Thuytrang Nguyen, M.D.
NPI 1861537656 · Internal Medicine Physician · San Juan Capistrano, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thuytrang Nguyen, M.D. is a Internal Medicine Physician provider in San Juan Capistrano, CA (NPI 1861537656).
Provider details
- NPI number
- 1861537656
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A61868 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 66 | 24 |
| Atorvastatin Calcium | 58 | 23 |
| Lisinopril | 47 | 17 |
| Losartan Potassium | 38 | 11 |
| Metformin Hcl | 35 | 12 |
| Omeprazole | 26 | — |
| Hydrochlorothiazide | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-20
- Last updated
- 2021-11-30
Frequently asked questions
- What is Thuytrang Nguyen's NPI number?
- Thuytrang Nguyen's National Provider Identifier (NPI) is 1861537656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thuytrang Nguyen's specialty?
- Thuytrang Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thuytrang Nguyen located?
- Thuytrang Nguyen's practice location on file with NPPES is 30300 Camino Capistrano, San Juan Capistrano, CA 92675-1304.
- What is Thuytrang Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Thuytrang Nguyen is (949) 240-2030.
- Does Thuytrang Nguyen accept Medicare?
- Thuytrang Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thuytrang Nguyen's NPI active?
- Yes — Thuytrang Nguyen's NPI (1861537656) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.