Quick answers
- Where does Matthew Sleeman see patients?
- Medicare's clinician data lists 2 practice locations, including West Richland, WA and Pasco, WA. Call before your visit to confirm the address.
- What is Matthew Sleeman's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Matthew Sleeman accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Sleeman 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 Matthew Sleeman?
- (509) 967-2225, as listed in official Medicare / NPI Registry data.
- What is Matthew Sleeman's NPI number?
- 1285906933. 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 Matthew Sleeman is enrolled with Medicare (CMS data updated 2026-10-02).
- 4791 W Van Giesen St, Suite BWest Richland, WA 99353 (509) 967‑2225
- 5210 Rd, 68 Suite FPasco, WA 99301 (509) 380‑5825
Group practices
Medicare enrollment lists Matthew Sleeman as a member of this group (CMS data updated 2026-10-02).
- Core Concepts PLLC6 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in West Richland
Clinicians with the same Medicare primary specialty in West Richland, WA — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285906933 |
| 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