William V. Harrer, M.D.
Medical Oncology Physician · Sequim, WA
William V. Harrer, M.D. is a medical oncology physician with a practice address in Sequim, Washington, and NPI 1972584217, issued on Nov 11, 2005. Check the license (Washington MD61473306, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- William V. Harrer
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- MD61473306 WA
ME81806 FL
Self-reported in NPPES; status is on the state search - Practice location
- 844 N 5TH Ave, Sequim, WA 98382
- Phone
- (360) 839-8953
- Enumerated
- Nov 11, 2005
- Record last updated
- Oct 12, 2023
- Fax
- (605) 825-6143
- Medicaid ID
- 263087700 FL
- Medicare enrollment
- Enrolled (PECOS I20240102003161); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 844 N 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charene Alderman, ARNPNurse Practitioner1013952738
- Donna Cameron, RNRegistered Nurse1932065075
- Lesley Cruz, DNP, ARNPNurse Practitioner1356047518
- Susan Feeney, MDRadiation Oncology Physician1750321469
- Thomas Fitzgerald, MD PH DHematology & Oncology Physician1336134766
- Lindsay JensenRadiation Oncology Physician1649601386
Verify William V. Harrer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61473306Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average medical oncology physician in 2024
677 Medicare Part D claims for 186 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 24 claims were for opioids.
Most prescribed
- Anastrozole46 claims
- Potassium Chloride31 claims
- Ondansetron Odt30 claims
- Xarelto24 claims
- Hydroxyurea23 claims
- Eliquis22 claims
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): 81 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $84.40
4 payments; by number, the most common kind was food and beverage; the largest payer was Incyte Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 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.
Bills Medicare through one group practice
- Lutheran Hospital Association OF The San Luis ValleyAlamosa, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
7 medical oncology physician records list a practice address in Sequim
They are 7 of the 530 NPPES records with a practice address in Sequim, and 183 medical oncology physician records in Washington.
All 7 in Sequim → All 183 in Washington → Every provider in Sequim →
Other medical oncology physician records in Washington
- Amr Abd-Al-Ghaffar, MDWenatchee, WA1114904323
- Alireza Abdolmohammadi, MDTacoma, WA1871816207
- Manoj Agarwal, MD, MBABurien, WA1700891900
- Vyshak Alva Venur, M.DSeattle, WA1003171976
- Richard Ancheta, M.D.Everett, WA1184924870
- Willard Andes, MDLongview, WA1639215932
- Mirela Andrei, M.D.Spokane, WA1578875225
- Frederick AppelbaumSeattle, WA1356426183
- Navanshu Arora, MDRenton, WA1053366237
- Anthony Back, MDSeattle, WA1932285731
Common questions
What is William V. Harrer, M.D.'s NPI number?
William V. Harrer, M.D.'s National Provider Identifier (NPI) is 1972584217, issued on Nov 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William V. Harrer, M.D. located?
The NPPES record lists a practice address at 844 N 5TH Ave, Sequim, WA, 98382. Phone: (360) 839-8953. Providers update this record themselves, so call before visiting.
How can I verify William V. Harrer, M.D.'s license?
NPPES lists Washington license number MD61473306, 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 William V. Harrer, M.D. prescribe under Medicare Part D?
In 2024, William V. Harrer, M.D. had 677 Medicare Part D claims for 186 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is William V. Harrer, M.D.'s MIPS final score?
The 2023 MIPS final score is 81 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.