What is Ruth Chan's NPI number?

Ruth Chan's National Provider Identifier (NPI) is 1235773854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ruth Chan's specialty?

Ruth Chan is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).

Where is Ruth Chan located?

Ruth Chan's practice location on file with NPPES is 9305 Lightwave Ave, San Diego, CA 92123-6463.

What is Ruth Chan's phone number?

The practice phone number listed in the NPPES registry for Ruth Chan is (619) 543-5399.

Is Ruth Chan's NPI active?

Yes — Ruth Chan's NPI (1235773854) is active in the NPPES registry as of the last update on 2019-11-06.

IndividualActive

Ruth Chan

NPI 1235773854 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · San Diego, CA

Ruth Chan is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in San Diego, CA (NPI 1235773854).

Provider details

NPI number: 1235773854
Entity type: Individual
Primary specialty: Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
Sex: Female
Sole proprietor: No
License: 70137 (CA)

Specialties & taxonomies

Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPrimary1835P0018XLicense 70137 (CA)
Pharmacy Service Providers

Profile Score

Established profile(65/100 index)

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

Registry tenure38% of score
6 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

9305 Lightwave Ave

San Diego, CA 92123-6463

Phone: (619) 543-5399

Street-level locationGet directions

More CA providers

Mailing address

11179 Provencal Pl

San Diego, CA 92128-3668

Enumerated: 2019-11-06
Last updated: 2019-11-06

Frequently asked questions

What is Ruth Chan's NPI number?: Ruth Chan's National Provider Identifier (NPI) is 1235773854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ruth Chan's specialty?: Ruth Chan is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
Where is Ruth Chan located?: Ruth Chan's practice location on file with NPPES is 9305 Lightwave Ave, San Diego, CA 92123-6463.
What is Ruth Chan's phone number?: The practice phone number listed in the NPPES registry for Ruth Chan is (619) 543-5399.
Is Ruth Chan's NPI active?: Yes — Ruth Chan's NPI (1235773854) is active in the NPPES registry as of the last update on 2019-11-06.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.