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

Mark S Shelley, DC

Individual provider Chiropractor · NPI 1124105275

Mark S Shelley, DC is a Chiropractic in Mountlake Terrace, Washington. Graduated from Sherman College of Straight Chiropractic in 1983, 43 years ago. Practices with Olympic Spine and Sports Therapy PC, a 3-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
43
Trained at
Sherman College of Straight Chiropractic
Licensed in
WA
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

6603 220th St SW Ste 102
Mountlake Terrace, WA 98043-2186
Phone: (425) 774-2411
Fax: (425) 672-7065
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence CH00001890 (WA)

Record details

NPI number1124105275
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESMarch 22, 2017
Mailing address6603 220th St Sw, Ste 102, Mountlake Terrace, WA 98043-2186

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolSHERMAN COLLEGE OF STRAIGHT CHIROPRACTIC
Graduated 1983 (43 years in practice)
Group practice Olympic Spine And Sports Therapy Pc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Mountlake Terrace