey, WA, 98503
Phone (360) 763-5828
Enumeration date Jan 19, 2022
Last updated in NPPES Jan 19, 2022
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 is the NPI number for Aaron Wittenberg?
The National Provider Identifier (NPI) for Aaron Wittenberg is 1033861216, a Type 1 (individual) record in the CMS NPPES registry.
Where does Aaron Wittenberg practice?
The practice location on file with NPPES is in Lacey, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Jessica Shook Mental Health Counselor · Lacey, WA NPI 1861531048 Adelina Dana Counselor · Lacey, WA NPI 1982976197 Sarah Gautreaux Social Worker · Lacey, WA NPI 1063829125 Anna Allred Counselor · Lacey, WA NPI 1588049241 Morgan Black Counselor · Olympia, WA NPI 1366972069 Kenna Brooks Peer Specialist · Lacey, WA NPI 1033631668 Thurston Mason Behavioral Health Organization Community/Behavioral Health Agency · Lacey, WA NPI 1265932198 Deborah Kirby Peer Specialist · Lacey, WA NPI 1912402850
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-19.