NPPES file of Aug 9, 2026

Chad Roy Knowlden, LMP

Chiropractor · Vancouver, WA

Chad Roy Knowlden, LMP is a chiropractor with a practice address in Vancouver, Washington, and NPI 1952475352, issued on Nov 17, 2006. Check the license (Washington MA00021977, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952475352
Name
Chad Roy Knowlden
Credential
LMP
Primary taxonomy
Chiropractor 111N00000X
License number
MA00021977 WA
Self-reported in NPPES; status is on the state search
Practice location
2412 NE 138TH Ave Apt 73H, Vancouver, WA 98684
Phone
(360) 892-2930
Enumerated
Nov 17, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Chad Roy Knowlden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license MA00021977    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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202 chiropractor records list a practice address in Vancouver

They are 202 of the 10,772 NPPES records with a practice address in Vancouver, and 3,006 chiropractor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 202 in Vancouver → All 3,006 in Washington → Every provider in Vancouver →

Other chiropractor records in Washington

  1. Joy Aardappel, DCBurien, WA1396902508
  2. Joseph Aaron, DCRenton, WA1053395590
  3. Luke Abdelnoor, DCVancouver, WA1104655497
  4. Jason Ablett, DCKirkland, WA1285713339
  5. Wayne Abney, D.C.Shoreline, WA1154522894
  6. Jeffery Abrams, D.C.Seattle, WA1427162940
  7. Chad Abramson, D.C.Everett, WA1720157399
  8. Cole Adams, DCSilverdale, WA1790132769
  9. Kristina Adams, DCSequim, WA1609501170
  10. Kurt Adams, DCSilverdale, WA1023198538

Common questions

What is Chad Roy Knowlden, LMP's NPI number?

Chad Roy Knowlden, LMP's National Provider Identifier (NPI) is 1952475352, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chad Roy Knowlden, LMP located?

The NPPES record lists a practice address at 2412 NE 138TH Ave Apt 73H, Vancouver, WA, 98684. Phone: (360) 892-2930. Providers update this record themselves, so call before visiting.

How can I verify Chad Roy Knowlden, LMP's license?

NPPES lists Washington license number MA00021977, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.