Individual provider Active NPI

Gretchen Mary Keeslar, NP

  • Adult Health Nurse Practitioner
  • Indianapolis, IN
National Provider Identifier
1821956855
Registry record updated Mar 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
71017720A Issued in IN
Practice address
8111 S Emerson Ave Ste 105
Indianapolis, IN 46237-8601
Phone
(317) 528-5500
Fax
(317) 528-6316
NPI assigned
Jan 9, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 10, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 28182978A IN
Adult Health Nurse Practitioner 363LA2200X 71017720A IN Primary

Addresses

Primary practice location

8111 S Emerson Ave Ste 105
Indianapolis, IN 46237-8601

Mailing address

PO Box 781076
Detroit, MI 48278-1008
Phone (317) 528-4800

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
I20260319002151 IN Practitioner - Nurse Practitioner 8325522113 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Indiana Blood and Marrow Transplantation LLCGroup PAC ID 2264558626, 10 clinicians

Practice addresses (Care Compare)

8111 S Emerson Ave
Suite 105
Indianapolis, IN 46237-8601
Phone (317) 528-5500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
28182978AINMDNurse Practitioner
71017720AINMDAdult Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Indiana Blood and Marrow Transplantation LLC CurrentSince Apr 5, 2026 Accepting new patients

Locations

8111 S Emerson Ave
Ste 105
Indianapolis, IN 46237
Phone (317) 528-5500

Organizations & group practices 1

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.

Hospital & facility affiliations 2

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": "1767916800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1821956855",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 781076",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482781008",
            "telephone_number": "317-528-4800",
            "fax_number": "317-865-1479"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8111 S EMERSON AVE STE 105",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462378601",
            "telephone_number": "317-528-5500",
            "fax_number": "317-528-6316"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEESLAR",
        "first_name": "GRETCHEN",
        "middle_name": "MARY",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-01-09",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IN",
            "license": "28182978A",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "IN",
            "license": "71017720A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.