NPPES file of Aug 9, 2026

Thomas Charles Sroka, MD

Radiation Oncology Physician · Eugene, OR

Thomas Charles Sroka, MD is a radiation oncology physician with a practice address in Eugene, Oregon, and NPI 1700058021, issued on Mar 26, 2008. Check the license (Oregon MD172744, as entered in NPPES) on the Oregon Medical Board; 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
1700058021
Name
Thomas Charles Sroka
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
MD172744 OR
82131 AZ
15775 NH
Self-reported in NPPES; status is on the state search
Practice location
520 Country Club, Eugene, OR 97401
Phone
(541) 683-5001
Enumerated
Mar 26, 2008
Record last updated
Jul 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(541) 683-1422
Medicare enrollment
Enrolled (PECOS I20150729007631); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 1997
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 520 Country Club

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

  1. Benjamin Cho, M.D.Medical Oncology Physician1245360759
  2. John Fitzharris, M.D.Medical Oncology Physician1356447288
  3. Keith Goldstein, M.D.Medical Oncology Physician1861462566
  4. Matthew Lonergan, MDHematology & Oncology Physician1639122591
  5. Choolwe Mupunga, NPFPsychiatric/Mental Health Nurse Practitioner1770942708
  6. Sagen Olson, PA-CMedical Physician Assistant1376884304

Verify Thomas Charles Sroka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD172744
    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 Oregon license search

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27% more Medicare Part D claims than the average radiation oncology physician in 2024

170 Medicare Part D claims for 61 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Thomas Sroka170
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl67 claims
  2. Oxycodone Hcl17 claims
  3. Levothyroxine Sodium13 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): 92.3 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.

  1. Qualityout of 100 · 30% of the final score82.4
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. 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).

Thomas Charles Sroka among 115 radiation oncology physician records in Oregon

Thomas Charles Sroka, MD is one of 115 radiation oncology physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.

  • NPI issued2008 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1997 · median 2006 among the 85 with a school on file
  • Record last updated2021 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Oregon

There are 115 radiation oncology physician records in Oregon.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Michael Bullock, MDEugene, OR 974011669458758
  2. Emily Dunn, M.D.Eugene, OR 974011780902783
  3. David Fryefield, MDEugene, OR 974011255317335
  4. Julie Gemmell, MDEugene, OR 974011134105224
  5. Haidy Lee, MDEugene, OR 974011922211424
  6. Merideth Wendland, M.DEugene, OR 974011477502813
  7. Brian Fuller, M.D.Coos Bay, OR 974201396834412
  8. Carl Jenson, MDCoos Bay, OR 974201659317097

Common questions

What is Thomas Charles Sroka, MD's NPI number?

Thomas Charles Sroka, MD's National Provider Identifier (NPI) is 1700058021, issued on Mar 26, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Charles Sroka, MD 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 Thomas Charles Sroka, MD's license?

NPPES lists Oregon license number MD172744, 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 Thomas Charles Sroka, MD prescribe under Medicare Part D?

In 2024, Thomas Charles Sroka, MD had 170 Medicare Part D claims for 61 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Thomas Charles Sroka, MD's MIPS final score?

The 2023 MIPS final score is 92.3 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.