Steven Johnson, PH.D.
NPI 1215054952 · Clinical Neuropsychologist · Holland, MI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Johnson, PH.D. is a Clinical Neuropsychologist provider in Holland, MI (NPI 1215054952).
Provider details
- NPI number
- 1215054952
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6301007340 (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
19 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
- 2007-03-26
- Last updated
- 2025-09-11
Frequently asked questions
- What is Steven Johnson's NPI number?
- Steven Johnson's National Provider Identifier (NPI) is 1215054952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Johnson's specialty?
- Steven Johnson is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Steven Johnson located?
- Steven Johnson's practice location on file with NPPES is 493 Century Ln, Holland, MI 49423-4286.
- What is Steven Johnson's phone number?
- The practice phone number listed in the NPPES registry for Steven Johnson is (616) 355-7190.
- Does Steven Johnson accept Medicare?
- Steven Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Johnson's NPI active?
- Yes — Steven Johnson's NPI (1215054952) 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.