Vivian Nguyen MD Professional Corp
NPI 1033878384 · Internal Medicine Physician · Westminster, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivian Nguyen MD Professional Corp is a Internal Medicine Physician organization in Westminster, CA (NPI 1033878384).
Provider details
- NPI number
- 1033878384
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Vivian Nguyen, President(714) 403-9748
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
4 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-12-14
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is Vivian Nguyen MD Professional Corp's NPI number?
- Vivian Nguyen MD Professional Corp's National Provider Identifier (NPI) is 1033878384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Vivian Nguyen MD Professional Corp?
- Vivian Nguyen MD Professional Corp is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vivian Nguyen MD Professional Corp located?
- Vivian Nguyen MD Professional Corp's practice location on file with NPPES is 8419 Westminster Blvd, Westminster, CA 92683-3308.
- What is Vivian Nguyen MD Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for Vivian Nguyen MD Professional Corp is (714) 403-9748.
- Does Vivian Nguyen MD Professional Corp accept Medicare?
- Vivian Nguyen MD Professional Corp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Vivian Nguyen MD Professional Corp?
- The authorized official listed on Vivian Nguyen MD Professional Corp's NPPES record is Vivian Nguyen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Vivian Nguyen MD Professional Corp's NPI active?
- Yes — Vivian Nguyen MD Professional Corp's NPI (1033878384) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.