Joseph Nguyen, MD
NPI 1275982449 · Anesthesiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Nguyen, MD is a Anesthesiology Physician provider in San Diego, CA (NPI 1275982449).
Provider details
- NPI number
- 1275982449
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A161302 (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
10 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
56 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) |
|---|---|---|
| Anesthesia for Other Procedure on Upper Abdomen00790 | 16 | $332 |
| Injection of Local Anesthetic for Abdominal Wall Pain Control on Both Sides Using Imaging Guidance64488 | 15 | $68 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 14 | $162 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 11 | $263 |
Typical Medicare-allowed amounts for these services range $68–$332 (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
- 2016-06-08
- Last updated
- 2022-03-31
- Certified
- 2022-03-31
Frequently asked questions
- What is Joseph Nguyen's NPI number?
- Joseph Nguyen's National Provider Identifier (NPI) is 1275982449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Nguyen's specialty?
- Joseph Nguyen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Nguyen located?
- Joseph Nguyen's practice location on file with NPPES is 3626 Ruffin Rd, San Diego, CA 92123-1810.
- What is Joseph Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Joseph Nguyen is (588) 565-9666.
- Does Joseph Nguyen accept Medicare?
- Joseph Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Nguyen's NPI active?
- Yes — Joseph Nguyen's NPI (1275982449) is active in the NPPES registry as of the last update on 2022-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.