Mary Dion, MA, LLPC
NPI 1457818601 · Professional Counselor · Grand Ledge, MI
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Dion, MA, LLPC is a Professional Counselor provider in Grand Ledge, MI (NPI 1457818601).
Provider details
- NPI number
- 1457818601
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- MA, LLPC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6401016829 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 414 N Larch StLansing, MI 48912-1208Phone: (517) 489-5307
Registry dates
- Enumerated
- 2019-02-25
- Last updated
- 2020-02-24
- Certified
- 2020-02-24
Frequently asked questions
- What is Mary Dion's NPI number?
- Mary Dion's National Provider Identifier (NPI) is 1457818601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Dion's specialty?
- Mary Dion is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Dion located?
- Mary Dion's practice location on file with NPPES is 100 W Saginaw Hwy Ste B, Grand Ledge, MI 48837-1800.
- What is Mary Dion's phone number?
- The practice phone number listed in the NPPES registry for Mary Dion is (517) 338-3090.
- Does Mary Dion accept Medicare?
- Mary Dion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Dion's NPI active?
- Yes — Mary Dion's NPI (1457818601) is active in the NPPES registry as of the last update on 2020-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.