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
Mailing address700 S Main St Ste 2, Yreka, CA 96097-3354