Quick answers
- Where does Timothy R. Leonard see patients?
- Medicare's clinician data lists 2 practice locations, including Caledonia, MI and Grand Rapids, MI. Call before your visit to confirm the address.
- What is Timothy R. Leonard's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Timothy R. Leonard accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy R. Leonard 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 Timothy R. Leonard?
- (616) 685-8850, as listed in official Medicare / NPI Registry data.
- What is Timothy R. Leonard's NPI number?
- 1023714177. 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 Timothy R. Leonard is enrolled with Medicare (CMS data updated 2026-10-02).
- 10047 Crossroad Ct SECaledonia, MI 49316 (616) 685‑8850
- 200 Jefferson Ave SEGrand Rapids, MI 49503 (616) 685‑5000
Group practices
Medicare enrollment lists Timothy R. Leonard as a member of this group (CMS data updated 2026-10-02).
- Advantage Health/Saint Mary's Medical Group505 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Caledonia
Clinicians with the same Medicare primary specialty in Caledonia, MI — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023714177 |
| 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