Thuy Trang Nguyen
NPI 1326579822 · Internal Medicine Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thuy Trang Nguyen is a Internal Medicine Physician provider in Ventura, CA (NPI 1326579822).
Provider details
- NPI number
- 1326579822
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- 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 tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
264 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 183 | $80 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 50 | $133 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 31 | $118 |
Typical Medicare-allowed amounts for these services range $80–$133 (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
Additional practice locations (1)
- 505 Parnassus AveBox 0119San Francisco, CA 94143-2204Phone: (415) 476-1528
Registry dates
- Enumerated
- 2017-03-25
- Last updated
- 2022-02-22
- Certified
- 2022-02-22
Frequently asked questions
- What is Thuy Trang Nguyen's NPI number?
- Thuy Trang Nguyen's National Provider Identifier (NPI) is 1326579822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thuy Trang Nguyen's specialty?
- Thuy Trang Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thuy Trang Nguyen located?
- Thuy Trang Nguyen's practice location on file with NPPES is 300 Hillmont Ave, Ventura, CA 93003-1651.
- What is Thuy Trang Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Thuy Trang Nguyen is (805) 657-6000.
- Does Thuy Trang Nguyen accept Medicare?
- Thuy Trang Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thuy Trang Nguyen's NPI active?
- Yes — Thuy Trang Nguyen's NPI (1326579822) is active in the NPPES registry as of the last update on 2022-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.