Warren Leemgraven, BS, CAC I
NPI 1861575193 · Addiction (Substance Use Disorder) Counselor · Allendale, MI
Warren Leemgraven, BS, CAC I is a Addiction (Substance Use Disorder) Counselor provider in Allendale, MI (NPI 1861575193).
Provider details
- NPI number
- 1861575193
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- BS, CAC I
- Sex
- Male
- 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
19 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
- 2006-10-23
- Last updated
- 2011-05-19
Frequently asked questions
- What is Warren Leemgraven's NPI number?
- Warren Leemgraven's National Provider Identifier (NPI) is 1861575193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Leemgraven's specialty?
- Warren Leemgraven is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Warren Leemgraven located?
- Warren Leemgraven's practice location on file with NPPES is 6866 Joal St, Allendale, MI 49401-8718.
- What is Warren Leemgraven's phone number?
- The practice phone number listed in the NPPES registry for Warren Leemgraven is (616) 895-5486.
- Is Warren Leemgraven's NPI active?
- Yes — Warren Leemgraven's NPI (1861575193) is active in the NPPES registry as of the last update on 2011-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.