Individual provider Active NPI

Maxwell Joseph Wingelaar, MD

  • Ophthalmology Physician
  • Wausau, WI
National Provider Identifier
1477083194
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
72093-20 Issued in WI
Practice address
800 N 1St St
Wausau, WI 54403-4754
Phone
(715) 261-8500
NPI assigned
Jun 14, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 2021009866 MO
Ophthalmology Physician 207W00000X 72093-20 WI Primary

Addresses

Primary practice location

800 N 1St St
Wausau, WI 54403-4754

Mailing address

800 N 1St St
Wausau, WI 54403-4754
Phone (715) 261-8500

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mwingelaar@directaddress.net

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
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
I20230728001787 WI Practitioner - Ophthalmology 7517226129 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Michigan State University College of Human Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Eye Clinic of Wisconsin, S.C.Group PAC ID 9436121829, 22 clinicians

Practice addresses (Care Compare)

800 N 1St St
Wausau, WI 54403-4754
Phone (715) 261-8500

Hospital & facility affiliations

  • Aspirus Wausau Hospital Hospital, Wausau, WI, CCN 520030

Merit-based Incentive Payment System (MIPS)

Final score
92.35 of 100Reported as group
Quality
96.34
Promoting interoperability
100
Improvement activities
40
Cost
78.15

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
72093-20WIMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Eye Clinic of Wisconsin SC Ophthalmology Current Accepting new patients
Eye Clinic of Wisconsin, S.C. Ophthalmology CurrentSince Sep 9, 2023 Accepting new patients
Eye Clinic of Wisconsin, SC Ophthalmology CurrentSince Sep 9, 2023 Accepting new patients
The Retina Institute LLC Ophthalmology PastSince Jul 1, 2021 Accepting new patients
Eye Clinic of Wisconsin, S.C. Ophthalmology Past Accepting new patients

Locations

2 E Ocala St
Rhinelander, WI 54501
Phone (715) 362-2600

3401 Stanley St
Stevens Point, WI 54481
Phone (715) 344-6544

800 N 1st St
Wausau, WI 54403
Phone (715) 261-8500

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
  • Direct secure messaging: mwingelaar@eyeclinicwi.intellechartdirect.net

Organizations & group practices 5

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 10

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": "1497398400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1477083194",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 N 1ST ST",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544034754",
            "telephone_number": "715-261-8500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 N 1ST ST",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544034754",
            "telephone_number": "715-261-8500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WINGELAAR",
        "first_name": "MAXWELL",
        "middle_name": "JOSEPH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-06-14",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MO",
            "license": "2021009866",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "WI",
            "license": "72093-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwingelaar@directaddress.net",
            "affiliation": "N",
            "address_1": "800 N 1st St",
            "city": "Wausau",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544034754",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Wausau, WI

Sources for this page

Verify at the official NPI Registry.