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Dr. Donald James Weeks, PHARMD

Dr. Donald James Weeks is a Pharmacist provider (Pharmacist) practicing in Fallbrook, CA, registered in the NPPES registry with NPI 1659743003 since 2015. The credential PHARMD stands for Doctor of Pharmacy. Practices at Garfield Beach Cvs LLC (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1659743003
Entity type Individual (Type 1)
Name Dr. Donald James Weeks
Credential PHARMD
Sex Male
Practice address Fallbrook, CA, 92028
Phone 7607235721
Fax 7607231336
Enumeration date 2015-10-26
Last updated in NPPES 2015-10-26

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
183500000X Pharmacist Primary RPH 38871 CA

PHARMD — Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD credential

Copy-ready billing details
Provider: Donald Weeks, PHARMD
NPI: 1659743003
Taxonomy: 183500000X (Pharmacist)
Address: Fallbrook, CA, 92028

Other providers at this practice address

NPI Name Type Specialty Location
1154362028 Garfield Beach Cvs LLC Organization Pharmacy Fallbrook, CA
1306218581 Brettsen Todd Individual Pharmacist Fallbrook, CA
1790157030 Kim Van Individual Pharmacist Fallbrook, CA
1568834646 Jan Pieters Individual Pharmacist Fallbrook, CA
1063885762 Megan Tang Individual Pharmacist Fallbrook, CA
1932746088 Zainul Lalji Individual Pharmacist Fallbrook, CA
1982461182 Shamaela Kidwai Zaidi Individual Pharmacist Fallbrook, CA

Verify this record

Cross-check NPI 1659743003 against the authoritative CMS record: view Dr. Donald James Weeks on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Donald Weeks practice?
The practice location on file with NPPES is in Fallbrook, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Donald Weeks?
The National Provider Identifier (NPI) for Donald Weeks is 1659743003, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2015-10-26.