Chuck Nguyen, M.D.
NPI 1851583793 · Anesthesiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chuck Nguyen, M.D. is a Anesthesiology Physician provider in Los Angeles, CA (NPI 1851583793).
Provider details
- NPI number
- 1851583793
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A97478 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
362 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 101 | $93 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 65 | $104 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 38 | $98 |
| Anesthesia for Other Procedure on Eye00140 | 36 | $110 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 22 | $104 |
| Anesthesia for Fragmenting, Manipulation And/Or Removal of Kidney Stone Including Use of an Endoscope00918 | 17 | $155 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$278 across 2 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
- 2007-08-14
- Last updated
- 2023-11-27
- Certified
- 2020-10-07
Frequently asked questions
- What is Chuck Nguyen's NPI number?
- Chuck Nguyen's National Provider Identifier (NPI) is 1851583793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chuck Nguyen's specialty?
- Chuck Nguyen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Chuck Nguyen located?
- Chuck Nguyen's practice location on file with NPPES is 1500 San Pablo St, Los Angeles, CA 90033-5313.
- What is Chuck Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Chuck Nguyen is (323) 442-7400.
- Does Chuck Nguyen accept Medicare?
- Chuck Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chuck Nguyen's NPI active?
- Yes — Chuck Nguyen's NPI (1851583793) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.