Quick answers
- Where does Mary E. Dion see patients?
- Medicare's clinician data lists 2 practice locations, including Grand Ledge, MI. Call before your visit to confirm the address.
- What is Mary E. Dion's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Mary E. Dion accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. Dion 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 Mary E. Dion?
- (517) 338-3090, as listed in official Medicare / NPI Registry data.
- What is Mary E. Dion's NPI number?
- 1457818601. 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 Mary E. Dion is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 W Saginaw Hwy, Suite BGrand Ledge, MI 48837 (517) 338‑3090
- 311 Harrison StGrand Ledge, MI 48837 (517) 338‑3090
Group practices
Medicare enrollment lists Mary E. Dion as a member of this group (CMS data updated 2026-10-02).
- Insight Counseling Services of Greater Lansing LLC11 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Grand Ledge
Clinicians with the same Medicare primary specialty in Grand Ledge, MI — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457818601 |
| 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