Individual provider Active NPI

Sarah Elizabeth Diaz, DO

  • Surgery Physician
  • Duluth, MN
National Provider Identifier
1376903708
Registry record updated Jun 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
78919 Issued in MN
Practice address
400 E 3Rd St
Duluth, MN 55805-1951
Phone
(218) 786-8364
NPI assigned
Feb 26, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 81775 WI
Colon & Rectal Surgery Physician 208C00000X 5101022337 MI
Surgery Physician 208600000X 78919 MN Primary

Addresses

Primary practice location

400 E 3Rd St
Duluth, MN 55805-1951

Mailing address

400 E 3Rd St
Duluth, MN 55805-1951
Phone (218) 786-8364

Other practice location 1

4100 Campus Ridge Dr
Midland, MI 48640-6139
Phone (989) 839-1795

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, WI, MN3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20220621001076 MI Practitioner - Colorectal Surgery (Proctology) 2567754310 Reassigns benefits to 2 organizations
I20250703002091 WI Practitioner - General Surgery 2567754310 Reassigns benefits to 2 organizations
I20250703002784 MN Practitioner - General Surgery 2567754310 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
At Still University of Health Sciences, College of Osteo Med, Kirksville, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The Duluth Clinic LTDGroup PAC ID 2567374283, 1,135 clinicians

Practice addresses (Care Compare)

400 E 3Rd St
Duluth, MN 55805-1951
Phone (218) 786-8364

Hospital & facility affiliations

  • Essentia Health Duluth Hospital, Duluth, MN, CCN 240019
  • Essentia Health St Mary'S Medical Center Hospital, Duluth, MN, CCN 240002
  • St Marys Hospital Superior Hospital, Superior, WI, CCN 521329
  • Essentia Health Virginia Hospital, Virginia, MN, CCN 240084

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy35

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
78919MNMDSurgery Physician
81775WIMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St. Mary'S Hospital of Superior CurrentSince Jul 14, 2025 Accepting new patients
West Branch Regional Medical Center Current Accepting new patients
Mymichigan Medical Center Midland CurrentSince Jul 1, 2022 Accepting new patients
Mymichigan Medical Center West Branch CurrentSince Sep 22, 2022 Accepting new patients
Mymichigan Medical Center West Branch Current Accepting new patients
The Duluth Clinic LTD Current Accepting new patients
The Duluth Clinic LTD CurrentSince Jul 14, 2025 Accepting new patients
St. Mary'S Hospital of Superior Current Accepting new patients
Mymichigan Medical Center Midland CurrentSince Jul 1, 2022 Accepting new patients
The Duluth Clinic, LTD. CurrentSince Jul 14, 2025 Accepting new patients
St Marys Medical Center Past Accepting new patients
Mymichigan Medical Center Midland Past Accepting new patients
The Duluth Clinic, LTD Past Accepting new patients

Locations

4500 N Campus Ridge Dr
Midland, MI 48640
Phone (989) 837-9250

4000 Wellness Dr
Midland, MI 48670
Phone (844) 832-1956

4100 Campus Ridge Dr
Midland, MI 48640
Phone (989) 488-5450

2463 S M 30
West Branch, MI 48661
Phone (517) 345-3660

2431 S M 30
Ste 216
West Branch, MI 48661
Phone (989) 343-1134

400 E 3rd St
Duluth, MN 55805
Phone (218) 722-8364

3500 Tower Ave
Superior, WI 54880
Phone (715) 392-8281

Interoperability endpoints

  • Direct secure messaging: sdiaz1222757@direct.trinity-health.org

Organizations & group practices 13

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.

View all 13

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": "1456444800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750723200000",
    "number": "1376903708",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 E 3RD ST",
            "city": "DULUTH",
            "state": "MN",
            "postal_code": "558051951",
            "telephone_number": "218-786-8364"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 E 3RD ST",
            "city": "DULUTH",
            "state": "MN",
            "postal_code": "558051951",
            "telephone_number": "218-786-8364"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4100 Campus Ridge Dr",
            "address_purpose": "LOCATION",
            "city": "Midland",
            "state": "MI",
            "postal_code": "486406139",
            "country_code": "US",
            "telephone_number": "989-839-1795",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "SARAH",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-02-26",
        "last_updated": "2025-06-24",
        "certification_date": "2025-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "WI",
            "license": "81775",
            "primary": false
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "MI",
            "license": "5101022337",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MN",
            "license": "78919",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Duluth, MN

Sources for this page

Verify at the official NPI Registry.