Individual provider Active NPI

Kristin Millen, NP

  • Gerontology Nurse Practitioner
  • Indianapolis, IN
National Provider Identifier
1831859354
Registry record updated Aug 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gerontology Nurse PractitionerTaxonomy code 363LG0600X
License
71012110A Issued in IN
Practice address
1801 N Senate Blvd
Indianapolis, IN 46202-1228
Phone
(317) 944-3636
NPI assigned
Dec 23, 2021
Last updated
Aug 4, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 4, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 71012110A IN
Gerontology Nurse Practitioner 363LG0600X 71012110A IN Primary
Registered Nurse 163W00000X 28241439A IN

Addresses

Primary practice location

1801 N Senate Blvd
Indianapolis, IN 46202-1228

Mailing address

250 N Shadeland Ave
Indianapolis, IN 46219-4959

Other practice location 1

720 Eskenazi Ave
Indianapolis, IN 46202-5187
Phone (317) 880-6900

Electronic endpoints 1

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN, IL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20220214002029 IN Practitioner - Nurse Practitioner 3274926373 Reassigns benefits to 2 organizations
I20251126003448 IL Practitioner - Nurse Practitioner 3274926373

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

17177 N Laurel Park Dr
Livonia, MI 48152-3938

PO Box
Chicago, IL 60674

Merit-based Incentive Payment System (MIPS)

Final score
98.69 of 100Reported as group
Quality
80.42
Promoting interoperability
100
Improvement activities
40
Cost
81.89

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
71012110AINMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Cleanslate Medical Group of Indiana LLC CurrentSince Jan 8, 2024 Accepting new patients
Healing Partners Plus PLLC CurrentSince Oct 15, 2025 Accepting new patients
Marciana Group CurrentSince Nov 1, 2024 Accepting new patients
Advocates in Home Health Care PC CurrentSince Oct 14, 2025 Accepting new patients
Patel Family Medicine LLC CurrentSince Oct 15, 2025 Accepting new patients
United Wound Care Institute-Illinois CurrentSince Oct 15, 2025 Accepting new patients
Eskenazi Medical Group Inc Nurse Practitioner CurrentSince Apr 4, 2022 Accepting new patients
365 Health Care Group PLC CurrentSince Oct 14, 2025 Accepting new patients
Eskenazi Medical Group Inc CurrentSince Apr 4, 2022 Accepting new patients
Nova Medico S.C. CurrentSince Oct 15, 2025 Accepting new patients
Patel Familymedicine Past Accepting new patients

Locations

1440 W Taylor St
Chicago, IL 60607
Phone (612) 263-9334

2020 Calamos Ct
Ste 250
Naperville, IL 60563

1480 Renaissance Dr
Ste 211
Park Ridge, IL 60068
Phone (847) 296-6161

4925 S Scatterfield Rd
Anderson, IN 46013
Phone (765) 442-0402

1725 N Meridian St
Indianapolis, IN 46202
Phone (317) 396-2676

6101 N Keystone Ave
Ste 100
Indianapolis, IN 46220
Phone (219) 315-6581

720 Eskenazi Ave
Indianapolis, IN 46202
Phone (317) 880-0000

720 Eskenazi Ave
Fl 5
Indianapolis, IN 46202
Phone (317) 880-6000

105 Water St
Plymouth, IN 46563
Phone (574) 540-2052

100 W Big Beaver Rd
Ste 200
Troy, MI 48084
Phone (248) 552-8195

1270 Northland Dr
Ste 250
Saint Paul, MN 55120
Phone (833) 642-0391

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/13629/brand/1/csg/1/fhir/r4

Organizations & group practices 11

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.

NPI Registry JSON

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

{
    "created_epoch": "1640217600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785801600000",
    "number": "1831859354",
    "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": "1801 N SENATE BLVD",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462021228",
            "telephone_number": "317-944-3636"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "720 Eskenazi Ave",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462025187",
            "country_code": "US",
            "telephone_number": "317-880-6900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MILLEN",
        "first_name": "KRISTIN",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-12-23",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IN",
            "license": "71012110A",
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "IN",
            "license": "71012110A",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "IN",
            "license": "28241439A",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kmillen@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1801 N Senate Blvd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462021228",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.