Individual provider Active NPI

Robert William Wierenga, MD

  • Emergency Medicine Physician
  • Kalamazoo, MI
National Provider Identifier
1881856888
Registry record updated Mar 11, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
4301092580 Issued in MI
Practice address
125 S Kalamazoo Mall Ste 204
Kalamazoo, MI 49007-4869
Phone
(269) 343-3900
NPI assigned
Jun 30, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 11, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 4301092580 MI Primary

Addresses

Primary practice location

125 S Kalamazoo Mall Ste 204
Kalamazoo, MI 49007-4869

Mailing address

250 N Shadeland Ave
Indianapolis, IN 46219-4959

Other practice location 1

13000 E 136th St
Fishers, IN 46037-9478
Phone (317) 678-2273

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address rwierenga@direct.iuhealth.org

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
I20181221001676 IN Practitioner - Emergency Medicine 7214105899 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Wayne State University School of Medicine, 2008
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
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Iu Health Medical Group, LLC CurrentSince Jul 1, 2025 Accepting new patients
Indiana University Health Care Associates, Inc CurrentSince Jan 1, 2019 Accepting new patients
Cep America LLC Emergency Medicine Current Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Feb 1, 2025 Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Feb 1, 2025 Accepting new patients
Bronson Methodist Hospital Past Accepting new patients

Locations

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

5208 Reliable Pkwy
Chicago, IL 60686

10580 N Meridian St
Carmel, IN 46290
Phone (317) 338-2273

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

13000 E 136th St
Fishers, IN 46037
Phone (317) 678-2000

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

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

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

1606 N 7th St
Terre Haute, IN 47804
Phone (812) 238-7523

555 Linn St
Allegan, MI 49010
Phone (269) 673-8424

Interoperability endpoints

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

Organizations & group practices 6

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": "1214784000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1615420800000",
    "number": "1881856888",
    "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": "125 S KALAMAZOO MALL STE 204",
            "city": "KALAMAZOO",
            "state": "MI",
            "postal_code": "490074869",
            "telephone_number": "269-343-3900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13000 E 136th St",
            "address_purpose": "LOCATION",
            "city": "Fishers",
            "state": "IN",
            "postal_code": "460379478",
            "country_code": "US",
            "telephone_number": "317-678-2273",
            "fax_number": "317-678-1325",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WIERENGA",
        "first_name": "ROBERT",
        "middle_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-30",
        "last_updated": "2021-03-11",
        "certification_date": "2021-03-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MI",
            "license": "4301092580",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rwierenga@direct.iuhealth.org",
            "affiliation": "N",
            "address_1": "13000 E 136th St",
            "city": "Fishers",
            "state": "IN",
            "country_code": "US",
            "postal_code": "460379478",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Kalamazoo, MI

Sources for this page

Verify at the official NPI Registry.