Sandor Illemszky, LICSW
NPI 1114239977 · Clinical Social Worker · Washington, DC
Sandor Illemszky, LICSW is a Clinical Social Worker provider in Washington, DC (NPI 1114239977).
Provider details
- NPI number
- 1114239977
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- LC50079728 (DC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2010-07-09
- Last updated
- 2025-06-29
- Certified
- 2025-06-29
Frequently asked questions
- What is Sandor Illemszky's NPI number?
- Sandor Illemszky's National Provider Identifier (NPI) is 1114239977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandor Illemszky's specialty?
- Sandor Illemszky is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sandor Illemszky located?
- Sandor Illemszky's practice location on file with NPPES is 50 Irving St Nw, Washington, DC 20422-0001.
- What is Sandor Illemszky's phone number?
- The practice phone number listed in the NPPES registry for Sandor Illemszky is (202) 745-8000.
- Is Sandor Illemszky's NPI active?
- Yes — Sandor Illemszky's NPI (1114239977) is active in the NPPES registry as of the last update on 2025-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.