Individual provider Active NPI

Rebecca Treffalls, DO

  • Anesthesiology Physician
  • Rochester, MN
National Provider Identifier
1104678804
Registry record updated Aug 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
80825 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905-0001
Phone
(507) 284-2500
NPI assigned
Apr 4, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Vascular Surgery Physician 2086S0129X 34377 MN
Anesthesiology Physician 207L00000X 80825 MN Primary

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905-0001

Mailing address

200 1St St SW
Rochester, MN 55905-0001
Phone (507) 284-2511

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address rtreffalls1989567@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN
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
I20250911001301 MN Practitioner - Anesthesiology 3476090051 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of the Incarnate Word School of Osteo Medicine, 2024
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

PO Box
Minneapolis, MN 55486

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
80825MNMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic CurrentSince Aug 21, 2025 Accepting new patients
Mayo Clinic Current Accepting new patients
Mayo Clinic CurrentSince Aug 21, 2025 Accepting new patients

Locations

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1712188800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756512000000",
    "number": "1104678804",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TREFFALLS",
        "first_name": "REBECCA",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-04-04",
        "last_updated": "2025-08-30",
        "certification_date": "2025-08-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "MN",
            "license": "34377",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MN",
            "license": "80825",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rtreffalls1989567@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559050001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.