Kelvin Nguyen, M.D.
NPI 1174816821 · Student in an Organized Health Care Education/Training Program · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kelvin Nguyen, M.D. is a Student in an Organized Health Care Education/Training Program provider in Orange, CA (NPI 1174816821).
Provider details
- NPI number
- 1174816821
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 246 | 234 |
| Pantoprazole Sodium | 121 | 59 |
| Omeprazole | 45 | 23 |
| Desipramine Hcl | 33 | — |
| Prucalopride Succinatebrand: Motegrity | 27 | — |
| Metoclopramide Hcl | 26 | — |
| Rifaximinbrand: Xifaxan | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-26
- Last updated
- 2021-11-02
- Certified
- 2021-11-02
Frequently asked questions
- What is Kelvin Nguyen's NPI number?
- Kelvin Nguyen's National Provider Identifier (NPI) is 1174816821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelvin Nguyen's specialty?
- Kelvin Nguyen is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Kelvin Nguyen located?
- Kelvin Nguyen's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Kelvin Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Kelvin Nguyen is (714) 456-6693.
- Does Kelvin Nguyen accept Medicare?
- Kelvin Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kelvin Nguyen's NPI active?
- Yes — Kelvin Nguyen's NPI (1174816821) is active in the NPPES registry as of the last update on 2021-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.