Adam Mark Klassen, D.C.
Chiropractor · Sedro Woolley, WA
Adam Mark Klassen, D.C. is a chiropractor with a practice address in Sedro Woolley, Washington, and NPI 1356669576, issued on May 12, 2010. Check the license (Washington CH60145297, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Adam Mark Klassen
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- CH60145297 WA
Self-reported in NPPES; status is on the state search - Practice location
- 700 Murdock St, Sedro Woolley, WA 98284
- Phone
- (360) 855-1021
- Enumerated
- May 12, 2010
- Record last updated
- Sep 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (360) 855-0356
- Medicare enrollment
- Enrolled (PECOS I20100706000009); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - West Sunnyvale, 2010
- Entity
- Type 1 · individual
Also registered at 700 Murdock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mychal Beebe, D.C.Chiropractor1205143112
- Karla Garey, L.M.T.Community Health Worker1043488604
- Michael Lenarz, D.C.Chiropractor1326224510
- John McDonald, D.C.Chiropractor1013462373
- Mathias RiversChiropractor1144677170
- Lisa Vanhaagen, MS, LAC, LMTAcupuncturist1801006770
Verify Adam Mark Klassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license CH60145297Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Hansen Chiropractic P SLynden, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
8 chiropractor records list a practice address in Sedro Woolley
They are 8 of the 558 NPPES records with a practice address in Sedro Woolley, and 3,006 chiropractor records in Washington.
All 8 in Sedro Woolley → All 3,006 in Washington → Every provider in Sedro Woolley →
Other chiropractor records in Washington
- Joy Aardappel, DCBurien, WA1396902508
- Joseph Aaron, DCRenton, WA1053395590
- Luke Abdelnoor, DCVancouver, WA1104655497
- Jason Ablett, DCKirkland, WA1285713339
- Wayne Abney, D.C.Shoreline, WA1154522894
- Jeffery Abrams, D.C.Seattle, WA1427162940
- Chad Abramson, D.C.Everett, WA1720157399
- Cole Adams, DCSilverdale, WA1790132769
- Kristina Adams, DCSequim, WA1609501170
- Kurt Adams, DCSilverdale, WA1023198538
Common questions
What is Adam Mark Klassen, D.C.'s NPI number?
Adam Mark Klassen, D.C.'s National Provider Identifier (NPI) is 1356669576, issued on May 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Adam Mark Klassen, D.C. located?
The NPPES record lists a practice address at 700 Murdock St, Sedro Woolley, WA, 98284. Phone: (360) 855-1021. Providers update this record themselves, so call before visiting.
How can I verify Adam Mark Klassen, D.C.'s license?
NPPES lists Washington license number CH60145297, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.