NPIMap

Individual provider Active NPI

Madeline Graber Hellendag, M.D.

  • Obstetrics & Gynecology Physician
  • Minneapolis, MN
National Provider Identifier
1912396615
Registry record updated Sep 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
66079 Issued in MN
Practice address
121 S 8TH St Ste 600
Minneapolis, MN 55402-2825
Phone
(612) 833-4822
NPI assigned
Jan 19, 2015
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 66079 MN Primary

Addresses

Primary practice location

121 S 8TH St Ste 600
Minneapolis, MN 55402-2825

Mailing address

2925 Chicago Ave
Minneapolis, MN 55407-1321
Phone (612) 262-5000

Other names 1

  • Madeline Sydney Graber Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mhellendag447291@excellian.direct.allina.com Direct

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191002001499 MN Practitioner - Obstetrics/Gynecology 6204117625 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Allina Health SystemGroup PAC ID 4587573613, shared by 89 NPIs, 3,844 clinicians

Practice addresses (Care Compare)

440 Elm St E
Annandale, MN 55302-1109
Phone (320) 682-5225

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
85.6 of 100Reported as group
Quality
72.5
Promoting interoperability
100
Improvement activities
40
Cost
77.07

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of the uterus1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
66079MNMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Allina Health System Single Specialty CurrentSince Dec 21, 2022 Accepting new patients
Allina Health System Single Specialty Current Accepting new patients
Allina Health System Single Specialty CurrentSince Sep 16, 2019 Accepting new patients
Allina Health System CurrentSince Sep 16, 2019 Accepting new patients
Allina Health System Past Accepting new patients

Locations

440 Elm St E
Annandale, MN 55302
Phone (320) 682-5225

2925 Chicago Ave
#10957
Minneapolis, MN 55407
Phone (612) 262-8640

121 S 8th St
Ste 600
Minneapolis, MN 55402
Phone (612) 333-4822

2215 Park Ave
Minneapolis, MN 55404
Phone (612) 775-8800

2925 Chicago Ave
Minneapolis, MN 55407
Phone (612) 262-4813

Interoperability endpoints

  • Direct secure messaging: mhellendag447291@excellian.direct.allina.com

Organizations & group practices 5

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 23

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 23

NPI Registry JSON

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

{
    "created_epoch": "1421625600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789430400000",
    "number": "1912396615",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2925 CHICAGO AVE",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554071321",
            "telephone_number": "612-262-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "121 S 8TH ST STE 600",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554022825",
            "telephone_number": "612-833-4822"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HELLENDAG",
        "first_name": "MADELINE",
        "middle_name": "GRABER",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-01-19",
        "last_updated": "2026-09-15",
        "certification_date": "2026-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MN",
            "license": "66079",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mhellendag447291@excellian.direct.allina.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/PDF/TXT",
            "address_1": "121 S 8th St Ste 600",
            "city": "Minneapolis",
            "state": "MN",
            "country_code": "US",
            "postal_code": "554022825",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MADELINE",
            "last_name": "GRABER",
            "middle_name": "SYDNEY",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Minneapolis, MN

Sources for this page

Verify at the official NPI Registry.