Dr. Thomas Charles Sroka, MD
- Medicare services, 2024
- 2,395
- Medicare patients, 2024
- 214
- Part D claims, 2024
- 170
- Publications
- 10
- Hospital affiliations
- 2
- Practice address
- 520 Country Club Pkwy, Eugene, OR 97401
- Practice phone
- Call (541) 683-5001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Willamette Valley Cancer Institute and Research Center
Eugene, Oregon
Find Dr. Sroka's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas Charles Sroka is a radiation oncologist in Eugene, Oregon
Dr. Sroka practices at Willamette Valley Cancer Institute and Research Center in Eugene, Oregon.
Dr. Sroka's NPI, 1700058021, was assigned on March 26, 2008. Dr. Sroka graduated from University of Arizona College of Medicine in 1997. Dr. Sroka holds Oregon license MD172744.
- NPI
- 1700058021NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709035413
- NPI enumeration date
- March 26, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (541) 683-5001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Charles Sroka practices at Willamette Valley Cancer Institute and Research Center in Eugene, Oregon
Dr. Sroka's primary practice is Willamette Valley Cancer Institute and Research Center, at 520 Country Club Pkwy, Eugene, OR 97401 in Lane County. The practice phone is (541) 683-5001.
- Willamette Valley Cancer Institute and Research Center520 Country Club Pkwy, Eugene, OR 97401 · Lane CountyPhone(541) 683-5001
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas Charles Sroka is affiliated with 4 sites of care and 1 medical group
Dr. Sroka's primary practice is Willamette Valley Cancer Institute and Research Center in Eugene, Oregon. Dr. Sroka is also affiliated with PeaceHealth Sacred Heart Medical Center RiverBend. The medical group on file is Willamette Valley Cancer Institute & Research Center. Dmand AI also links Dr. Sroka to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas Charles Sroka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sroka practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Willamette Valley Cancer Institute and Research Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Charles Sroka is one of 98 radiation oncologists in Oregon
Radiation oncology is Dr. Sroka's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Sroka's licenses on file in 3 states: Oregon, Arizona and New Hampshire.
Specialties and state licenses
- Radiation oncology, OregonPrimary
- Arizona license
- New Hampshire license
Radiation oncologists near Dr. Sroka
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas Charles Sroka billed Medicare for 2,395 services in 2024
CMS data shows 2,395 Medicare services from Dr. Sroka across 25 procedure codes in 2024, for 214 Medicare patients. Medicare paid $411,132 for them. Every service was in an office.
Dr. Sroka's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,4982024: 1,29314%
- Other services
- 2023: 8562024: 8681%
- Office and hospital visits
- 2023: 1692024: 1681%
- Surgery
- 2023: 452024: 3718%
- Lab and pathology
- 2023: 392024: 2926%
Dr. Sroka compared with the Oregon median for radiation oncologists, 2024
- Dr. Sroka
- Oregon median
- Medicare services
- 2,395vs 8392.9 times
- Medicare patients
- 214vs 14053% above
- Part D claims
- 97vs 472.1 times
Medians across 99 radiation oncologists in Oregon with Dmand AI profiles that report each measure.
Dr. Sroka's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Sroka?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sroka and other radiation oncologists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Charles Sroka treated 214 Medicare patients in 2024, average age 74
CMS counts 214 Medicare patients who saw Dr. Sroka in 2024. The largest group is 65 to 74, with 103 patients. 74% of them have cancer, and 66% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sroka's median patient age at 72, with 45% women.
Dr. Sroka's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sroka's Medicare patients by sex, 2024
- Women10147%
- Men11353%
Chronic conditions among Dr. Sroka's Medicare patients, 2024
- Cancer74%
- High blood pressure66%
- High cholesterol62%
- Arthritis35%
- Chronic kidney disease26%
- Anxiety25%
- COPD24%
- Ischemic heart disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sroka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Charles Sroka wrote 170 Medicare Part D claims in 2024
In 2024, Dr. Sroka wrote 170 Medicare Part D claims for 61 patients. 98% of them were for generic drugs. CMS names the drug for 97 of them, across 3 drugs with 11 or more claims each, at $1,184 in total drug cost. In 2023, CMS named 88 claims across 3 drugs.
Dr. Sroka's Part D claims by kind of drug, 2024
- Generic167 claims98%
- Brand-name and other3 claims2%
Dr. Sroka's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sroka's Part D claims, 2024
- Opioids14%24 of 170 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 882024: 9710%
Drugs named by CMS: 3 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Thomas Charles Sroka offers telehealth to Medicare patients
Dr. Sroka accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sroka as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Thomas Charles Sroka has 10 publications on record
Dmand AI links 10 papers to Dr. Sroka, published from 2011 to 2015. 2013 was the busiest year, with 2. The most frequent topics are Head and Neck Neoplasms, Feasibility Studies and Radiation Injuries. Dr. Sroka has published most often in Front Oncol. Dr. Sroka's most frequent co-authors are Rick D. Davis, MD, Anand Desai and Anand Bharat Desai, MD.
Dr. Sroka's papers by year, 2011 to 2015
Topics Dr. Sroka writes about most
- Head and Neck Neoplasms
- Feasibility Studies
- Radiation Injuries
- Radiotherapy Dosage
- Radiotherapy, Image-Guided
- Radiotherapy, Intensity-Modulated
- Radiotherapy Planning, Computer-Assisted
- Arizona
Dr. Sroka's most frequent co-authors
Recent publications by Dr. Sroka
Geriatr Gerontol Int
See who Dr. Sroka researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sroka works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Charles Sroka received $732 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Sroka from 4 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 71% of the total. Siemens Medical Solutions USA, Inc. paid the most, $617.
General payments to Dr. Sroka by program year, 2016 to 2025
General payments to Dr. Sroka by kind, 2016 to 2025
- Travel and lodging$51671%
- Food and beverage$21629%
Companies that paid Dr. Sroka the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Charles Sroka graduated from University of Arizona College of Medicine
Dr. Sroka graduated from University of Arizona College of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Charles Sroka's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thomas Charles Sroka
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thomas Charles Sroka's NPI number?
Dr. Thomas Charles Sroka's NPI number is 1700058021. It was assigned on March 26, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Charles Sroka?
Dr. Thomas Charles Sroka is a radiation oncologist in Eugene, Oregon. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Thomas Charles Sroka practice?
Dr. Sroka practices at 520 Country Club Pkwy, Eugene, OR 97401. Dr. Sroka's primary practice is Willamette Valley Cancer Institute and Research Center in Eugene, Oregon. Dmand AI also links Dr. Sroka to 1 hospital and 1 group practice or clinic.
What is Dr. Thomas Charles Sroka's office phone number?
The practice phone on file for Dr. Sroka is (541) 683-5001.
What is Dr. Thomas Charles Sroka's medical license number?
Dr. Sroka holds Oregon license MD172744, one of the licenses on file in 3 states.
Which states has Dr. Thomas Charles Sroka been licensed in?
Dmand AI has state licenses on file for Dr. Sroka in Oregon, Arizona and New Hampshire.
Which hospitals is Dr. Thomas Charles Sroka affiliated with?
Dr. Sroka is affiliated with PeaceHealth Sacred Heart Medical Center RiverBend. Dmand AI links Dr. Sroka to 1 more hospital.
What medical group is Dr. Thomas Charles Sroka part of?
Dr. Sroka is linked to Willamette Valley Cancer Institute & Research Center.
Does Dr. Thomas Charles Sroka accept Medicare?
Yes. CMS data shows Dr. Sroka billed Medicare for 2,395 services in 2024, and Dr. Sroka accepts Medicare assignment.
Does Dr. Thomas Charles Sroka offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sroka as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Thomas Charles Sroka see?
CMS counts 214 Medicare patients who saw Dr. Sroka in 2024, with an average age of 74.
What services does Dr. Thomas Charles Sroka bill to Medicare?
In 2024, Dr. Sroka's most billed Medicare services were radiation oncology (77014), medicare service (G6015) and radiation oncology (77336).
Where did Dr. Thomas Charles Sroka go to medical school?
Dr. Sroka graduated from University of Arizona College of Medicine in 1997.
What drugs does Dr. Thomas Charles Sroka prescribe most?
In 2024 Medicare Part D data, Dr. Sroka's most prescribed drugs by claims were Tamsulosin HCl, Oxycodone HCl and Levothyroxine Sodium.
Has Dr. Thomas Charles Sroka received payments from drug or device companies?
CMS Open Payments shows $732 in general payments to Dr. Sroka from 4 companies from 2016 to 2025. The largest total came from Siemens Medical Solutions USA, Inc.
How long has Dr. Thomas Charles Sroka been practicing?
Dr. Sroka graduated from medical school in 1997, 29 years ago.
Does Dr. Thomas Charles Sroka do research?
Dmand AI links 10 publications to Dr. Sroka, published from 2011 to 2015.
Who does Dr. Thomas Charles Sroka publish with?
Dr. Sroka's most frequent co-authors are Rick D. Davis, MD (4 shared papers), Anand Desai (4 shared papers) and Anand Bharat Desai, MD (4 shared papers).
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