Mandy Grenier, BS
NPI 1609395888 · Addiction (Substance Use Disorder) Counselor · Tawas City, MI
Mandy Grenier, BS is a Addiction (Substance Use Disorder) Counselor provider in Tawas City, MI (NPI 1609395888).
Provider details
- NPI number
- 1609395888
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- BS
- Sex
- Female
- Sole proprietor
- No
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
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2017-09-19
- Last updated
- 2017-09-19
Frequently asked questions
- What is Mandy Grenier's NPI number?
- Mandy Grenier's National Provider Identifier (NPI) is 1609395888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mandy Grenier's specialty?
- Mandy Grenier is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mandy Grenier located?
- Mandy Grenier's practice location on file with NPPES is Po Box 310, Tawas City, MI 48764-0310.
- What is Mandy Grenier's phone number?
- The practice phone number listed in the NPPES registry for Mandy Grenier is (989) 362-8636.
- Is Mandy Grenier's NPI active?
- Yes — Mandy Grenier's NPI (1609395888) is active in the NPPES registry as of the last update on 2017-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.