Quick answers
- Does Kenneth L. Holland accept Medicare assignment?
- Yes. Medicare's clinician data says Kenneth L. Holland accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Kenneth L. Holland's NPI number?
- 1679327266. 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 Kenneth L. Holland is enrolled with Medicare (CMS data updated October 2, 2026).
- 1225 Richards StJoliet, IL 60433 (312) 554‑5431
Group practices
Medicare enrollment lists Kenneth L. Holland as a member of this group (CMS data updated October 2, 2026).
- Matrix Mental Health Ltd10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Joliet
Clinicians with the same Medicare primary specialty in Joliet, IL — not a recommendation.
Other clinicians in Matrix Mental Health Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679327266 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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