Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Alastair Gavin Harper, DC
Chiropractor in Issaquah, WA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730225822
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Registry record
Entity type Individual (Type 1)
Name Dr. Alastair Gavin Harper
Credential DC
Sex Male
Practice address 1505 Nw Gilman Blvd Ste 3, Issaquah, WA, 98027
Phone (425) 391-2380
Enumeration date Jan 29, 2007
Last updated in NPPES Jun 13, 2018
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
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 Alastair Harper?
The National Provider Identifier (NPI) for Alastair Harper is 1730225822, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alastair Harper practice?
The practice location on file with NPPES is in Issaquah, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-13.