Austin Nguyen, MD
NPI 1083109797 · Anesthesiology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Austin Nguyen, MD is a Anesthesiology Physician provider in Orange, CA (NPI 1083109797).
Provider details
- NPI number
- 1083109797
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3593-8580 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
47 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Other Nerve Or Branch64450 | 19 | $33 |
| Ultrasonic Guidance for Needle Placement76942 | 16 | $33 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 12 | $52 |
Typical Medicare-allowed amounts for these services range $33–$52 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-25
- Last updated
- 2025-03-20
- Certified
- 2025-03-20
Frequently asked questions
- What is Austin Nguyen's NPI number?
- Austin Nguyen's National Provider Identifier (NPI) is 1083109797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Austin Nguyen's specialty?
- Austin Nguyen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Austin Nguyen located?
- Austin Nguyen's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Austin Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Austin Nguyen is (714) 456-6661.
- Does Austin Nguyen accept Medicare?
- Austin Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Austin Nguyen's NPI active?
- Yes — Austin Nguyen's NPI (1083109797) is active in the NPPES registry as of the last update on 2025-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.