What is Denise Siu's NPI number?

Denise Siu's National Provider Identifier (NPI) is 1265971337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Denise Siu's specialty?

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

Where is Denise Siu located?

Denise Siu's practice location on file with NPPES is 1255 W Arrow Hwy, San Dimas, CA 91773-2340.

What is Denise Siu's phone number?

The practice phone number listed in the NPPES registry for Denise Siu is (909) 394-2522.

Is Denise Siu's NPI active?

Yes — Denise Siu's NPI (1265971337) is active in the NPPES registry as of the last update on 2017-02-22.

IndividualActive

Denise Siu

NPI 1265971337 · Pharmacist · San Dimas, CA

Denise Siu is a Pharmacist provider in San Dimas, CA (NPI 1265971337).

Provider details

NPI number: 1265971337
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Sex: Female
Sole proprietor: No
License: 54280 (CA)

Practice location

1255 W Arrow Hwy

San Dimas, CA 91773-2340

Phone: (909) 394-2522

Street-level locationGet directions

More CA providers

Mailing address

1255 W Arrow Hwy

San Dimas, CA 91773-2340

Specialties & taxonomies

PharmacistPrimary183500000XLicense 54280 (CA)
Pharmacy Service Providers

Profile Score

Established profile(71/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
9 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.

Enumerated: 2017-02-22
Last updated: 2017-02-22

Frequently asked questions

What is Denise Siu's NPI number?: Denise Siu's National Provider Identifier (NPI) is 1265971337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Denise Siu's specialty?: Denise Siu is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
Where is Denise Siu located?: Denise Siu's practice location on file with NPPES is 1255 W Arrow Hwy, San Dimas, CA 91773-2340.
What is Denise Siu's phone number?: The practice phone number listed in the NPPES registry for Denise Siu is (909) 394-2522.
Is Denise Siu's NPI active?: Yes — Denise Siu's NPI (1265971337) is active in the NPPES registry as of the last update on 2017-02-22.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions