Simon Chi, DO
NPI 1841674025 · Critical Care Medicine (Internal Medicine) Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Simon Chi, DO is a Critical Care Medicine (Internal Medicine) Physician provider in Torrance, CA (NPI 1841674025).
Provider details
- NPI number
- 1841674025
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
623 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 321 | $226 |
| Critical Care, Each Additional 30 Minutes99292 | 86 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 69 | $129 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 46 | $85 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 35 | $182 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 18 | $147 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$169 across 3 records (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
- 2015-07-16
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is Simon Chi's NPI number?
- Simon Chi's National Provider Identifier (NPI) is 1841674025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Simon Chi's specialty?
- Simon Chi is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Simon Chi located?
- Simon Chi's practice location on file with NPPES is 4101 Torrance Blvd, Torrance, CA 90503-4607.
- What is Simon Chi's phone number?
- The practice phone number listed in the NPPES registry for Simon Chi is (310) 540-7676.
- Does Simon Chi accept Medicare?
- Simon Chi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Simon Chi's NPI active?
- Yes — Simon Chi's NPI (1841674025) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.