John Grant
NPI 1841078656 · Addiction (Substance Use Disorder) Counselor · Cleveland, OH
John Grant is a Addiction (Substance Use Disorder) Counselor provider in Cleveland, OH (NPI 1841078656).
Provider details
- NPI number
- 1841078656
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
2 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
- 2023-09-21
- Last updated
- 2023-09-21
- Certified
- 2023-09-21
Frequently asked questions
- What is John Grant's NPI number?
- John Grant's National Provider Identifier (NPI) is 1841078656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Grant's specialty?
- John Grant is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Grant located?
- John Grant's practice location on file with NPPES is 3500 Carnegie Ave, Cleveland, OH 44115-2641.
- What is John Grant's phone number?
- The practice phone number listed in the NPPES registry for John Grant is (440) 234-2006.
- Is John Grant's NPI active?
- Yes — John Grant's NPI (1841078656) is active in the NPPES registry as of the last update on 2023-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.