Individual provider Active NPI

Margaret Diguardo, M.D.

  • Blood Banking & Transfusion Medicine Physician
  • Rochester, MN
National Provider Identifier
1326468802
Registry record updated Feb 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Blood Banking & Transfusion Medicine PhysicianTaxonomy code 207ZB0001X
License
61676 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905
Phone
(507) 284-2511
NPI assigned
Apr 23, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 24, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X 61676 MN
Blood Banking & Transfusion Medicine Physician 207ZB0001X 61676 MN Primary

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905

Mailing address

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

Other practice location 1

1215 Lee St
Box 800904
Charlottesville, VA 22908-0816
Phone (434) 982-1018

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN
Eligible to order & refer
  • Part B services: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20170523000586 MN Practitioner - Pathology 3173741113 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
61676MNMDBlood Banking & Transfusion Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic CurrentSince Jul 1, 2017 Accepting new patients
Mayo Clinic CurrentSince Jul 1, 2017 Accepting new patients

Locations

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

Organizations & group practices 2

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": "1398211200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1326468802",
    "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": "55905",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1215 Lee St",
            "address_2": "Box 800904",
            "address_purpose": "LOCATION",
            "city": "Charlottesville",
            "state": "VA",
            "postal_code": "229080816",
            "country_code": "US",
            "telephone_number": "434-982-1018",
            "fax_number": "434-924-9492",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIGUARDO",
        "first_name": "MARGARET",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-23",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0105X",
            "taxonomy_group": "",
            "desc": "Pathology, Clinical Pathology/Laboratory Medicine",
            "state": "MN",
            "license": "61676",
            "primary": false
        },
        {
            "code": "207ZB0001X",
            "taxonomy_group": "",
            "desc": "Pathology, Blood Banking & Transfusion Medicine",
            "state": "MN",
            "license": "61676",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.