Heewan Yoon, LCSW
NPI 1477844587 · Clinical Social Worker · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heewan Yoon, LCSW is a Clinical Social Worker provider in Los Angeles, CA (NPI 1477844587).
Provider details
- NPI number
- 1477844587
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- LCS29684 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Mailing address
Registry dates
- Enumerated
- 2011-04-22
- Last updated
- 2019-11-19
Frequently asked questions
- What is Heewan Yoon's NPI number?
- Heewan Yoon's National Provider Identifier (NPI) is 1477844587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heewan Yoon's specialty?
- Heewan Yoon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Heewan Yoon located?
- Heewan Yoon's practice location on file with NPPES is 695 S Vermont Ave Fl 8, Los Angeles, CA 90005-1349.
- What is Heewan Yoon's phone number?
- The practice phone number listed in the NPPES registry for Heewan Yoon is (310) 227-4994.
- Does Heewan Yoon accept Medicare?
- Heewan Yoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heewan Yoon's NPI active?
- Yes — Heewan Yoon's NPI (1477844587) is active in the NPPES registry as of the last update on 2019-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.