What is Keren Chen's NPI number?

Keren Chen's National Provider Identifier (NPI) is 1336911742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Keren Chen's specialty?

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

Where is Keren Chen located?

Keren Chen's practice location on file with NPPES is 21039 Glenwood Dr, Castro Valley, CA 94552-5242.

What is Keren Chen's phone number?

The practice phone number listed in the NPPES registry for Keren Chen is (510) 861-8978.

Is Keren Chen's NPI active?

Yes — Keren Chen's NPI (1336911742) is active in the NPPES registry as of the last update on 2023-10-27.

IndividualActive

Keren Chen

NPI 1336911742 · Pharmacist · Castro Valley, CA

Keren Chen is a Pharmacist provider in Castro Valley, CA (NPI 1336911742).

Provider details

NPI number: 1336911742
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Sex: Female
Sole proprietor: No
License: 88384 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 88384 (CA)
Pharmacy Service Providers

Profile Score

Established profile(57/100 index)

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

Registry tenure38% of score
2 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

21039 Glenwood Dr

Castro Valley, CA 94552-5242

Phone: (510) 861-8978

Street-level locationGet directions

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Mailing address