NPIMap

Individual provider Active NPI

Jon S Ahrendsen, M.D.

  • Family Medicine Physician
  • Clarion, IA
National Provider Identifier
1326036062
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
23659 Issued in IA
Practice address
215 13TH Ave SW
Clarion, IA 50525-2078
Phone
(515) 532-2836
Fax
(515) 532-2523
NPI assigned
Oct 6, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 23659 IA Primary

Addresses

Primary practice location

215 13TH Ave SW
Clarion, IA 50525-2078

Mailing address

PO Box 271
215 13TH Ave SW
Clarion, IA 50525-0271
Phone (515) 532-2836

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20031121000144 IA Practitioner - Family Practice 0941104905 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Iowa, RJ & L Carver College of Medicine, 1982
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Iowa Specialty Hospital- ClarionGroup PAC ID 3375451347, shared by 6 NPIs, 94 clinicians
Belmond Community HospitalGroup PAC ID 1052201852, shared by 7 NPIs, 86 clinicians

Practice addresses (Care Compare)

215 13TH Ave SW
Clarion Clinic
Clarion, IA 50525-2078
Phone (515) 532-2838

403 1St St SE
Belmond, IA 50421-1201

840 W US Hwy 18
Garner Clinic
Garner, IA 50438-1023
Phone (641) 925-1500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
23659IAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Iowa Specialty Hospital- Clarion CurrentSince Jan 1, 2000 Accepting new patients
Iowa Specialty Hospital- Clarion Current Accepting new patients
Belmond Community Hospital Family Medicine CurrentSince Jul 1, 2013 Accepting new patients
Belmond Community Hospital Current Accepting new patients
Floyd County Memorial Hospital Commission Family Medicine Past Accepting new patients
Iowa Specialty Hospital- Clarion Past Accepting new patients
Iowa Specialty Hospital- Clarion Past Accepting new patients
Belmond Community Hospital Past Accepting new patients
Hospital Medicine Associates of Monmouth County, LLC Past Accepting new patients

Locations

403 1st St SE
Belmond, IA 50421
Phone (641) 444-3223

1316 S Main St
Clarion, IA 50525
Phone (515) 532-2811

215 13th Ave SW
Clarion, IA 50525
Phone (515) 532-2836

5901 Thornton Ave
Ste 101
Des Moines, IA 50321
Phone (515) 327-2000

840 W US Highway 18
Garner, IA 50438
Phone (641) 925-1500

Interoperability endpoints

  • Direct secure messaging: jahrendsen84035@uihcdirect.org

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Kanawha Community Home, IncKanawha, IA, CCN 165467 Skilled nursing facility Operational/Managerial Control
Adp of the SNF		 May 31, 2022
Nov 14, 2025

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 9

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

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1128556800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1326036062",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 271",
            "address_2": "215 13TH AVE SW",
            "city": "CLARION",
            "state": "IA",
            "postal_code": "505250271",
            "telephone_number": "515-532-2836",
            "fax_number": "515-532-2523"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "215 13TH AVE SW",
            "city": "CLARION",
            "state": "IA",
            "postal_code": "505252078",
            "telephone_number": "515-532-2836",
            "fax_number": "515-532-2523"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AHRENDSEN",
        "first_name": "JON",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "23659",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Clarion, IA

Sources for this page

Verify at the official NPI Registry.