Riannon Herr, APRN

Primary specialty

Critical Care Medicine Nurse PractitionerTaxonomy code 363LC0200X

License

861707 Issued in NV

Practice address

720 Eskenazi Ave
Indianapolis, IN 46202-5187

Phone

(317) 880-7666

NPI assigned

Sep 25, 2023

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

Electronic endpoints 2

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Eskenazi Medical Group IncGroup PAC ID 4284546813, 134 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Eskenazi Health Hospital, Indianapolis, IN, CCN 150024

Merit-based Incentive Payment System (MIPS)

Final score

65.71 of 100Reported as group

Quality

22.52

Promoting interoperability

98

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rherr145090@direct.eskenazihealth.edu
• Direct secure messaging: rherr@direct.iuhealth.org

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.

• Eskenazi Medical Group Inc

  • Adult Medicine Physician
  • Indianapolis, IN
  • NPI 1730451063

  Nurse Practitioner

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

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777

  Nurse Practitioner

  Medicare reassignment Care Compare group NPD

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

• The Health and Hospital Corporation of Marion County

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1568407310
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  • Methadone Clinic
  • Indianapolis, IN
  • NPI 1760922249

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1695600000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766102400000",
    "number": "1578342010",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 637764",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452637764",
            "telephone_number": "317-880-3939"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "720 ESKENAZI AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025187",
            "telephone_number": "317-880-7666"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "715 Mall Ring Cir Ste 202",
            "address_purpose": "LOCATION",
            "city": "Henderson",
            "state": "NV",
            "postal_code": "890146667",
            "country_code": "US",
            "telephone_number": "702-483-6200",
            "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": "317-944-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HERR",
        "first_name": "RIANNON",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-25",
        "last_updated": "2025-12-19",
        "certification_date": "2025-12-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LC0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Critical Care Medicine",
            "state": "NV",
            "license": "861707",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IN",
            "license": "71016947A",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "RHERR@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"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rherr145090@direct.eskenazihealth.edu",
            "affiliation": "N",
            "address_1": "720 Eskenazi Ave",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025187",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Heroh Functional Institute PC
• Heroh Sports and Family Chiropractic
• Kaila Herold, MD
• Emily Herr
• Jacob Herr
• Wendy Dickinson Herrberg, LMHC
• Natalie Herrera-Rivera
• David William Herrera
• Maria Herrera, MD
• Roberto Herrera III, D.O.

• Critical Care Medicine Nurse Practitioner in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Critical Care Medicine Nurse Practitioner in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 19, 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.