Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William Mark Immel, N.D.
Naturopath in Florence, OR · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1649475435
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Registry record
Entity type Individual (Type 1)
Name Dr. William Mark Immel
Credential N.D.
Sex Male
Practice address 1234 Rhododendron Dr, Suite 1-B, Florence, OR, 97439
Phone (541) 902-8860
Fax (541) 902-8860
Enumeration date Jun 20, 2007
Last updated in NPPES Jul 8, 2007
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
Where does William Immel practice?
The practice location on file with NPPES is in Florence, OR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Immel?
The National Provider Identifier (NPI) for William Immel is 1649475435, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.