Registry data as of Aug 27, 2026

James Larsen, DO

Family Medicine Physician · Chelan, WA

James Larsen, DO is a family medicine physician with a practice address in Chelan, Washington, and NPI 1558399162, issued on Jun 30, 2006. Check the license (Washington OP00001541, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558399162
Name
James Larsen
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
OP00001541 WA
Self-reported in NPPES; status is on the state search
Practice location
317 E Johnson Ave, Chelan, WA 98816
Phone
(509) 682-6000
Enumerated
Jun 30, 2006
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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Also registered at 317 E Johnson Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kami Copenhaver, RDHDental Hygienist1629414362
  2. Nahuma GalindoCommunity Health Worker1871828400
  3. Virginia Palumbo, RNCommunity Health Registered Nurse1225363856
  4. Terra Taylor, RDHDental Hygienist1083922504

Verify James Larsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP00001541
    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
Open 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.

97% fewer Medicare Part D claims than the average family medicine physician in 2024

95 Medicare Part D claims for 21 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. James Larsen95
  2. Specialty average3,519

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital or facility affiliation

  1. Community Health Association OF SpokaneSpokane, WA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

20 family medicine physician records list a Chelan practice address

They are 20 of the 165 NPPES records with a Chelan practice address, and 5,264 family medicine physician records in Washington.

Other family medicine physician records in Washington

  1. Shawn Aaron, MDLongview, WA1578560710
  2. John Abano, M.D.Shoreline, WA1891929857
  3. Sarah Abbot, DOKirkland, WA1033555180
  4. Arthur Abbott, M.D.Seattle, WA1255488847
  5. Dale Abbott, MDBurlington, WA1760453534
  6. Michael Abbott, MDEast Wenatchee, WA1336179928
  7. Richard Abbott, M.D.Mount Vernon, WA1689835803
  8. Charlee Abboud, DOTacoma, WA1174152169
  9. Suad AbdelazizSeattle, WA1306423421
  10. Joonis Abdulkhader, M.D.Seattle, WA1518154335

Common questions

What is James Larsen, DO's NPI number?

James Larsen, DO's National Provider Identifier (NPI) is 1558399162, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Larsen, DO located?

The NPPES record lists a practice address at 317 E Johnson Ave, Chelan, WA, 98816. Phone: (509) 682-6000. Providers update this record themselves, so call before visiting.

How can I verify James Larsen, DO's license?

NPPES lists Washington license number OP00001541, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Larsen, DO prescribe under Medicare Part D?

In 2024, James Larsen, DO had 95 Medicare Part D claims for 21 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions 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.