IndividualActive
Hai Oanh Nguyen
NPI 1629444831 · Pharmacist · Walnut Creek, CA
Hai Oanh Nguyen is a Pharmacist provider in Walnut Creek, CA (NPI 1629444831).
Provider details
- NPI number
- 1629444831
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 68237 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
501 Lennon Ln
Walnut Creek, CA 94598-2414
Phone: (925) 926-7557
Street-level locationGet directions
Mailing address
165 Stevenson Blvd
Fremont, CA 94539-5176
Registry dates
- Enumerated
- 2015-08-11
- Last updated
- 2021-11-26
- Certified
- 2021-11-26
Frequently asked questions
- What is Hai Oanh Nguyen's NPI number?
- Hai Oanh Nguyen's National Provider Identifier (NPI) is 1629444831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hai Oanh Nguyen's specialty?
- Hai Oanh Nguyen is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Hai Oanh Nguyen located?
- Hai Oanh Nguyen's practice location on file with NPPES is 501 Lennon Ln, Walnut Creek, CA 94598-2414.
- What is Hai Oanh Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Hai Oanh Nguyen is (925) 926-7557.
- Is Hai Oanh Nguyen's NPI active?
- Yes — Hai Oanh Nguyen's NPI (1629444831) is active in the NPPES registry as of the last update on 2021-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.