IndividualActive
Mary Youssef
NPI 1336857663 · Pharmacist · Pomona, CA
Mary Youssef is a Pharmacist provider in Pomona, CA (NPI 1336857663).
Provider details
- NPI number
- 1336857663
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 84863 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
1798 N Garey Ave
Pomona, CA 91767-2918
Phone: (909) 865-9549
Street-level locationGet directions
Mailing address
845 Bonita Ave
La Verne, CA 91750-5151
Registry dates
- Enumerated
- 2022-11-07
- Last updated
- 2022-11-07
- Certified
- 2022-11-05
Frequently asked questions
- What is Mary Youssef's NPI number?
- Mary Youssef's National Provider Identifier (NPI) is 1336857663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Youssef's specialty?
- Mary Youssef is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Mary Youssef located?
- Mary Youssef's practice location on file with NPPES is 1798 N Garey Ave, Pomona, CA 91767-2918.
- What is Mary Youssef's phone number?
- The practice phone number listed in the NPPES registry for Mary Youssef is (909) 865-9549.
- Is Mary Youssef's NPI active?
- Yes — Mary Youssef's NPI (1336857663) is active in the NPPES registry as of the last update on 2022-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.