Individual provider Active NPI

Zachary Scott Koehler, DO

  • Student in an Organized Health Care Education/Training Program
  • Indianapolis, IN
National Provider Identifier
1366061145
Registry record updated Jan 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X
Practice address
1120 W Michigan St
Indianapolis, IN 46202-5209
Phone
(317) 278-2694
NPI assigned
Apr 13, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 12, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X Primary
Internal Medicine Physician 207R00000X 02007351A IN

Addresses

Primary practice location

1120 W Michigan St
Indianapolis, IN 46202-5209

Mailing address

250 N Shadeland Ave
Indianapolis, IN 46219-4959
Phone (317) 963-4171

Other practice location 1

2651 E Discovery Pkwy
Bloomington, IN 47408-9059
Phone (812) 676-4542

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address zkoehler@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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250806002114 IN Practitioner - Internal Medicine 3476974585 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2020
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)

2651 E Discovery Pkwy
Bloomington, IN 47408-9059
Phone (888) 484-3258

Hospital & facility affiliations

  • Indiana University Health Bloomington Hospital Hospital, Bloomington, IN, CCN 150051
  • Indiana University Health Hospital, Indianapolis, IN, CCN 150056

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
Indiana University Health Southern Indiana Physicians, LLC Internal Medicine CurrentSince Aug 1, 2025 Accepting new patients
Iu Health Medical Group, LLC CurrentSince Jan 1, 2026 Accepting new patients
Indiana University Health Southern Indiana Physicians LLC CurrentSince Aug 1, 2025 Accepting new patients
Major Hospital Past Accepting new patients

Locations

2651 E Discovery Pkwy
Bloomington, IN 47408
Phone (812) 353-9147

727 W 2nd St
Bloomington, IN 47403
Phone (812) 353-3450

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

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

Interoperability endpoints

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

Organizations & group practices 4

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": "1586736000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1366061145",
    "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",
            "telephone_number": "317-963-4171"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1120 W MICHIGAN ST",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025209",
            "telephone_number": "317-278-2694"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2651 E Discovery Pkwy",
            "address_purpose": "LOCATION",
            "city": "Bloomington",
            "state": "IN",
            "postal_code": "474089059",
            "country_code": "US",
            "telephone_number": "812-676-4542",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOEHLER",
        "first_name": "ZACHARY",
        "middle_name": "SCOTT",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-13",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "02007351A",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "zkoehler@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2651 E Discovery Pkwy",
            "city": "Bloomington",
            "state": "IN",
            "country_code": "US",
            "postal_code": "474089059",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.