Registry data as of Aug 27, 2026

Ann Diamond, MD

Family Medicine Physician · Chelan, WA

Ann Diamond, MD is a family medicine physician with a practice address in Chelan, Washington, and NPI 1033137385, issued on Jul 17, 2006. Check the license (Washington MD00033304, 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
1033137385
Name
Ann Diamond
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD00033304 WA
Self-reported in NPPES; status is on the state search
Practice location
503 E Highland Ave, Chelan, WA 98816
Phone
(509) 682-3300
Enumerated
Jul 17, 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 503 E Highland Ave

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

  1. Tabetha Bradley, M.D.Surgery Physician1861695512
  2. Donald Cox, CRNAAnesthesiologist Assistant1629045836
  3. David Ellis, CRNAAnesthesiologist Assistant1619944709
  4. Krista Frahm, OTOccupational Therapist1225590128
  5. Katherine Hevly, APNPRehabilitation Clinical Nurse Specialist1205803368
  6. Christy Nielsen, PHARMDPharmacist1023496601

Verify Ann Diamond in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00033304
    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.

98% fewer Medicare Part D claims than the average family medicine physician in 2024

61 Medicare Part D claims for 22 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Ann Diamond61
  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. Dhhs Phs Naihs Shiprock HospitalShiprock, NM

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 Ann Diamond, MD's NPI number?

Ann Diamond, MD's National Provider Identifier (NPI) is 1033137385, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ann Diamond, MD located?

The NPPES record lists a practice address at 503 E Highland Ave, Chelan, WA, 98816. Phone: (509) 682-3300. Providers update this record themselves, so call before visiting.

How can I verify Ann Diamond, MD's license?

NPPES lists Washington license number MD00033304, 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 Ann Diamond, MD prescribe under Medicare Part D?

In 2024, Ann Diamond, MD had 61 Medicare Part D claims for 22 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.