Thomas Simko, MD
Radiation Oncology Physician · Torrance, CA
Thomas Simko, MD is a radiation oncology physician with a practice address in Torrance, California, and NPI 1558382465, issued on Jul 23, 2006. Check the license (California G27144, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Simko
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- G27144 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3330 Lomita Blvd, Torrance, CA 90505
- Phone
- (909) 263-0321
- Enumerated
- Jul 23, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 6528921 CA
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 3330 Lomita Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Albano, MS, RDNRegistered Dietitian1235987447
- Mark Ancheta, M.D.Anesthesiology Physician1750303020
- Elisa Anhalt, MDEmergency Medicine Physician1194773424
- Michael Anzivino, MDCritical Care Medicine (Internal Medicine) Physician1164479119
- Anthony Arellano-Kruse, M.D.Anesthesiology Physician1144358755
- Gregory Baetge, M.D.Anatomic Pathology & Clinical Pathology Physician1962507657
Verify Thomas Simko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G27144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $98.65
1 payment: food and beverage; the largest payer was Pfizer Inc. The 3,275 providers of this specialty with any payment received $1,897.85 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.
Thomas Simko among 735 radiation oncology physician records in California
Thomas Simko, MD is one of 735 radiation oncology physician records with a practice address in California. 83% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2007 · 55% 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 California 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 California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in Torrance → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Rebecca Philipson, M.D.Torrance, CA 905051184079766
- Andrew Schumacher, M.D.Torrance, CA 905051023457173
- Samuel Zhang, MDTorrance, CA 905051295354702
- Alessandra Amadeo, MDTorrance, CA 905031225011034
- Garth GreenTorrance, CA 905031366426421
- Arthur Zimmerman, M.D.Torrance, CA 905021154464337
- Richard Li, MDWhittier, CA 906021174973739
- Lisa Chaiken, MDSanta Monica, CA 904041528062023
Common questions
What is Thomas Simko, MD's NPI number?
Thomas Simko, MD's National Provider Identifier (NPI) is 1558382465, issued on Jul 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Simko, MD located?
The NPPES record lists a practice address at 3330 Lomita Blvd, Torrance, CA, 90505. Phone: (909) 263-0321. Providers update this record themselves, so call before visiting.
How can I verify Thomas Simko, MD's license?
NPPES lists California license number G27144, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.