East River Psychological Services
NPI 1598487308 · Clinical Psychologist · Mitchell, SD
East River Psychological Services is a Clinical Psychologist organization in Mitchell, SD (NPI 1598487308).
Provider details
- NPI number
- 1598487308
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Matthew Christiansen, Clinical Psychologist/Owner(605) 630-7387
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
3 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
- 2022-09-19
- Last updated
- 2024-09-06
- Certified
- 2024-09-06
Frequently asked questions
- What is East River Psychological Services's NPI number?
- East River Psychological Services's National Provider Identifier (NPI) is 1598487308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is East River Psychological Services?
- East River Psychological Services is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is East River Psychological Services located?
- East River Psychological Services's practice location on file with NPPES is 3413 N Ohlman St, Mitchell, SD 57301-5052.
- What is East River Psychological Services's phone number?
- The practice phone number listed in the NPPES registry for East River Psychological Services is (605) 999-0728.
- Who is the authorized official for East River Psychological Services?
- The authorized official listed on East River Psychological Services's NPPES record is Matthew Christiansen, Clinical Psychologist/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is East River Psychological Services's NPI active?
- Yes — East River Psychological Services's NPI (1598487308) is active in the NPPES registry as of the last update on 2024-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.