Individual provider Active NPI

Karen Ann Vanderhoff, PHD

  • Psychologist
  • Newton, IA
National Provider Identifier
1245434208
Registry record updated Jan 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
001110 Issued in IA
Practice address
2301 1St Ave E
Newton, IA 50208-4202
Phone
(641) 381-5706
NPI assigned
Jun 13, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 001110 IA Primary

Addresses

Primary practice location

2301 1St Ave E
Newton, IA 50208-4202

Mailing address

2301 1St Ave E
Newton, IA 50208-4202
Phone (641) 381-5706

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA
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

Enrollment IDStateProvider typePAC IDDetails
I20090722000662 IA Practitioner - Clinical Psychologist 6103978192 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

2301 1St Ave E
Newton, IA 50208-4202

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
001110IAMDAthletic Trainer

Practice roles

OrganizationSpecialtyStatusNew patients
Vermeer Quist Consulting, LLC CurrentSince Sep 11, 2020 Accepting new patients
Pine Rest Christian Mental Health Services CurrentSince Jun 22, 2009 Accepting new patients
Pine Rest Christian Mental Health Services Psychologist CurrentSince Jun 22, 2009 Accepting new patients
MND GMZ LLC Psychologist CurrentSince Nov 18, 2025 Accepting new patients

Locations

2301 1st Ave E
Newton, IA 50208
Phone (641) 381-5706

2611 Washington St
Pella, IA 50219
Phone (641) 628-9599

1701 48th St
Ste 120
West Des Moines, IA 50266
Phone (515) 224-1474

550 3 Mile Rd NW
Grand Rapids, MI 49544
Phone (616) 222-3720

300 68th St SE
Wyoming, MI 49548
Phone (616) 455-5000

Organizations & group practices 4

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": "1181692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1245434208",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2301 1ST AVE E",
            "city": "NEWTON",
            "state": "IA",
            "postal_code": "502084202",
            "telephone_number": "641-381-5706"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2301 1ST AVE E",
            "city": "NEWTON",
            "state": "IA",
            "postal_code": "502084202",
            "telephone_number": "641-381-5706"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VANDERHOFF",
        "first_name": "KAREN",
        "middle_name": "ANN",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-06-13",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "IA",
            "license": "001110",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newton, IA

Sources for this page

Verify at the official NPI Registry.