Quick answers
- Where does Jonathan Cartier see patients?
- Medicare's clinician data lists 8 practice locations, including Dewitt, MI, Mason, MI and Haslett, MI. Call before your visit to confirm the address.
- What is Jonathan Cartier's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jonathan Cartier accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan Cartier 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 Jonathan Cartier?
- (517) 999-2273, as listed in official Medicare / NPI Registry data.
- What is Jonathan Cartier's NPI number?
- 1164054904. 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 Jonathan Cartier is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 12970 S US Hwy 27Dewitt, MI 48820 (517) 999‑2273
- 132 S Cedar St, Suite 3Mason, MI 48854 (517) 999‑2273
- 16945 Marsh RdHaslett, MI 48840 (517) 999‑2273
- 2289 W Grand River AveOkemos, MI 48864 (517) 349‑2300
- 320 E Jolly RdLansing, MI 48910 (517) 999‑4700
Group practices
Medicare enrollment lists Jonathan Cartier as a member of this group (CMS data updated 2026-10-02).
- Lansing Urgent Care PLC43 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Dewitt
Clinicians with the same Medicare primary specialty in Dewitt, MI — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164054904 |
| 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