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Dr. Simon Chi, DO

Critical Care Medicine (Critical Care Medicine (Internal Medicine) Physician)

4101 Torrance Blvd
Torrance, CA 90503

Who else practices at this address →

Los Angeles County includes primary care (7% of residents) and mental health (13% of residents) shortage areas. About shortage areas

Call (310) 540-7676

  • Medicare participating

At a glance

Years since graduation
10
In the NPI registry since
2015
Medicare patients seen, 2024
259

Licensed in California since 2017, according to the Osteopathic Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2015Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Critical Care Medicine (Internal Medicine) Physician primary
    CA license 20A15898 (first issued 2017; current)
  • Student in an Organized Health Care Education/Training Program

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Critical Care Medicine per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
259
Services billed
675
Patients’ average age
73
Most frequent Medicare services, 2023
ServiceTimesPatients
Critical care, each additional 30 minutes1,034159
Critical care, first 30-74 minutes566193
Emergency department visit with high level of medical decision making3231
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only2626
Emergent insertion of breathing tube into windpipe using an endoscope2019
Ultrasonic guidance for blood vessel access1918
Insertion of non-tunneled central venous tube for infusion (5 years or older)1717

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Other Critical Care Medicine clinicians in Torrance

Sources

NPI registry (CMS NPPES, November 2026; record last updated March 26, 2025), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1841674025. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.