Steven Jay Koster, COUNSELRO EDUC LTD

Primary specialty

Professional CounselorTaxonomy code 101YP2500X

Practice address

57150 CR 681
Hartford, MI 49057

Phone

(269) 621-2800

Fax

(269) 621-2962

NPI assigned

Sep 24, 2007

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Katara Therapy, LLC

  • Clinical Social Worker
  • Saint Joseph, MI
  • NPI 1295234490
  Medicare reassignment NPD (past)
• Van Buren Community Mental Health Authority

  • Psychiatry Physician
  • Paw Paw, MI
  • NPI 1003878554
  Medicare reassignment
• Diane M Kanous

  • Counseling Psychologist
  • Kalamazoo, MI
  • NPI 1588837736
  NPD (past)
• Dorman and Associates PLC

  • Psychologist
  • Kalamazoo, MI
  • NPI 1275737413
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1190592000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1164618195",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 249",
            "address_2": "801 HAZEN STREET SUITE C",
            "city": "PAW PAW",
            "state": "MI",
            "postal_code": "490790249",
            "telephone_number": "269-657-5574",
            "fax_number": "269-657-3474"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "57150 CR 681",
            "city": "HARTFORD",
            "state": "MI",
            "postal_code": "49057",
            "telephone_number": "269-621-2800",
            "fax_number": "269-621-2962"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOSTER",
        "first_name": "STEVEN",
        "middle_name": "JAY",
        "name_prefix": "Mr.",
        "credential": "COUNSELRO EDUC LTD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-09-24",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MI",
            "license": "6301012982",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Holy Family Healthcare
• Holy Family Healthcare
• Douglas Scott Johansen, DDS
• Lisa Johnson, RDH
• Peter John Koshar Jr., LMSW
• Taylor Kucharski
• Lakeland Community Hospital Watervliet (Corewell Health Watervliet Hospital Primary Care - Hartford)
• Samie Ledyard, LLPC, MA
• Edward William Liebenthal, D.D.S.
• Sue Eileen Liebenthal, D.D.S.

• Professional Counselor in Hartford, MI
• Providers in Hartford, MI by specialty
• Professional Counselor in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.