Theresa Neff, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

71005120A Issued in IN

Practice address

2610 Enterprise Dr.
Anderson, IN 46013-9684

Phone

(765) 683-4400

Fax

(765) 642-7903

NPI assigned

Sep 30, 2014

Last updated

Nov 5, 2025By the provider in NPPES

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

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, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Indiana University Health Hospital, Indianapolis, IN, CCN 150056
• Community Hospital of Anderson and Madison County Hospital, Anderson, IN, CCN 150113

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tneff120725@ecommunitydirect.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777

  Nurse Practitioner

  Medicare reassignment Care Compare group NPD
• Community Physicians of Indiana Inc

  • Family Medicine Physician
  • Indianapolis, IN
  • NPI 1619105244
  Medicare reassignment NPD
• Diabetes Associates of Indiana P.C.

  • Geriatric Medicine (Internal Medicine) Physician
  • Indianapolis, IN
  • NPI 1063130383
  Medicare reassignment NPD
• Community Physicians of Indiana Inc

  dba Community Physician Network

  • Endocrinology, Diabetes & Metabolism Physician
  • Carmel, IN
  • NPI 1992396337
  NPD
• Major Hospital

  • General Acute Care Hospital
  • Shelbyville, IN
  • NPI 1174555692
  NPD (past)
• Diabetes Associates of Ohio Inc

  • Geriatric Medicine (Internal Medicine) Physician
  • Cincinnati, OH
  • NPI 1932038312
  NPD (past)

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

• Community Hospital of Anderson & Madison County, Inc

  • General Acute Care Hospital
  • Anderson, IN
  • NPI 1972500452
  Care Compare affiliation
• Indiana University Health Inc

  dba Indiana University Health

  • 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": "1412035200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762300800000",
    "number": "1063815439",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2610 ENTERPRISE DR",
            "city": "ANDERSON",
            "state": "IN",
            "postal_code": "460139684",
            "telephone_number": "765-683-4400",
            "fax_number": "765-642-7903"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2610 ENTERPRISE DR.",
            "city": "ANDERSON",
            "state": "IN",
            "postal_code": "460139684",
            "telephone_number": "765-683-4400",
            "fax_number": "765-642-7903"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8435 Clearvista Pl Ste 101",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462563761",
            "country_code": "US",
            "telephone_number": "317-621-1006",
            "fax_number": "317-621-1010",
            "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": "317-962-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NEFF",
        "first_name": "THERESA",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-09-30",
        "last_updated": "2025-11-05",
        "certification_date": "2025-11-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IN",
            "license": "71005120A",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IN",
            "license": "71005120A",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "201253190",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tneff@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": "tneff120725@eCommunityDirect.com",
            "affiliation": "Y",
            "affiliationName": "Community Physicians of Indiana Inc",
            "address_1": "8435 Clearvista Pl Ste 101",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462563761",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Aishwarya Narnur
• National Birth Centers, Inc.
• National Youth Advocate Program
• Bih Tabah Ndofor, M.D
• Shelby Neff, PHARMD
• Dusti R Nelson
• Kiersten M Nelson, O.D.
• Kyree C Nelson, LCSW
• Liline Nelson, BCABA
• William Wells Nelson, PHARMD

• Nurse Practitioner in Anderson, IN
• Providers in Anderson, IN by specialty
• Nurse Practitioner in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 5, 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.