Individual provider Active NPI

Jeffrey D Klak, DO

  • Family Medicine Physician
  • Fishers, IN
National Provider Identifier
1134568991
Registry record updated Aug 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
02004845A Issued in IN
Practice address
11100 USA Pkwy Ste 1100
Fishers, IN 46037-9205
Phone
(317) 678-3850
Fax
(317) 968-1142
NPI assigned
Jun 14, 2013
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 8, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 11017330A IN
Family Medicine Physician 207Q00000X 02004845A IN Primary

Addresses

Primary practice location

11100 USA Pkwy Ste 1100
Fishers, IN 46037-9205

Mailing address

PO Box 869
Noblesville, IN 46061-0869
Phone (317) 770-6900

Other practice location 1

510 E State Road 32
Suite A
Westfield, IN 46074-8767
Phone (317) 867-5263

Other identifiers 1

IdentifierTypeStateIssuer
201170530MedicaidIN

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jklak@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
I20160818000108 IN Practitioner - Family Practice 4981844933 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
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

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

Merit-based Incentive Payment System (MIPS)

Final score
93.78 of 100Reported as apm
Quality
80.38
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
02004845AINMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Indiana University Health Care Associates, Inc CurrentSince Dec 1, 2024 Accepting new patients
Riverview Hospital CurrentSince Sep 11, 2016 Accepting new patients
Iu Health Medical Group, LLC CurrentSince Jul 1, 2025 Accepting new patients
Riverview Hospital Family Medicine CurrentSince Sep 11, 2016 Accepting new patients

Locations

5208 Reliable Pkwy
Chicago, IL 60686

11700 N Meridian St
Carmel, IN 46032
Phone (317) 688-2000

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

11100 USA Pkwy
Ste 1100
Fishers, IN 46037
Phone (317) 678-3850

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

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

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

865 Westfield Rd
Noblesville, IN 46062
Phone (317) 770-1700

395 Westfield Rd
Noblesville, IN 46060
Phone (317) 218-3136

510 E State Road 32
Ste A
Westfield, IN 46074
Phone (317) 867-3365

Interoperability endpoints

  • Direct secure messaging: jklak@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 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": "1371168000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754611200000",
    "number": "1134568991",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 869",
            "city": "NOBLESVILLE",
            "state": "IN",
            "postal_code": "460610869",
            "telephone_number": "317-770-6900",
            "fax_number": "317-770-6911"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11100 USA PKWY STE 1100",
            "city": "FISHERS",
            "state": "IN",
            "postal_code": "460379205",
            "telephone_number": "317-678-3850",
            "fax_number": "317-968-1142"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "510 E State Road 32",
            "address_2": "Suite A",
            "address_purpose": "LOCATION",
            "city": "Westfield",
            "state": "IN",
            "postal_code": "460748767",
            "country_code": "US",
            "telephone_number": "317-867-5263",
            "fax_number": "317-867-2031",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLAK",
        "first_name": "JEFFREY",
        "middle_name": "D",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-06-14",
        "last_updated": "2025-08-08",
        "certification_date": "2025-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IN",
            "license": "11017330A",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IN",
            "license": "02004845A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "201170530",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jklak@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "11100 USA Pkwy Ste 1100",
            "city": "Fishers",
            "state": "IN",
            "country_code": "US",
            "postal_code": "460379205",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Fishers, IN

Sources for this page

Verify at the official NPI Registry.