IndividualActive
John Larson, PH.D.
NPI 1982152609 · School Psychologist · Spearfish, SD
Provider details
- NPI number
- 1982152609
- Entity type
- Individual
- Primary specialty
- School PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 73165-2 (SD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
525 E Illinois St
Spearfish, SD 57783-2521
Phone: (605) 717-1219
Street-level locationGet directions
Mailing address
525 E Illinois St
Spearfish, SD 57783-2521
Registry dates
- Enumerated
- 2016-09-12
- Last updated
- 2016-09-12
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.