Sang Yun Nelson, LCSW
NPI 1821177056 · Clinical Social Worker · Granite City, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sang Yun Nelson, LCSW is a Clinical Social Worker provider in Granite City, IL (NPI 1821177056).
Provider details
- NPI number
- 1821177056
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 149.011055 (IL)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-11-06
- Last updated
- 2009-09-01
Frequently asked questions
- What is Sang Yun Nelson's NPI number?
- Sang Yun Nelson's National Provider Identifier (NPI) is 1821177056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sang Yun Nelson's specialty?
- Sang Yun Nelson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sang Yun Nelson located?
- Sang Yun Nelson's practice location on file with NPPES is 2100 Madison Ave, Granite City, IL 62040-4701.
- What is Sang Yun Nelson's phone number?
- The practice phone number listed in the NPPES registry for Sang Yun Nelson is (618) 452-4969.
- Does Sang Yun Nelson accept Medicare?
- Sang Yun Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sang Yun Nelson's NPI active?
- Yes — Sang Yun Nelson's NPI (1821177056) is active in the NPPES registry as of the last update on 2009-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.