Ivor Asztalos, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

80085 Issued in MN

Practice address

200 1St St SW
Rochester, MN 55905-0001

Phone

(507) 284-2511

NPI assigned

Jun 4, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in PA, MN, IA, ND4 enrollments

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 4

Specialty

Pediatric MedicineAlso: Cardiovascular Disease (Cardiology)

Education

Perelman School of Med at the University of Pennsylvania, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mayo Clinic Health System-Southeast Minnesota RegionGroup PAC ID 4385556703, 550 clinicians

Mayo Clinic Health System-Southwest Minnesota RegionGroup PAC ID 4688585771, 658 clinicians

Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Mayo Clinic

  • Multi-Specialty Clinic/Center
  • Rochester, MN
  • NPI 1922074434

  MN

  Medicare reassignment Care Compare group NPD
• Mayo Clinic Health System-Southeast Minnesota Region

  • Multi-Specialty Clinic/Center
  • Albert Lea, MN
  • NPI 1891701637

  MN

  Medicare reassignment Care Compare group NPD
• Mayo Clinic Health System-Southwest Minnesota Region

  • Critical Access Hospital
  • New Prague, MN
  • NPI 1124035282

  MN

  Medicare reassignment Care Compare group NPD
• Mayo Clinic Health System-Southwest Minnesota Region

  • Multi-Specialty Clinic/Center
  • Mankato, MN
  • NPI 1578545422

  MN

  Medicare reassignment Care Compare group NPD
• Mayo Clinic Health System-Southwest Minnesota Region

  • Critical Access Hospital
  • Waseca, MN
  • NPI 1740256668

  MN

  Medicare reassignment Care Compare group NPD
• Mayo Clinic Health System-Fairmont

  • Multi-Specialty Clinic/Center
  • Fairmont, MN
  • NPI 1366410862

  MN

  Medicare reassignment NPD
• Winneshiek Medical Center

  • Primary Care Clinic/Center
  • Mabel, MN
  • NPI 1093857393

  MN

  Medicare reassignment NPD
• Childrens Health Care Associates, Inc

  • Pediatrics Physician
  • Philadelphia, PA
  • NPI 1598869059

  PA, Pediatrics

  Medicare reassignment NPD
• St. Alexius Medical Center

  • Specialist
  • Bismarck, ND
  • NPI 1205868429

  ND

  Medicare reassignment NPD
• Winneshiek Medical Center

  • Multi-Specialty Clinic/Center
  • Decorah, IA
  • NPI 1992854863

  IA

  Medicare reassignment NPD
• Mayo Clinic

  • Clinical Medical Laboratory
  • Rochester, MN
  • NPI 1083249577
  Care Compare group NPD
• Mayo Clinic Health System-Southeast Minnesota Region

  • Clinic Pharmacy
  • Cannon Falls, MN
  • NPI 1699597468
  Care Compare group NPD

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

{
    "created_epoch": "1433376000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775779200000",
    "number": "1962882969",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "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": "507-284-2511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5225 23rd Ave S",
            "address_purpose": "LOCATION",
            "city": "Fargo",
            "state": "ND",
            "postal_code": "581047927",
            "country_code": "US",
            "telephone_number": "701-417-2575",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3401 Civic Center Blvd",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191044319",
            "country_code": "US",
            "telephone_number": "215-590-6379",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "700 West Ave S",
            "address_purpose": "LOCATION",
            "city": "La Crosse",
            "state": "WI",
            "postal_code": "546018806",
            "country_code": "US",
            "telephone_number": "608-785-0940",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ASZTALOS",
        "first_name": "IVOR",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-06-04",
        "last_updated": "2026-04-10",
        "certification_date": "2026-04-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "PA",
            "license": "MT208303",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "14467",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "PA",
            "license": "MD464480",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MN",
            "license": "80085",
            "primary": true
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "ND",
            "license": "23140",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "iasztalos2563046@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": []
}

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• Amanda N Asuzu, RD
• Fawn Wen Atchison, MD, PHD
• Erick Nyambariga Ateka, CNP
• Haley Atencio, BA, LADC
• Karyna Ajay Atha
• Jessica Atieh, MD

• All providers in Rochester, MN
• Pediatrics Physician in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.