Khoa Nguyen, MD
NPI 1235203555 · Internal Medicine Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Khoa Nguyen, MD is a Internal Medicine Physician provider in San Jose, CA (NPI 1235203555).
Provider details
- NPI number
- 1235203555
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A73945 (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 · 110 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 610 | 211 |
| Losartan Potassium | 589 | 204 |
| Tamsulosin Hcl | 357 | 121 |
| Amlodipine Besylate | 298 | 116 |
| Simvastatin | 246 | 83 |
| Levothyroxine Sodium | 240 | 70 |
| Hydrochlorothiazide | 226 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-20
- Last updated
- 2021-12-22
Frequently asked questions
- What is Khoa Nguyen's NPI number?
- Khoa Nguyen's National Provider Identifier (NPI) is 1235203555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Khoa Nguyen's specialty?
- Khoa Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Khoa Nguyen located?
- Khoa Nguyen's practice location on file with NPPES is 260 International Cir, San Jose, CA 95119-1130.
- What is Khoa Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Khoa Nguyen is (408) 972-7000.
- Does Khoa Nguyen accept Medicare?
- Khoa Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Khoa Nguyen's NPI active?
- Yes — Khoa Nguyen's NPI (1235203555) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.