Individual provider Active NPI

Alexander Dale Claussen, M.D.

  • Otology & Neurotology Physician
  • Iowa City, IA
National Provider Identifier
1659719235
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otology & Neurotology PhysicianTaxonomy code 207YX0901X
License
MD49920 Issued in IA
Practice address
200 Hawkins Dr
Iowa City, IA 52242-1009
Phone
(319) 356-3574
Fax
(319) 356-4547
NPI assigned
Jun 5, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

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

Specialties & licenses 9

Specialty (taxonomy)CodeLicenseStatePrimary
Sleep Medicine (Otolaryngology) Physician 207YS0012X MD49920 IA
Facial Plastic Surgery Physician 207YS0123X MD49920 IA
Otolaryngic Allergy Physician 207YX0602X MD49920 IA
Pediatric Otolaryngology Physician 207YP0228X MD49920 IA
Otology & Neurotology Physician 207YX0901X MD49920 IA Primary
Otolaryngology Physician 207Y00000X R-9760 IA
Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X MD49920 IA
Otolaryngology Physician 207Y00000X MD49920 IA
Otolaryngology/Facial Plastic Surgery Physician 207YX0905X MD49920 IA

Addresses

Primary practice location

200 Hawkins Dr
Iowa City, IA 52242-1009

Mailing address

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 356-3574

Other practice location 1

500 E Market St
Iowa City, IA 52245-2633
Phone (319) 339-3551

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: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220613001122 IA Practitioner - Otolaryngology 8921486499 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Southern Illinois University School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
State University of IowaGroup PAC ID 7618884230, 1,886 clinicians

Practice addresses (Care Compare)

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 356-1616

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
80.02 of 100Reported as group
Quality
75.68
Promoting interoperability
78
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
R-9760IAMDOtolaryngology Physician
MD49920IAMDOtolaryngic Allergy Physician

Practice roles

OrganizationSpecialtyStatusNew patients
State University of Iowa CurrentSince Jul 1, 2022 Accepting new patients
State University of Iowa Past Accepting new patients
State University of Iowa Past Accepting new patients

Locations

500 E Market St
Iowa City, IA 52245
Phone (319) 339-0300

200 Hawkins Dr
#H
Iowa City, IA 52242
Phone (319) 356-1616

200 Hawkins Dr
Iowa City, IA 52242
Phone (319) 356-1616

Interoperability endpoints

  • Direct secure messaging: aclaussen63624@uihcdirect.org

Organizations & group practices 3

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.

Hospital & facility affiliations 2

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": "1370390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1659719235",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 HAWKINS DR",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522421009",
            "telephone_number": "319-356-3574",
            "fax_number": "319-356-4547"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 HAWKINS DR",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522421009",
            "telephone_number": "319-356-3574",
            "fax_number": "319-356-4547"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "500 E Market St",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522452633",
            "country_code": "US",
            "telephone_number": "319-339-3551",
            "fax_number": "319-248-7945",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CLAUSSEN",
        "first_name": "ALEXANDER",
        "middle_name": "DALE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-05",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207YS0012X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Sleep Medicine",
            "state": "IA",
            "license": "MD49920",
            "primary": false
        },
        {
            "code": "207YS0123X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Facial Plastic Surgery",
            "state": "IA",
            "license": "MD49920",
            "primary": false
        },
        {
            "code": "207YX0602X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Otolaryngic Allergy",
            "state": "IA",
            "license": "MD49920",
            "primary": false
        },
        {
            "code": "207YP0228X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Pediatric Otolaryngology",
            "state": "IA",
            "license": "MD49920",
            "primary": false
        },
        {
            "code": "207YX0901X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Otology & Neurotology",
            "state": "IA",
            "license": "MD49920",
            "primary": true
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "IA",
            "license": "R-9760",
            "primary": false
        },
        {
            "code": "207YX0007X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Plastic Surgery within the Head & Neck",
            "state": "IA",
            "license": "MD49920",
            "primary": false
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "IA",
            "license": "MD49920",
            "primary": false
        },
        {
            "code": "207YX0905X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Otolaryngology/Facial Plastic Surgery",
            "state": "IA",
            "license": "MD49920",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Iowa City, IA

Sources for this page

Verify at the official NPI Registry.