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

Mr. Mark Wheeler Earnhart, DC

Individual provider Chiropractor · NPI 1811028251

Mr. Mark Wheeler Earnhart, DC is a Chiropractor in Friday Harbor, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2007
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

545 Spring St
Friday Harbor, WA 98250
Phone: (360) 378-5660
Fax: (360) 378-9556
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 1787 (WA)

Record details

NPI number1811028251
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedMarch 8, 2007
Last updated in NPPESJuly 8, 2007

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