Dr. Thomas Charles Sroka, MD
Dr. Thomas Charles Sroka is a Radiation Oncology Physician provider (Radiology) practicing in Eugene, OR, registered in the NPPES registry with NPI 1700058021 since 2008. The credential MD stands for Doctor of Medicine. Practices at Oncology Associates of Oregon P C (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1700058021 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Thomas Charles Sroka |
| Credential | MD |
| Sex | Male |
| Practice address | 520 COUNTRY CLUB, Eugene, OR, 97401 |
| Phone | 5416835001 |
| Fax | 5416831422 |
| Enumeration date | 2008-03-26 |
| Last updated in NPPES | 2021-07-15 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 2085R0001X | Radiation Oncology Physician | Secondary | 82131 | AZ |
| 2085R0001X | Radiation Oncology Physician | Secondary | 15775 | NH |
| 2085R0001X | Radiation Oncology Physician | Primary | MD172744 | OR |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Copy-ready billing details
Provider: Thomas Sroka, MD NPI: 1700058021 Taxonomy: 2085R0001X (Radiation Oncology Physician) Address: 520 COUNTRY CLUB, Eugene, OR, 97401
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1861462566 | Keith Goldstein | Individual | Medical Oncology Physician | Eugene, OR |
| 1013989854 | Oncology Associates of Oregon P C | Organization | Hematology & Oncology Physician | Eugene, OR |
| 1639122591 | Matthew Lonergan | Individual | Hematology & Oncology Physician | Eugene, OR |
| 1356447288 | John Fitzharris | Individual | Medical Oncology Physician | Eugene, OR |
| 1245360759 | Benjamin Cho | Individual | Medical Oncology Physician | Eugene, OR |
| 1487971081 | Marc Uemura | Individual | Internal Medicine Physician | Eugene, OR |
| 1376884304 | Sagen Olson | Individual | Medical Physician Assistant | Eugene, OR |
| 1770942708 | Choolwe Mupunga | Individual | Nurse Practitioner | Eugene, OR |
Verify this record
Cross-check NPI 1700058021 against the authoritative CMS record: view Dr. Thomas Charles Sroka on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2021-07-15.