Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Steven Jay Koster, COUNSELRO EDUC LTD
Psychologist in Hartford, MI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1164618195
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Registry record
Entity type Individual (Type 1)
Name Mr. Steven Jay Koster
Credential COUNSELRO EDUC LTD
Sex Male
Practice address 57150 Cr 681, Hartford, MI, 49057
Phone (269) 621-2800
Fax (269) 621-2962
Enumeration date Sep 24, 2007
Last updated in NPPES Jul 25, 2008
Taxonomy & licenses
101Y00000X Counselor Behavioral Health & Social Service Providers · License 6401008703 (MI) Secondary
103T00000X Psychologist Behavioral Health & Social Service Providers · License 6301012982 (MI) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Steven Koster practice?
The practice location on file with NPPES is in Hartford, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Steven Koster?
The National Provider Identifier (NPI) for Steven Koster is 1164618195, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-25.