Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark G. Lanci, S.W.
Social Worker in Bellingham, WA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1992858245
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Registry record
Entity type Individual (Type 1)
Name Mark G. Lanci
Credential S.W.
Sex Male
Practice address 2211 Rimland Dr, Ste 114, Bellingham, WA, 98226
Phone (360) 647-6310
Enumeration date Jan 19, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License LW00005113 (WA) 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.
Frequently asked questions
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.
What specialty is Mark Lanci?
Mark Lanci is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.