NPIMap

Individual provider Active NPI

Diana Ileana Trifa, MD

  • Cardiovascular Disease Physician
  • Eau Claire, WI
National Provider Identifier
1588816300
Registry record updated Feb 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
65303 Issued in AZ
Practice address
1400 Bellinger St
Eau Claire, WI 54703
Phone
(715) 838-5222
NPI assigned
Oct 13, 2008
Last updated
Feb 17, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 17, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 67987 WI
Cardiovascular Disease Physician 207RC0000X 65303 AZ Primary

Addresses

Primary practice location

1400 Bellinger St
Eau Claire, WI 54703

Mailing address

PO Box 1510
Eau Claire, WI 54702-1510
Phone (715) 838-5222

Other practice location 1

13400 E Shea Blvd
Scottsdale, AZ 85259-5499
Phone (480) 301-8000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address dtrifa42695@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, AZ2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20171009001530 WI Practitioner - Cardiovascular Disease (Cardiology) 6204974546 Reassigns benefits to 6 organizations
I20251218001919 AZ Practitioner - Cardiovascular Disease (Cardiology) 6204974546 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Other, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mayo Clinic ArizonaGroup PAC ID 7012829930, 1,618 clinicians
Mayo Clinic Health System-Northwest Wisconsin Region IncGroup PAC ID 4385553627, shared by 21 NPIs, 797 clinicians

Practice addresses (Care Compare)

13400 E Shea Blvd
Scottsdale, AZ 85259-5404
Phone (480) 301-8000

1400 Bellinger St
Eau Claire, WI 54703-5222
Phone (715) 838-5222

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
65303AZMDCardiovascular Disease Physician
67987WIMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Sep 5, 2017 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Sep 5, 2017 Accepting new patients
Mayo Clinic Arizona CurrentSince Dec 8, 2025 Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Nov 27, 2018 Accepting new patients
Mayo Clinic Arizona CurrentSince Dec 8, 2025 Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Nov 27, 2018 Accepting new patients
University Group Medical Associates, P.C Past Accepting new patients

Locations

13400 E Shea Blvd
Scottsdale, AZ 85259

1222 E Woodland Ave
Barron, WI 54812
Phone (715) 537-3166

1501 Thompson St
Bloomer, WI 54724
Phone (715) 568-2000

1400 Bellinger St
Eau Claire, WI 54703
Phone (715) 838-3311

733 W Clairemont Ave
Eau Claire, WI 54701
Phone (715) 838-3806

800 West Ave S
La Crosse, WI 54601
Phone (608) 372-5951

2321 Stout Rd
Menomonie, WI 54751
Phone (715) 235-5531

13025 8th St
Osseo, WI 54758
Phone (715) 597-2575

800 E Blackhawk Ave
Prairie du Chien, WI 53821
Phone (608) 326-0808

Interoperability endpoints

  • Direct secure messaging: dtrifa42695@ehrdirect.mayoclinicmsg.org

Organizations & group practices 11

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 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": "1223856000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1588816300",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1510",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547021510",
            "telephone_number": "715-838-5222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 BELLINGER ST",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "54703",
            "telephone_number": "715-838-5222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13400 E Shea Blvd",
            "address_purpose": "LOCATION",
            "city": "Scottsdale",
            "state": "AZ",
            "postal_code": "852595499",
            "country_code": "US",
            "telephone_number": "480-301-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRIFA",
        "first_name": "DIANA",
        "middle_name": "ILEANA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-10-13",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "WI",
            "license": "67987",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "AZ",
            "license": "65303",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dtrifa42695@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "13400 E Shea Blvd",
            "city": "Scottsdale",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "852595499",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Eau Claire, WI

Sources for this page

Verify at the official NPI Registry.