Marcy Diehl
NPI 1528869328 · Addiction (Substance Use Disorder) Counselor · Milford, MI
Marcy Diehl is a Addiction (Substance Use Disorder) Counselor provider in Milford, MI (NPI 1528869328).
Provider details
- NPI number
- 1528869328
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- 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
1 yr 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
- 2025-03-19
- Last updated
- 2025-03-19
- Certified
- 2025-03-19
Frequently asked questions
- What is Marcy Diehl's NPI number?
- Marcy Diehl's National Provider Identifier (NPI) is 1528869328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcy Diehl's specialty?
- Marcy Diehl is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marcy Diehl located?
- Marcy Diehl's practice location on file with NPPES is 120 S Main St, Milford, MI 48381-1975.
- What is Marcy Diehl's phone number?
- The practice phone number listed in the NPPES registry for Marcy Diehl is (248) 529-6383.
- Is Marcy Diehl's NPI active?
- Yes — Marcy Diehl's NPI (1528869328) is active in the NPPES registry as of the last update on 2025-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.