Kathryn T. Chen, MD
Surgical Oncology Physician · Torrance, CA
Kathryn T. Chen, MD is a surgical oncology physician with a practice address in Torrance, California, and NPI 1902066681, issued on Jun 16, 2008. Check the license (California 141528, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kathryn T. Chen
- Credential
- MD
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- 141528 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Carson St Bldg 1E, Torrance, CA 90502
- Phone
- (310) 222-2700
- Enumerated
- Jun 16, 2008
- Record last updated
- Jul 21, 2022
- Fax
- (310) 533-1841
- Medicaid ID
- 110101056A MA
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 250 in California → Look up another NPI →
Also registered at 1000 W Carson St Bldg 1E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Lee, MDColon & Rectal Surgery Physician1629450846
Verify Kathryn T. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 141528Check 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: $21.81
1 payment: food and beverage; the largest payer was Solventum Corporation. The 1,132 providers of this specialty with any payment received $4,224.74 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.
Kathryn T. Chen among 250 surgical oncology physician records in California
Kathryn T. Chen, MD is one of 250 surgical oncology physician records with a practice address in California. 84% 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 50% of them.
- NPI issued2008 · 50% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2022 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in California
There are 250 surgical oncology physician records in California.
All 250 in California → Every provider in Torrance → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Junko Ozao-Choy, M.D.Torrance, CA 905021912165143
- Moshe Faynsod, MDTorrance, CA 905031851361000
- Andrew Nguyen, M.D.Torrance, CA 905031457650707
- Neil Bhayani, MDTorrance, CA 905051881874238
- Bradley Bandera, MDSanta Monica, CA 904041427205681
- Anton Bilchik, M.D., PH.D., M.B.A.Santa Monica, CA 904041609916733
- Nefertiti Brown, M.D.Santa Monica, CA 904041801065685
- Connie Chiu, M.D.Santa Monica, CA 904041821377342
Common questions
What is Kathryn T. Chen, MD's NPI number?
Kathryn T. Chen, MD's National Provider Identifier (NPI) is 1902066681, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn T. Chen, MD located?
The NPPES record lists a practice address at 1000 W Carson St Bldg 1E, Torrance, CA, 90502. Phone: (310) 222-2700. Providers update this record themselves, so call before visiting.
How can I verify Kathryn T. Chen, MD's license?
NPPES lists California license number 141528, 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.