Quick answers
- Where does Jonathon W. Losey see patients?
- Medicare's clinician data lists 2 practice locations, including Grand Rapids, MI and Kentwood, MI. Call before your visit to confirm the address.
- What is Jonathon W. Losey's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jonathon W. Losey accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathon W. Losey 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.
- Does Jonathon W. Losey offer telehealth?
- Medicare's clinician data says Jonathon W. Losey offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jonathon W. Losey?
- (616) 391-5600, as listed in official Medicare / NPI Registry data.
- What is Jonathon W. Losey's NPI number?
- 1285149609. 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 Jonathon W. Losey is enrolled with Medicare (CMS data updated 2026-10-02).
- 4069 Lake Dr SEGrand Rapids, MI 49546
- 4444 Kalamazoo Ave SE, 200 Corewell Health Medical Group WestKentwood, MI 49508 (616) 391‑5600
Group practices
Medicare enrollment lists Jonathon W. Losey as a member of this group (CMS data updated 2026-10-02).
- Spectrum Health Primary Care Partners2,294 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285149609 |
| 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