Individual provider Active NPI

Keith A Karstens, PSYD

  • Clinical Psychologist
  • Sioux City, IA
National Provider Identifier
1366403677
Registry record updated Dec 21, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
00404 Issued in IA
Practice address
600 4TH St
Suite 501
Sioux City, IA 51101-1750
Phone
(712) 234-0220
Fax
(712) 234-0225
NPI assigned
Mar 28, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 21, 2007

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 00911 IA
Clinical Psychologist 103TC0700X 00404 IA Primary

Addresses

Primary practice location

600 4TH St
Suite 501
Sioux City, IA 51101-1750

Mailing address

600 4TH St
Suite 501
Sioux City, IA 51101-1750
Phone (712) 234-0220

Other identifiers 2

IdentifierTypeStateIssuer
1240408MedicaidIA
37250OtherIAWELLMARK

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
00404IAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Midlands Clinic, P.C. Past Accepting new patients
Ven Mental Health and TMS Clinic LLC Clinical PastSince Jul 9, 2025 Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1143504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1198195200000",
    "number": "1366403677",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 4TH ST",
            "address_2": "SUITE 501",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511011750",
            "telephone_number": "712-234-0220",
            "fax_number": "712-234-0225"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 4TH ST",
            "address_2": "SUITE 501",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511011750",
            "telephone_number": "712-234-0220",
            "fax_number": "712-234-0225"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARSTENS",
        "first_name": "KEITH",
        "middle_name": "A",
        "credential": "PSYD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-28",
        "last_updated": "2007-12-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "IA",
            "license": "00911",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IA",
            "license": "00404",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1240408",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK",
            "identifier": "37250",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sioux City, IA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 21, 2007; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.