Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Alan Weaver
Peer Specialist in Wasilla, AK · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558926154
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Registry record
Entity type Individual (Type 1)
Name Mark Alan Weaver
Sex Male
Practice address 851 E Westpoint Dr Ste 310, Wasilla, AK, 99654
Phone (907) 357-5400
Fax (907) 357-5477
Enumeration date May 8, 2019
Last updated in NPPES May 8, 2019
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
How do I verify Mark Weaver's NPI record?
Cross-check NPI 1558926154 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1558926154 active?
Yes, as of the latest NPPES snapshot, NPI 1558926154 is active (record last updated 2019-05-08).
Other providers at this practice address
Browse all → Rosalilia Gomez Addiction (Substance Use Disorder) Counselor · Wasilla, AK NPI 1144343377 Charles Van Ravenswaay Case Manager/Care Coordinator · Wasilla, AK NPI 1487219200 Danielle Sprague Addiction (Substance Use Disorder) Counselor · Wasilla, AK NPI 1760029938 Jodi Wolcoff Case Manager/Care Coordinator · Wasilla, AK NPI 1588274286 Giulietta Minerva Technician · Wasilla, AK NPI 1588261168 Bristol Confer Assistant Health Information Record Technician · Wasilla, AK NPI 1417528340
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-05-08.