NPIMap

Organization Active NPI

North Iowa Mercy Clinics

Doing business as MercyOne North Iowa Specialty Care

  • Internal Medicine Physician
  • Mason City, IA
National Provider Identifier
1609806371
Registry record updated Mar 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
NORTH IOWA MERCY CLINICS
Doing business as
MercyOne North Iowa Specialty Care
Practice address
1000 4TH St SW
Mason City, IA 50401-2800
Phone
(641) 428-6999
Fax
(641) 428-6678
NPI assigned
Jul 5, 2006
Last updated
Mar 5, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 5, 2026

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

Authorized official

Name
Mark C Trammel
Title
VP Finance
Phone
(641) 428-7984

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 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

Other practice location 1

1010 4th St SW
Suite 305
Mason City, IA 50401-2856
Phone (641) 428-5700

Other names 1

  • MercyOne North Iowa Specialty Care Doing business as

Electronic endpoints 3

TypeEndpointUseAffiliation
CONNECT URL https://cobiusconnect.cobius.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Cobius Healthcare Solutions
Direct Messaging Address mercy.internal.medicine.clinic@trinityhealthia.medicity.net Direct MercyOne North Iowa
Direct Messaging Address mercy.internal.medicine.clinic@trinityhealthia.medicity.net Direct MercyOne North Iowa

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031105000273 IA Part B Supplier - Clinic/Group Practice 7810809076 Receives reassigned benefits from 477 practitioners
39 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment

Other NPIs on the same Medicare enrollment 39

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 39

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 164

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 164

NPI Registry JSON

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

{
    "created_epoch": "1152057600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772668800000",
    "number": "1609806371",
    "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"
        },
        {
            "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": "641-428-6999",
            "fax_number": "641-428-6678"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1010 4th St SW",
            "address_2": "Suite 305",
            "address_purpose": "LOCATION",
            "city": "Mason City",
            "state": "IA",
            "postal_code": "504012856",
            "country_code": "US",
            "telephone_number": "641-428-5700",
            "fax_number": "641-428-2515",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "NORTH IOWA MERCY CLINICS",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-05",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A",
        "authorized_official_last_name": "TRAMMEL",
        "authorized_official_first_name": "MARK",
        "authorized_official_middle_name": "C",
        "authorized_official_title_or_position": "VP FINANCE",
        "authorized_official_telephone_number": "641-428-7984"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://cobiusconnect.cobius.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.1068.1",
            "affiliationName": "Cobius Healthcare Solutions",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "Use: CMS esMD eMDR",
            "address_1": "2720 Dundee Rd # 302",
            "city": "Northbrook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600622609",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mercy.internal.medicine.clinic@trinityhealthia.medicity.net",
            "affiliation": "Y",
            "endpointDescription": "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"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mercy.internal.medicine.clinic@trinityhealthia.medicity.net",
            "affiliation": "Y",
            "endpointDescription": "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": [
        {
            "organization_name": "MercyOne North Iowa Specialty Care",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Mason City, IA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.