Kathryn Chen, MD
NPI 1902066681 · Surgical Oncology Physician · Torrance, CA
Enrolled with Medicare as Order and Referring Only - Surgical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Chen, MD is a Surgical Oncology Physician provider in Torrance, CA (NPI 1902066681).
Provider details
- NPI number
- 1902066681
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 141528 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-16
- Last updated
- 2022-07-21
Frequently asked questions
- What is Kathryn Chen's NPI number?
- Kathryn Chen's National Provider Identifier (NPI) is 1902066681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Chen's specialty?
- Kathryn Chen is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Chen located?
- Kathryn Chen's practice location on file with NPPES is 1000 W Carson St Bldg 1e, Torrance, CA 90502-2004.
- What is Kathryn Chen's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Chen is (310) 222-2700.
- Does Kathryn Chen accept Medicare?
- Kathryn Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Chen's NPI active?
- Yes — Kathryn Chen's NPI (1902066681) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.