Huu Nguyen, D.O.
NPI 1811966492 · Internal Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Huu Nguyen, D.O. is a Internal Medicine Physician provider in Walnut Creek, CA (NPI 1811966492).
Provider details
- NPI number
- 1811966492
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A9220 (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
20 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
- 2006-03-16
- Last updated
- 2015-03-24
Frequently asked questions
- What is Huu Nguyen's NPI number?
- Huu Nguyen's National Provider Identifier (NPI) is 1811966492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Huu Nguyen's specialty?
- Huu Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Huu Nguyen located?
- Huu Nguyen's practice location on file with NPPES is 1990 N California Blvd, Walnut Creek, CA 94596.
- What is Huu Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Huu Nguyen is (925) 225-5837.
- Does Huu Nguyen accept Medicare?
- Huu Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Huu Nguyen's NPI active?
- Yes — Huu Nguyen's NPI (1811966492) is active in the NPPES registry as of the last update on 2015-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.