Andrew Ross Wickman O'Brien, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

01078693A Issued in IN

Practice address

8326 Naab Rd
Indianapolis, IN 46260-1920

Phone

(317) 871-0000

Fax

(317) 871-0010

NPI assigned

May 21, 2013

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 2

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in IN

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: Internal Medicine

Education

University of Louisville School of Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Indiana University Health IncGroup PAC ID 2365350675, 56 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Indiana University Health Hospital, Indianapolis, IN, CCN 150056
• Iu Health West Hospital Hospital, Avon, IN, CCN 150158
• Indiana University Health North Hospital Hospital, Carmel, IN, CCN 150161

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aobrien13865@direct.eskenazihealth.edu

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.

• Indiana University Health, Inc

  • Cardiovascular Disease Physician
  • Indianapolis, IN
  • NPI 1376586719

  Hematology

  Medicare reassignment Care Compare group NPD
• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD
• University Medical Diagnostic Associates, Inc.

  • Internal Medicine Physician
  • Indianapolis, IN
  • NPI 1861441537
  Medicare reassignment NPD
• Indiana Pathology Institute PC

  • Specialist
  • Indianapolis, IN
  • NPI 1548212798
  NPD
• Major Hospital

  • General Acute Care Hospital
  • Shelbyville, IN
  • NPI 1174555692
  NPD (past)

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

• Indiana University Health North Hospital Inc

  • General Acute Care Hospital
  • Carmel, IN
  • NPI 1568492916
  Care Compare affiliation Name & address match
• Indiana University Health West Hospital Inc

  • General Acute Care Hospital
  • Avon, IN
  • NPI 1063443455
  Care Compare affiliation Name & address match
• Indiana University Health Inc

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1144266024
  Care Compare affiliation

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

{
    "created_epoch": "1369094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741996800000",
    "number": "1962848507",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 N SHADELAND AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462194959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8326 NAAB RD",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462601920",
            "telephone_number": "317-871-0000",
            "fax_number": "317-871-0010"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6845 E US Highway 36",
            "address_purpose": "LOCATION",
            "city": "Avon",
            "state": "IN",
            "postal_code": "461239779",
            "country_code": "US",
            "telephone_number": "317-272-4920",
            "fax_number": "317-968-1162",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1701 N Senate Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462021239",
            "country_code": "US",
            "telephone_number": "888-484-3258",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "ANDREW",
        "middle_name": "ROSS WICKMAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-05-21",
        "last_updated": "2025-03-15",
        "certification_date": "2025-03-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01078693A",
            "primary": false
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "IN",
            "license": "01078693A",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "IN",
            "license": "11017065A",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "IN",
            "license": "01078693A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM PTAN",
            "identifier": "000001339029",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300013620",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aobrien2@direct.iuhealth.org",
            "affiliation": "N",
            "address_1": "8326 Naab Rd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462601920",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aobrien2@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "6845 E US Highway 36",
            "city": "Avon",
            "state": "IN",
            "country_code": "US",
            "postal_code": "461239779",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aobrien2@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1701 N Senate Blvd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462021239",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Sikholisile Nyoni, FNP-BC
• Irene M Nzuki, FNP
• O Health Center
• O'Brien Psychological Services, Inc.
• Allison Ann O'Brien, DO
• Daniel O'Brien
• Dennis M. O'Brien Jr., MD
• Elizabeth Anna Margaret O'Brien, BSN
• Kate O'Brien, PSY.D.
• Kelly Marie O'Brien, COTA

• Hematology & Oncology Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Hematology & Oncology Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 15, 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.