What is Callyn Wu's NPI number?

Callyn Wu's National Provider Identifier (NPI) is 1861222515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Callyn Wu's specialty?

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

Where is Callyn Wu located?

Callyn Wu's practice location on file with NPPES is 5601 Deer Valley Rd, Antioch, CA 94531-8577.

What is Callyn Wu's phone number?

The practice phone number listed in the NPPES registry for Callyn Wu is (925) 813-6589.

Is Callyn Wu's NPI active?

Yes — Callyn Wu's NPI (1861222515) is active in the NPPES registry as of the last update on 2026-04-25.

IndividualActive

Callyn Wu, PHARMD

NPI 1861222515 · Pharmacist · Antioch, CA

Callyn Wu, PHARMD is a Pharmacist provider in Antioch, CA (NPI 1861222515).

Provider details

NPI number: 1861222515
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARMD
Sex: Female
Sole proprietor: No
License: 89752 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 89752 (CA)
Pharmacy Service Providers

Profile Score

Established profile(56/100 index)

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

Registry tenure38% of score
1 yr 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

5601 Deer Valley Rd

Antioch, CA 94531-8577

Phone: (925) 813-6589

Approximate (ZIP-level) locationGet directions

More CA providers

Mailing address

5601 Deer Valley Rd Ste 1045