Individual provider Active NPI

Katherine A Ahlfeld, NP

  • Family Nurse Practitioner
  • Indianapolis, IN
National Provider Identifier
1730553447
Registry record updated May 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
71005932A Issued in IN
Practice address
201 N Illinois St Ste 110
Indianapolis, IN 46204-4293
Phone
(317) 942-6161
NPI assigned
Nov 18, 2015
Last updated
May 6, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 6, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 71005932A IN Primary

Addresses

Primary practice location

201 N Illinois St Ste 110
Indianapolis, IN 46204-4293

Mailing address

250 N Shadeland Ave
Indianapolis, IN 46219-4959

Other practice location 1

1 American Sq
Suite 185
Indianapolis, IN 46282-0020
Phone (317) 948-6161

Other practice location 2

9650 E Washington St Ste 100
Indianapolis, IN 46229-3032
Phone (317) 890-5500

Other practice location 3

1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (888) 484-3258

Other identifiers 3

IdentifierTypeStateIssuer
000001007913OtherINANTHEM PTAN
201354210MedicaidIN
1102216560OtherINANTHEM PTAN

Other names 1

  • Katherine A Dimitroff Former name

Electronic endpoints 3

TypeEndpointUseAffiliation
Direct Messaging Address kahlfeld@direct.iuhealth.org Direct
Direct Messaging Address kahlfeld@direct.iuhealth.org Direct
Direct Messaging Address kahlfeld@direct.iuhealth.org Direct

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20160811002390 IN Practitioner - Nurse Practitioner 8729372883 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2015
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)

1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (888) 484-3258

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University Family Physicians, Inc. CurrentSince Jun 25, 2016 Accepting new patients
Iu Health Medical Group, LLC Family CurrentSince Jul 1, 2025 Accepting new patients
University Family Physicians, Inc. CurrentSince Jun 25, 2016 Accepting new patients
Indiana University Health Care Associates, Inc Family CurrentSince Nov 1, 2023 Accepting new patients
University Medical Diagnostic Associates, Inc. Past Accepting new patients

Locations (25 of 26)

5208 Reliable Pkwy
Chicago, IL 60686

7216 Solutions Ctr
Chicago, IL 60677

1111 Ronald Reagan Pkwy
Ste C1600
Avon, IN 46123
Phone (317) 217-2500

1351 Ronald Reagan Pkwy
Ste A
Avon, IN 46123
Phone (317) 217-2919

1351 Ronald Reagan Pkwy
Ste B
Avon, IN 46123
Phone (317) 948-3200

1375 N Green St
Ste 100
Brownsburg, IN 46112
Phone (317) 852-2251

11725 Illinois St
Ste 250
Carmel, IN 46032
Phone (317) 688-5300

11725 Illinois St
Ste 325
Carmel, IN 46032
Phone (317) 688-5800

11100 USA Pkwy
Fishers, IN 46037
Phone (317) 329-7022

13100 E 136th St
Ste 1200
Fishers, IN 46037
Phone (317) 573-4370

1 American Sq
Ste 185
Indianapolis, IN 46282
Phone (317) 278-6161

1002 Wishard Blvd
Ste 2001
Indianapolis, IN 46202
Phone (317) 944-2801

1040 Wishard Blvd
Indianapolis, IN 46202
Phone (317) 278-1090

1520 N Senate Ave
Indianapolis, IN 46202
Phone (317) 962-0857

1701 N Senate Blvd
Bldg C6
Indianapolis, IN 46202
Phone (913) 962-2000

1701 Senate Blvd
Indianapolis, IN 46202
Phone (317) 612-2754

201 N Illinois St
Ste 110
Indianapolis, IN 46204
Phone (317) 942-6161

250 N Shadeland Ave
Indianapolis, IN 46219
Phone (317) 948-9174

2625 E 62nd St
Ste 2010
Indianapolis, IN 46220
Phone (317) 251-6121

5550 S East St
Ste I
Indianapolis, IN 46227
Phone (317) 780-4080

6820 Parkdale Pl
Ste 100
Indianapolis, IN 46254
Phone (317) 217-2800

8820 S Meridian St
Ste 200
Indianapolis, IN 46217
Phone (317) 865-6750

9650 E Washington St
Ste 100
Indianapolis, IN 46229
Phone (317) 890-5500

820 N Samuel Moore Pkwy
Mooresville, IN 46158
Phone (317) 483-5000

1060 S Main St
Ste 4
Tipton, IN 46072
Phone (765) 675-2069

Interoperability endpoints

  • Direct secure messaging: kahlfeld@direct.iuhealth.org

Organizations & group practices 5

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1447804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746489600000",
    "number": "1730553447",
    "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": "201 N ILLINOIS ST STE 110",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462044293",
            "telephone_number": "317-942-6161"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 American Sq",
            "address_2": "Suite 185",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462820020",
            "country_code": "US",
            "telephone_number": "317-948-6161",
            "fax_number": "317-638-0678",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9650 E Washington St Ste 100",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462293032",
            "country_code": "US",
            "telephone_number": "317-890-5500",
            "fax_number": "317-890-5566",
            "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": "AHLFELD",
        "first_name": "KATHERINE",
        "middle_name": "A",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-11-18",
        "last_updated": "2025-05-06",
        "certification_date": "2025-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IN",
            "license": "71005932A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM PTAN",
            "identifier": "000001007913",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "201354210",
            "state": "IN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM PTAN",
            "identifier": "1102216560",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kahlfeld@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "9650 E Washington St Ste 100",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462293032",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kahlfeld@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "201 N Illinois St Ste 110",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462044293",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kahlfeld@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": [
        {
            "first_name": "KATHERINE",
            "last_name": "DIMITROFF",
            "middle_name": "A",
            "credential": "RN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.