NPIMap

Individual provider Active NPI

Maude E Nielsen, MD

  • Family Medicine Physician
  • Fort Defiance, AZ
National Provider Identifier
1679572283
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
2000-250 Issued in NM
Practice address
Corner of Route N12 and N7
Fort Defiance, AZ 86504
Phone
(928) 729-8000
NPI assigned
Jul 15, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 2000-250 NM Primary

Addresses

Primary practice location

Corner of Route N12 and N7
Fort Defiance, AZ 86504

Mailing address

PO Box 649
Fort Defiance, AZ 86504-0649
Phone (928) 729-8000

Other practice location 1

801 W Maple St
Farmington, NM 87401-5630
Phone (505) 609-2000

Other identifiers 1

IdentifierTypeStateIssuer
N3885MedicaidNM

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, NM2 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
I20061122000098 TX Practitioner - Family Practice 9335147586 Reassigns benefits to 1 organization
I20110929000178 NM Practitioner - Family PracticePractitioner - Internal MedicinePractitioner - Hospitalist 9335147586 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family PracticeAlso: Hospitalist
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

801 W Maple St
San Juan Regional Hospitalist
Farmington, NM 87401-5630
Phone (505) 609-6463

Corner of Route N12 and N7
Fdihb Inc.
Fort Defiance, AZ 86504-0649
Phone (928) 729-8082

PO Box
Suite 649
Fort Defiance, AZ 86504-0649

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.68 of 100Reported as group
Quality
82.35
Promoting interoperability
100
Improvement activities
40
Cost
76.6

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Unm Medical Group, Inc. CurrentSince Mar 29, 2020 Accepting new patients
Hospitalist Medicine Physicians of Texas, PLLC Family Medicine CurrentSince Aug 1, 2016 Accepting new patients
San Juan Regional Medical Center Inc CurrentSince Dec 18, 2025 Accepting new patients
San Juan Regional Medical Center Inc Family Medicine CurrentSince Dec 18, 2025 Accepting new patients
Unm Medical Group Inc CurrentSince Mar 29, 2020 Accepting new patients
The Fort Defiance Indian Hospital Board, Incorporation CurrentSince Jul 9, 2025 Accepting new patients
Unm Medical Group Inc Past Accepting new patients

Locations

801 W Maple St
Farmington, NM 87401
Phone (505) 325-5011

4820 E Main St
Ste 2
Farmington, NM 87402
Phone (505) 609-6610

2400 Unser Blvd SE
Rio Rancho, NM 87124
Phone (505) 253-0000

2211 Lomas Blvd NE
Unm, NM 87106
Phone (505) 272-1111

Organizations & group practices 9

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.

Hospital & facility affiliations 2

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": "1121385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1679572283",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 649",
            "city": "FORT DEFIANCE",
            "state": "AZ",
            "postal_code": "865040649",
            "telephone_number": "928-729-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "CORNER OF ROUTE N12 AND N7",
            "city": "FORT DEFIANCE",
            "state": "AZ",
            "postal_code": "86504",
            "telephone_number": "928-729-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "801 W MAPLE ST",
            "address_purpose": "LOCATION",
            "city": "FARMINGTON",
            "state": "NM",
            "postal_code": "874015630",
            "country_code": "US",
            "telephone_number": "505-609-2000",
            "fax_number": "505-609-2259",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIELSEN",
        "first_name": "MAUDE",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-15",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NM",
            "license": "2000-250",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "N3885",
            "state": "NM"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Defiance, AZ

Sources for this page

Verify at the official NPI Registry.