What is Allyssa Nguyen's NPI number?

Allyssa Nguyen's National Provider Identifier (NPI) is 1770852394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Allyssa Nguyen's specialty?

Allyssa Nguyen is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Allyssa Nguyen located?

Allyssa Nguyen's practice location on file with NPPES is 2700 W Grand Pkwy N, Katy, TX 77449-1912.

What is Allyssa Nguyen's phone number?

The practice phone number listed in the NPPES registry for Allyssa Nguyen is (346) 307-3085.

Is Allyssa Nguyen's NPI active?

Yes — Allyssa Nguyen's NPI (1770852394) is active in the NPPES registry as of the last update on 2026-05-12.

IndividualActive

Allyssa Nguyen

NPI 1770852394 · Pharmacist · Katy, TX

Allyssa Nguyen is a Pharmacist provider in Katy, TX (NPI 1770852394).

Provider details

NPI number: 1770852394
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Sex: Female
Sole proprietor: Yes
License: 48137 (TX)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 48137 (TX)
Pharmacy Service Providers

Profile Score

Detailed profile(80/100 index)

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

2700 W Grand Pkwy N

Katy, TX 77449-1912

Phone: (346) 307-3085

Fax: (346) 307-3088

Approximate (ZIP-level) locationGet directions

More TX providers

Mailing address