Hau Nguyen, M.D.
NPI 1326306994 · Internal Medicine Physician · Fresno, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hau Nguyen, M.D. is a Internal Medicine Physician provider in Fresno, CA (NPI 1326306994).
Provider details
- NPI number
- 1326306994
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A127430 (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
14 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
- 2012-05-02
- Last updated
- 2022-02-21
- Certified
- 2022-02-21
Frequently asked questions
- What is Hau Nguyen's NPI number?
- Hau Nguyen's National Provider Identifier (NPI) is 1326306994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hau Nguyen's specialty?
- Hau Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hau Nguyen located?
- Hau Nguyen's practice location on file with NPPES is 2615 E Clinton Ave, Fresno, CA 93703-2223.
- What is Hau Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Hau Nguyen is (408) 839-0618.
- Does Hau Nguyen accept Medicare?
- Hau Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hau Nguyen's NPI active?
- Yes — Hau Nguyen's NPI (1326306994) is active in the NPPES registry as of the last update on 2022-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.