Quick answers
- Where does Leon B. Black see patients?
- Medicare's clinician data lists 2 practice locations, including Rockford, IL. Call before your visit to confirm the address.
- What is Leon B. Black's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Leon B. Black accept Medicare assignment?
- Yes. Medicare's clinician data says Leon B. Black accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Leon B. Black?
- (815) 877-8567, as listed in official Medicare / NPI Registry data.
- What is Leon B. Black's NPI number?
- 1790793198. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Leon B. Black is enrolled with Medicare (CMS data updated 2026-10-02).
- 7210 E State StRockford, IL 61108
- 7210 E State St, Suite 102Rockford, IL 61108 (815) 877‑8567
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Rockford
Clinicians with the same Medicare primary specialty in Rockford, IL — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790793198 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians