Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark J Blessley, D.C.
Chiropractor in Vancouver, WA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1063417186
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Registry record
Entity type Individual (Type 1)
Name Dr. Mark J Blessley
Credential D.C.
Sex Male
Practice address 204 E 25th St, Vancouver, WA, 98663
Phone (360) 693-7781
Fax (360) 693-1688
Enumeration date Jun 15, 2005
Last updated in NPPES Jun 25, 2020
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 350055943 | Other | WA | RAILROAD MEDICARE |
| 8370819 | Medicaid | WA | - |
| 0154880 | Other | WA | DEPT. OF LABOR & IND |
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 Mark Blessley?
The National Provider Identifier (NPI) for Mark Blessley is 1063417186, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Blessley practice?
The practice location on file with NPPES is in Vancouver, 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 2020-06-25.