Grey Larison, PH.D.
NPI 1841226297 · Clinical Neuropsychologist · Caledonia, MI
Grey Larison, PH.D. is a Clinical Neuropsychologist provider in Caledonia, MI (NPI 1841226297).
Provider details
- NPI number
- 1841226297
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 6301001732 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2006-06-25
- Last updated
- 2025-09-11
Frequently asked questions
- What is Grey Larison's NPI number?
- Grey Larison's National Provider Identifier (NPI) is 1841226297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grey Larison's specialty?
- Grey Larison is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Grey Larison located?
- Grey Larison's practice location on file with NPPES is 9090 S Rodgers Ct Se, Caledonia, MI 49316-8052.
- What is Grey Larison's phone number?
- The practice phone number listed in the NPPES registry for Grey Larison is (616) 891-8770.
- Is Grey Larison's NPI active?
- Yes — Grey Larison's NPI (1841226297) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.