Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Jerrott Hanlan, DC

Individual provider Rehabilitation Chiropractor · NPI 1104007509

Dr. William Jerrott Hanlan, DC is a Rehabilitation Chiropractor in Yreka, California. Practices as a sole proprietor. Licensed in California and Oregon.

Licensed in
CA, OR
In the registry since
2007
Specialties on file
2
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

700 S Main St Ste 2
Yreka, CA 96097-3354
Phone: (530) 340-2399
Fax: (530) 331-0038
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 29668 (CA)
Rehabilitation Chiropractor Taxonomy 111NR0400X · Licence 273531 (OR)

Record details

NPI number1104007509
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedNovember 14, 2007
Last updated in NPPESJuly 26, 2024
Certification dateJuly 26, 2024