Individual provider Active NPI

Patrick T Dunlay, DO

  • Internal Medicine Physician
  • Mason City, IA
National Provider Identifier
1811004294
Registry record updated Apr 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
02413 Issued in IA
Practice address
1000 4TH St SW
Suite Im
Mason City, IA 50401-2800
Phone
(641) 422-6999
Fax
(641) 422-6678
NPI assigned
Aug 23, 2006
Last updated
Apr 1, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 1, 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 02413 IA Primary

Addresses

Primary practice location

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

Mailing address

621 S Illinois Ave
Suite 103
Mason City, IA 50401-5489
Phone (641) 494-3041

Other identifiers 2

IdentifierTypeStateIssuer
1001198MedicaidIA
47725OtherIAWELLMARK

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
I20091109000602 IA Practitioner - Internal Medicine 3577601798 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
81.55 of 100Reported as group
Quality
73.89
Promoting interoperability
93
Improvement activities
40
Cost
70.44

Merit-based Incentive Payment System (MIPS)

Final score
0 of 100Reported as group
Quality
0
Improvement activities
0
Cost
0

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
02413IAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
North Iowa Mercy Clinics Family Medicine CurrentSince Jan 1, 1999 Accepting new patients
North Iowa Mercy Clinics Current Accepting new patients
North Iowa Mercy Clinics CurrentSince Jan 1, 1999 Accepting new patients
Floyd County Memorial Hospital Commission Family Medicine Past Accepting new patients
North Iowa Mercy Clinics Internal Medicine PastSince Apr 6, 2025 Accepting new patients

Locations

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

1000 4th St SW
Ste Im
Mason City, IA 50401
Phone (641) 422-6999

1631 4th St SW
Mason City, IA 50401
Phone (641) 424-0722

1631 4th St SW
Ste 114B
Mason City, IA 50401
Phone (641) 428-6000

600 1st St NW
Ste 101
Mason City, IA 50401

621 S Illinois Ave
Ste 103
Mason City, IA 50401

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1156291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743465600000",
    "number": "1811004294",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 S ILLINOIS AVE",
            "address_2": "SUITE 103",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504015489",
            "telephone_number": "641-494-3041",
            "fax_number": "641-494-3059"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 4TH ST SW",
            "address_2": "SUITE IM",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012800",
            "telephone_number": "641-422-6999",
            "fax_number": "641-422-6678"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUNLAY",
        "first_name": "PATRICK",
        "middle_name": "T",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-23",
        "last_updated": "2025-04-01",
        "certification_date": "2025-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IA",
            "license": "02413",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1001198",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK",
            "identifier": "47725",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Mason City, IA

Sources for this page

Verify at the official NPI Registry.