What is Douglas Pham's NPI number?

Douglas Pham's National Provider Identifier (NPI) is 1689506594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Douglas Pham's specialty?

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

Where is Douglas Pham located?

Douglas Pham's practice location on file with NPPES is 369 W Fern Dr, Fullerton, CA 92832-1221.

What is Douglas Pham's phone number?

The practice phone number listed in the NPPES registry for Douglas Pham is (714) 313-2089.

Is Douglas Pham's NPI active?

Yes — Douglas Pham's NPI (1689506594) is active in the NPPES registry as of the last update on 2026-06-03.

IndividualActive

Douglas Pham

NPI 1689506594 · Pharmacist · Fullerton, CA

Douglas Pham is a Pharmacist provider in Fullerton, CA (NPI 1689506594).

Provider details

NPI number: 1689506594
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Sex: Male
Sole proprietor: Yes
License: 92409 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 92409 (CA)
Pharmacy Service Providers

Profile Score

Established profile(52/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

369 W Fern Dr

Fullerton, CA 92832-1221

Phone: (714) 313-2089

Street-level locationGet directions

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Mailing address