What is Karen Chang's NPI number?

Karen Chang's National Provider Identifier (NPI) is 1861338766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Karen Chang's specialty?

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

Where is Karen Chang located?

Karen Chang's practice location on file with NPPES is 17777 Center Court Dr. Cerritos, Ca, Cerritos, CA 90703.

What is Karen Chang's phone number?

The practice phone number listed in the NPPES registry for Karen Chang is (877) 577-4844.

Is Karen Chang's NPI active?

Yes — Karen Chang's NPI (1861338766) is active in the NPPES registry as of the last update on 2026-04-24.

IndividualActive

Karen Chang, PHARMD

NPI 1861338766 · Pharmacist · Cerritos, CA

Karen Chang, PHARMD is a Pharmacist provider in Cerritos, CA (NPI 1861338766).

Provider details

NPI number: 1861338766
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARMD
Sex: Female
Sole proprietor: No
License: 41961 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 41961 (CA)
Pharmacy Service Providers

Profile Score

Established profile(53/100 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

17777 Center Court Dr. Cerritos, Ca

Suite 550

Cerritos, CA 90703

Phone: (877) 577-4844

Fax: (877) 445-8821

Street-level locationGet directions

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Mailing address