IndividualActive
Margaret Winchester, RPH
NPI 1134545205 · Pharmacist · Corona, CA
Margaret Winchester, RPH is a Pharmacist provider in Corona, CA (NPI 1134545205).
Provider details
- NPI number
- 1134545205
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- RPH
- Sex
- Female
- Sole proprietor
- No
- License
- RPH45349 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
2661 Green River Rd
Corona, CA 92882-7401
Phone: (951) 371-4868
Fax: (951) 371-6542
Street-level locationGet directions
Mailing address
2661 Green River Rd
Corona, CA 92882-7401
Registry dates
- Enumerated
- 2014-03-12
- Last updated
- 2014-03-12
Frequently asked questions
- What is Margaret Winchester's NPI number?
- Margaret Winchester's National Provider Identifier (NPI) is 1134545205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Winchester's specialty?
- Margaret Winchester is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Margaret Winchester located?
- Margaret Winchester's practice location on file with NPPES is 2661 Green River Rd, Corona, CA 92882-7401.
- What is Margaret Winchester's phone number?
- The practice phone number listed in the NPPES registry for Margaret Winchester is (951) 371-4868.
- Is Margaret Winchester's NPI active?
- Yes — Margaret Winchester's NPI (1134545205) is active in the NPPES registry as of the last update on 2014-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.