What is Christopher Chang's NPI number?

Christopher Chang's National Provider Identifier (NPI) is 1780085837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Christopher Chang's specialty?

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

Where is Christopher Chang located?

Christopher Chang's practice location on file with NPPES is 1800 Harrison St Fl 13, Oakland, CA 94612-3466.

What is Christopher Chang's phone number?

The practice phone number listed in the NPPES registry for Christopher Chang is (510) 219-6352.

Is Christopher Chang's NPI active?

Yes — Christopher Chang's NPI (1780085837) is active in the NPPES registry as of the last update on 2022-03-01.

IndividualActive

Christopher Chang, PHARMD

NPI 1780085837 · Pharmacist · Oakland, CA

Christopher Chang, PHARMD is a Pharmacist provider in Oakland, CA (NPI 1780085837).

Provider details

NPI number: 1780085837
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARMD
Sex: Male
Sole proprietor: No
License: 71312 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 71312 (CA)
Pharmacy Service Providers

Profile Score

Detailed profile(75/100 index)

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

Registry tenure38% of score
11 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

1800 Harrison St Fl 13

Oakland, CA 94612-3466

Phone: (510) 219-6352

Street-level locationGet directions

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Mailing address