John Thomas Fitzharris, M.D.
Medical Oncology Physician · Eugene, OR
John Thomas Fitzharris, M.D. is a medical oncology physician with a practice address in Eugene, Oregon, and NPI 1356447288, issued on Sep 16, 2006. Check the license (Oregon MD21945, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Thomas Fitzharris
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- MD21945 OR
Self-reported in NPPES; status is on the state search - Practice location
- 520 Country Club, Eugene, OR 97401
- Phone
- (541) 683-5001
- Enumerated
- Sep 16, 2006
- Record last updated
- Aug 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (541) 683-1422
- Medicare enrollment
- Enrolled (PECOS I20131014001400); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 107 in Oregon → Look up another NPI →
Also registered at 520 Country Club
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin Cho, M.D.Medical Oncology Physician1245360759
- Keith Goldstein, M.D.Medical Oncology Physician1861462566
- Matthew Lonergan, MDHematology & Oncology Physician1639122591
- Choolwe Mupunga, NPFPsychiatric/Mental Health Nurse Practitioner1770942708
- Sagen Olson, PA-CMedical Physician Assistant1376884304
- Thomas Sroka, MDRadiation Oncology Physician1700058021
Verify John Thomas Fitzharris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD21945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average medical oncology physician in 2024
183 Medicare Part D claims for 58 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 11 claims were for opioids.
Most prescribed
- Prednisone17 claims
- Ondansetron Odt16 claims
- Dexamethasone13 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Oncology Associates OF Oregon P CEugene, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Thomas Fitzharris among 107 medical oncology physician records in Oregon
John Thomas Fitzharris, M.D. is one of 107 medical oncology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 49% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1998 · median 2003 among the 76 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Oregon
There are 107 medical oncology physician records in Oregon.
All 107 in Oregon → Every provider in Eugene → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Benjamin Cho, M.D.Eugene, OR 974011245360759
- Joseph Fiorillo, M.D.Eugene, OR 974011427250505
- Keith Goldstein, M.D.Eugene, OR 974011861462566
- David Hufnagel, D.O.Eugene, OR 974011780674036
- Jeff Sharman, M.D.Eugene, OR 974011659596179
- Unknown Cherry, MDCoos Bay, OR 974201689659377
- Alice Luknic, MDNewport, OR 973651598798191
- Michael Oneil, MDRoseburg, OR 974711134103252
Common questions
What is John Thomas Fitzharris, M.D.'s NPI number?
John Thomas Fitzharris, M.D.'s National Provider Identifier (NPI) is 1356447288, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas Fitzharris, M.D. located?
The NPPES record lists a practice address at 520 Country Club, Eugene, OR, 97401. Phone: (541) 683-5001. Providers update this record themselves, so call before visiting.
How can I verify John Thomas Fitzharris, M.D.'s license?
NPPES lists Oregon license number MD21945, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Thomas Fitzharris, M.D. prescribe under Medicare Part D?
In 2024, John Thomas Fitzharris, M.D. had 183 Medicare Part D claims for 58 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is John Thomas Fitzharris, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.