IndividualActive
Helena Yoon, PHARM. D
NPI 1538243597 · Pharmacist · Los Angeles, CA
Helena Yoon, PHARM. D is a Pharmacist provider in Los Angeles, CA (NPI 1538243597).
Provider details
- NPI number
- 1538243597
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM. D
- Sex
- Female
- Sole proprietor
- Yes
- License
- 43008 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
4867 W Sunset Blvd
Los Angeles, CA 90027-5969
Phone: (323) 783-8300
Street-level locationGet directions
Mailing address
1505 2nd St
Manhattan Beach, CA 90266-7007
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Helena Yoon's NPI number?
- Helena Yoon's National Provider Identifier (NPI) is 1538243597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helena Yoon's specialty?
- Helena Yoon is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Helena Yoon located?
- Helena Yoon's practice location on file with NPPES is 4867 W Sunset Blvd, Los Angeles, CA 90027-5969.
- What is Helena Yoon's phone number?
- The practice phone number listed in the NPPES registry for Helena Yoon is (323) 783-8300.
- Is Helena Yoon's NPI active?
- Yes — Helena Yoon's NPI (1538243597) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.