Mark Earnhart, D.C.
Chiropractor · Friday Harbor, WA
Mark Earnhart, D.C. is a chiropractor with a practice address in Friday Harbor, Washington, and NPI 1811028251, issued on Mar 8, 2007. Check the license (Washington 1787, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Earnhart
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 1787 WA
Self-reported in NPPES; status is on the state search - Practice location
- 545 Spring Street, Friday Harbor, WA 98250
- Phone
- (360) 378-5660
- Enumerated
- Mar 8, 2007
- Entity
- Type 1 · individual
Verify Mark Earnhart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 1787Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Industry payments in 2024: $84.57
4 payments, mostly food and beverage; the largest payer was Abiomed. The 1,620 providers of this specialty with any payment received $366.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
4 chiropractor records list a Friday Harbor practice address
They are 4 of the 152 NPPES records with a Friday Harbor practice address, and 3,011 chiropractor records in Washington.
All 4 in Friday Harbor → All 3,011 in Washington → Every provider in Friday Harbor →
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 Mark Earnhart, D.C.'s NPI number?
Mark Earnhart, D.C.'s National Provider Identifier (NPI) is 1811028251, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Earnhart, D.C. located?
The NPPES record lists a practice address at 545 Spring Street, Friday Harbor, WA, 98250. Phone: (360) 378-5660. Providers update this record themselves, so call before visiting.
How can I verify Mark Earnhart, D.C.'s license?
NPPES lists Washington license number 1787, 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.