NPIMap

Individual provider Active NPI

Ari L Nahum, M.D.

  • Internal Medicine Physician
  • Saint Paul, MN
National Provider Identifier
1538503719
Registry record updated Jun 14, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
60230 Issued in MN
Practice address
640 Jackson St
Saint Paul, MN 55101
Phone
(651) 254-3456
Fax
(651) 254-9673
NPI assigned
Apr 18, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 14, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 60230 MN Primary
Internal Medicine Physician 207R00000X 69932-20 WI

Addresses

Primary practice location

640 Jackson St
Saint Paul, MN 55101

Mailing address

8170 33Rd Ave
Ms 21110Q
Bloomington, MN 55425-4516

Other practice location 1

420 Delaware St SE
MMC 284
Minneapolis, MN 55455-0341
Phone (612) 625-5454

Other names 1

  • Dr. Ari Holloway-Nahum Professional name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, MN2 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
I20180920000654 WI Practitioner - Internal MedicinePractitioner - Hospitalist 3870890775 Reassigns benefits to 3 organizations
I20180921001160 MN Practitioner - Internal MedicinePractitioner - Hospitalist 3870890775 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Group Health IncGroup PAC ID 1759293954, 1,627 clinicians

Practice addresses (Care Compare)

640 Jackson St
Saint Paul, MN 55101-2502
Phone (651) 221-3456

8600 Nicollet Ave
Bloomington, MN 55420-2824
Phone (952) 884-1148

927 Churchill W St
Stillwater, MN 55082-6605
Phone (651) 439-5330

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
69932-20WIMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hudson Hospital, Inc. CurrentSince Oct 1, 2018 Accepting new patients
Amery Regional Medical Center, Inc. CurrentSince Dec 27, 2025 Accepting new patients
Group Health, Inc. CurrentSince Oct 1, 2018 Accepting new patients
Hudson Hospital, Inc. CurrentSince Oct 1, 2018 Accepting new patients
Amery Regional Medical Center, Inc. CurrentSince Dec 27, 2025 Accepting new patients
Group Health, Inc. CurrentSince Oct 1, 2018 Accepting new patients

Locations

8170 33rd Ave S
#21110Q
Minneapolis, MN 55425
Phone (952) 883-5375

8600 Nicollet Ave S
Minneapolis, MN 55420
Phone (952) 887-6600

420 Delaware St SE
Ste MMC284
Minneapolis, MN 55455
Phone (612) 625-5454

2220 Riverside Ave
Minneapolis, MN 55454
Phone (612) 371-1600

640 Jackson St
Saint Paul, MN 55101
Phone (651) 221-2164

3931 Louisiana Ave S
St Louis Park, MN 55426
Phone (952) 993-3230

265 Griffin St E
Amery, WI 54001
Phone (715) 268-0301

405 Stageline Rd
Hudson, WI 54016
Phone (715) 531-6000

Organizations & group practices 8

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 12

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": "1366243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1686700800000",
    "number": "1538503719",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8170 33RD AVE",
            "address_2": "MS 21110Q",
            "city": "BLOOMINGTON",
            "state": "MN",
            "postal_code": "554254516"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "640 JACKSON ST",
            "city": "SAINT PAUL",
            "state": "MN",
            "postal_code": "55101",
            "telephone_number": "651-254-3456",
            "fax_number": "651-254-9673"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "420 Delaware St SE",
            "address_2": "MMC 284",
            "address_purpose": "LOCATION",
            "city": "Minneapolis",
            "state": "MN",
            "postal_code": "554550341",
            "country_code": "US",
            "telephone_number": "612-625-5454",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NAHUM",
        "first_name": "ARI",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-04-18",
        "last_updated": "2023-06-14",
        "certification_date": "2023-06-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "60230",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "69932-20",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ARI",
            "last_name": "HOLLOWAY-NAHUM",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Saint Paul, MN

Sources for this page

Verify at the official NPI Registry.