Mallery Olsen, MD

Primary specialty

Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X

License

80064 Issued in MN

Practice address

2450 Riverside Ave
Minneapolis, MN 55454-1450

Phone

(612) 365-8100

NPI assigned

Mar 25, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MN

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 1

Specialty

Hematology/OncologyAlso: Pediatric Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Fairview Express CareGroup PAC ID 3375645179, 1,946 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: molsen2677839@fairview.direct-ci.com

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.

• Fairview Express Care

  • Multi-Specialty Clinic/Center
  • Minneapolis, MN
  • NPI 1053952606
  Medicare reassignment Care Compare group NPD
• Hennepin Healthcare System, Inc

  • Rehabilitation Hospital Unit
  • Minneapolis, MN
  • NPI 1033138136
  Medicare reassignment NPD
• University of Minnesota Health Clinics and Surgery Center, Inc.

  • Clinic/Center
  • Minneapolis, MN
  • NPI 1053795187
  Medicare reassignment NPD
• University of Minnesota Physicians

  • Multi-Specialty Clinic/Center
  • Minneapolis, MN
  • NPI 1477598118
  Medicare reassignment NPD
• Fairview Specialty Services

  • Clinic/Center
  • Minneapolis, MN
  • NPI 1588543862
  Medicare reassignment
• Fairview Express Care

  • Clinic/Center
  • Edina, MN
  • NPI 1659509552
  NPD
• Fairview Express Care

  • General Practice Physician
  • Edina, MN
  • NPI 1831707207
  NPD
• Hennepin Healthcare System Inc

  • Specialty Pharmacy
  • Minneapolis, MN
  • NPI 1619567625
  NPD
• University of Minnesota Health Clinics and Surgery Center Inc

  • Anesthesiology Physician
  • Minneapolis, MN
  • NPI 1003485004
  NPD
• University of Minnesota Physicians

  • Primary Care Clinic/Center
  • Minneapolis, MN
  • NPI 1730586819
  NPD
• University of Minnesota Physicians

  • Dental Clinic/Center
  • Minneapolis, MN
  • NPI 1952546061
  NPD
• Phoenix Children'S Hospital

  • Pediatrics Physician
  • Phoenix, AZ
  • NPI 1922112044
  NPD

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

{
    "created_epoch": "1427241600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1649664871",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2450 RIVERSIDE AVE # 8951",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554541450"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2450 RIVERSIDE AVE",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554541450",
            "telephone_number": "612-365-8100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSEN",
        "first_name": "MALLERY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-03-25",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "MN",
            "license": "80064",
            "primary": true
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "MN",
            "license": "80064",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "163982",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Caryn Marie Olsen, LICSW
• Christopher Olsen, DPM
• Christopher Alan Olsen
• Demi Olsen, PHARMD
• Kenneth David Olsen, MD
• Marissa Michelle Olsen, LN, CNS
• Rebecca Olsen, LICSW
• Taylor Olsen, MD
• Trisha Ann Olsen, NONE
• Caspar Anderson Olseth

• Pediatric Hematology & Oncology Physician in Minneapolis, MN
• Providers in Minneapolis, MN by specialty
• Pediatric Hematology & Oncology Physician in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 2025; 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.