OrganizationActive
Costco Pharmacy
NPI 1427428044 · Pharmacist · Rancho Cucamonga, CA
Costco Pharmacy is a Pharmacist organization in Rancho Cucamonga, CA (NPI 1427428044).
Provider details
- NPI number
- 1427428044
- Entity type
- Organization
- Primary specialty
- PharmacistPharmacy Service Providers
- Organization subpart
- No
- Authorized official
- Natalia Calef, Pharmacy Manager(909) 581-1700
- License
- 46010 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(73/100 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
11800 4th St
Rancho Cucamonga, CA 91730-6129
Phone: (909) 581-1700
Street-level locationGet directions
Mailing address
11800 4th St
Rancho Cucamonga, CA 91730-6129
Registry dates
- Enumerated
- 2015-09-25
- Last updated
- 2015-09-25
Frequently asked questions
- What is Costco Pharmacy's NPI number?
- Costco Pharmacy's National Provider Identifier (NPI) is 1427428044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Costco Pharmacy?
- Costco Pharmacy is classified in the NPPES registry as Pharmacist (Pharmacy Service Providers).
- Where is Costco Pharmacy located?
- Costco Pharmacy's practice location on file with NPPES is 11800 4th St, Rancho Cucamonga, CA 91730-6129.
- What is Costco Pharmacy's phone number?
- The practice phone number listed in the NPPES registry for Costco Pharmacy is (909) 581-1700.
- Who is the authorized official for Costco Pharmacy?
- The authorized official listed on Costco Pharmacy's NPPES record is Natalia Calef, Pharmacy Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Costco Pharmacy's NPI active?
- Yes — Costco Pharmacy's NPI (1427428044) is active in the NPPES registry as of the last update on 2015-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.