NPPES file of Aug 9, 2026

Dustan C. Osborn, MD, PHD

Hematology & Oncology Physician · Chehalis, WA

Dustan C. Osborn, MD, PHD is a hematology & oncology physician with a practice address in Chehalis, Washington, and NPI 1528061132, issued on May 27, 2005. Check the license (Washington MD00021486, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528061132
Name
Dustan C. Osborn
Credential
MD, PHD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
MD00021486 WA
MED-PHYS-LIC-109470 MT
Self-reported in NPPES; status is on the state search
Practice location
1201 Bishop RD, Chehalis, WA 98532
Phone
(360) 345-1381
Enumerated
May 27, 2005
Record last updated
Jun 30, 2022
Fax
(360) 345-1382
Medicaid ID
1011980 WA
Medicare enrollment
Enrolled (PECOS I20241030001352); accepts Medicare assignment
Medical or professional school
Dalhousie University, Faculty Of Medicine, 1978
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1201 Bishop RD

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

  1. Marles Geist, RN, ARNPAdult Health Nurse Practitioner1073759486

Verify Dustan C. Osborn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00021486
    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.

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88% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

101 Medicare Part D claims for 46 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Dustan Osborn101
  2. Specialty average877

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 86.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.3
  2. Costout of 100 · 30%73.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Queens North Hawaii Community HospitalKamuela, HI
  2. University OF Vermont Medical Center IncBurlington, VT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dustan C. Osborn among 476 hematology & oncology physician records in Washington

Dustan C. Osborn, MD, PHD is one of 476 hematology & oncology physician records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1978 · median 2006 among the 294 with a school on file
  • Record last updated2022 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Washington

There are 476 hematology & oncology physician records in Washington.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Rachna Anand, DOOlympia, WA 985061467778472
  2. Jennifer Dacus, MDOlympia, WA 985061538158571
  3. Monique Semien, MDOlympia, WA 985061013095660
  4. Shanthi Srinivas, M.DOlympia, WA 985061164446811
  5. Vinh Trang, M.D.Olympia, WA 985061477810612
  6. Cynthia Aller, D.O., PH.D.Lacey, WA 985031194906016
  7. Daniel Byrd, MDLacey, WA 985031821112293
  8. Anish Konde, M.D.Lacey, WA 985031417343971

Common questions

What is Dustan C. Osborn, MD, PHD's NPI number?

Dustan C. Osborn, MD, PHD's National Provider Identifier (NPI) is 1528061132, issued on May 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dustan C. Osborn, MD, PHD located?

The NPPES record lists a practice address at 1201 Bishop RD, Chehalis, WA, 98532. Phone: (360) 345-1381. Providers update this record themselves, so call before visiting.

How can I verify Dustan C. Osborn, MD, PHD's license?

NPPES lists Washington license number MD00021486, 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 Dustan C. Osborn, MD, PHD prescribe under Medicare Part D?

In 2024, Dustan C. Osborn, MD, PHD had 101 Medicare Part D claims for 46 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Dustan C. Osborn, MD, PHD's MIPS final score?

The 2023 MIPS final score is 86.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.