Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Dionysius Blenkush, B.S., D.C.
Chiropractor in Medford, OR · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902849441
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Registry record
Entity type Individual (Type 1)
Name Dr. John Dionysius Blenkush
Credential B.S., D.C.
Sex Male
Practice address 227 S Holly St, Medford, OR, 97501
Phone (541) 772-4399
Fax (541) 772-4228
Enumeration date Jun 13, 2006
Last updated in NPPES Jul 8, 2007
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
Where does John Blenkush practice?
The practice location on file with NPPES is in Medford, OR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Blenkush?
The National Provider Identifier (NPI) for John Blenkush is 1902849441, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.