IndividualActive
Alexander Guo, PHARM.D.
NPI 1326406166 · Pharmacist · San Diego, CA
Alexander Guo, PHARM.D. is a Pharmacist provider in San Diego, CA (NPI 1326406166).
Provider details
- NPI number
- 1326406166
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- No
- License
- RPH 71159 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
4647 Zion Ave
San Diego, CA 92120-2507
Phone: (909) 618-7492
Street-level locationGet directions
Mailing address
17129 Rocky Bend Ct
Riverside, CA 92503-0246
Registry dates
- Enumerated
- 2016-02-08
- Last updated
- 2016-02-08
Frequently asked questions
- What is Alexander Guo's NPI number?
- Alexander Guo's National Provider Identifier (NPI) is 1326406166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Guo's specialty?
- Alexander Guo is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Alexander Guo located?
- Alexander Guo's practice location on file with NPPES is 4647 Zion Ave, San Diego, CA 92120-2507.
- What is Alexander Guo's phone number?
- The practice phone number listed in the NPPES registry for Alexander Guo is (909) 618-7492.
- Is Alexander Guo's NPI active?
- Yes — Alexander Guo's NPI (1326406166) is active in the NPPES registry as of the last update on 2016-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.