What is Gerald Siazon's NPI number?

Gerald Siazon's National Provider Identifier (NPI) is 1689956039, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gerald Siazon's specialty?

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

Where is Gerald Siazon located?

Gerald Siazon's practice location on file with NPPES is 20901 Devonshire St, Chatsworth, CA 91311-2313.

What is Gerald Siazon's phone number?

The practice phone number listed in the NPPES registry for Gerald Siazon is (818) 341-4339.

Is Gerald Siazon's NPI active?

Yes — Gerald Siazon's NPI (1689956039) is active in the NPPES registry as of the last update on 2011-09-12.

IndividualActive

Gerald Siazon, PHARM D

NPI 1689956039 · Pharmacist · Chatsworth, CA

Gerald Siazon, PHARM D is a Pharmacist provider in Chatsworth, CA (NPI 1689956039).

Provider details

NPI number: 1689956039
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARM D
Sex: Male
Sole proprietor: Yes
License: 62285 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 62285 (CA)
Pharmacy Service Providers

Profile Score

Detailed profile(81/100 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

20901 Devonshire St

Chatsworth, CA 91311-2313

Phone: (818) 341-4339

Fax: (818) 341-4713

Street-level locationGet directions

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Mailing address