NPIMap

Individual provider Active NPI

Fnu Dayawa Da Agoons, MD

  • Internal Medicine Physician
  • Mason City, IA
National Provider Identifier
1083174429
Registry record updated Nov 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
49000 Issued in IA
Practice address
1000 4TH St SW
Mason City, IA 50401-2800
Phone
(641) 428-6615
NPI assigned
Mar 21, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 24, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 49000 IA Primary

Addresses

Primary practice location

1000 4TH St SW
Mason City, IA 50401-2800

Mailing address

1000 4TH St SW
Mason City, IA 50401-2800
Phone (641) 428-6615

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address Dayawa.Agoons@direct.2.mycarefile.org Direct MercyOne North Iowa

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
I20220923002854 IA Practitioner - Internal Medicine 1456687284 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cogent Healthcare of Iowa PCGroup PAC ID 3779517941, 60 clinicians

Practice addresses (Care Compare)

1000 4TH St SW
Mason City, IA 50401-2800
Phone (641) 428-6615

Hospital & facility affiliations

  • Mercyone North Iowa Medical Center Hospital, Mason City, IA, CCN 160064
  • Hancock County Health System Hospital, Britt, IA, CCN 161307
  • Hansen Family Hospital Hospital, Iowa Falls, IA, CCN 161380
  • Franklin General Hospital Hospital, Hampton, IA, CCN 161308
  • Floyd County Medical Center Hospital, Charles City, IA, CCN 161347

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
49000IAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cogent Healthcare of Iowa, PC Internal Medicine CurrentSince Jun 14, 2022 Accepting new patients
Sound Physicians of Iowa, PLLC Internal Medicine CurrentSince Jun 14, 2022 Accepting new patients
Floyd County Memorial Hospital Commission Past Accepting new patients
Mercy Health Services-Iowa Corp Past Accepting new patients

Locations

701 10th St SE
Cedar Rapids, IA 52403
Phone (319) 398-6011

3 S 4th Ave
Marshalltown, IA 50158
Phone (641) 754-5145

1000 4th St SW
Mason City, IA 50401
Phone (641) 424-6704

Interoperability endpoints

  • Direct secure messaging: dagoons3938239@direct.trinity-health.org
  • Direct secure messaging: dayawa.agoons@direct.2.mycarefile.org

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.

Hospital & facility affiliations 5

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": "1553126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763942400000",
    "number": "1083174429",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 4TH ST SW",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012800",
            "telephone_number": "641-428-6615"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 4TH ST SW",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012800",
            "telephone_number": "641-428-6615"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAYAWA DA AGOONS",
        "first_name": "FNU",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-21",
        "last_updated": "2025-11-24",
        "certification_date": "2025-11-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IA",
            "license": "49000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Dayawa.Agoons@direct.2.mycarefile.org",
            "affiliation": "Y",
            "endpointDescription": "MercyOne North Iowa direct Email Address",
            "affiliationName": "MercyOne North Iowa",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "1000 4th St SW",
            "city": "Mason City",
            "state": "IA",
            "country_code": "US",
            "postal_code": "504012800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Mason City, IA

Sources for this page

Verify at the official NPI Registry.