Mathew Bryan Mergenthaler, O.D.

Primary specialty

OptometristTaxonomy code 152W00000X

License

3359 Issued in WI

Practice address

671 S Gibson St
Medford, WI 54451-1631

Phone

(608) 790-5851

NPI assigned

May 20, 2014

Last updated

Jan 7, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WI, MN2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Optometry

Education

Illinois College of Optometry at Chicago, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Healthview Eye Care Center, SCGroup PAC ID 5890769368, 5 clinicians

Shoptikal LLCGroup PAC ID 1456684471, 192 clinicians

Healthview Eye Care Center-Medford SCGroup PAC ID 7810961471, 6 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

99.67 of 100Reported as group

Quality

90.74

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

90.17 of 100Reported as group

Quality

80.34

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Healthview Eye Care Center-Medford SC

  dba HealthView Eye Care Center-Medford

  • Optometrist
  • Medford, WI
  • NPI 1164492872
  Medicare reassignment Care Compare group NPD
• Healthview Eye Care Centers, SC

  • Optometrist
  • Colby, WI
  • NPI 1588634208
  Medicare reassignment Care Compare group NPD
• Shoptikal LLC

  dba Shopko Optical 4002

  • Eyewear Supplier
  • Green Bay, WI
  • NPI 1659937159

  Optometrist

  Medicare reassignment Care Compare group NPD
• Shoptikal LLC

  dba Shopko Optical 4017

  • Eyewear Supplier
  • Saint Cloud, MN
  • NPI 1942866371
  Medicare reassignment
• Mergenthaler Eye Care, LLC

  • Optometrist
  • Eau Claire, WI
  • NPI 1760877575
  Authorized official Same address or phone
• Shoptikal LLC

  dba Shopko Optical 4100

  • Eyewear Supplier
  • Neenah, WI
  • NPI 1982260378

  Optometrist

  NPD
• Shoptikal LLC

  dba Fielmann Vision Care 4313

  • Eyewear Supplier
  • Rockford, IL
  • NPI 1467311142

  Optometrist

  NPD
• Shoptikal LLC

  dba Shopko Optical 4253

  • Eyewear Supplier
  • Faribault, MN
  • NPI 1790459063

  Optometrist

  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1400544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1568874907",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "671 S GIBSON ST",
            "city": "MEDFORD",
            "state": "WI",
            "postal_code": "544511631",
            "telephone_number": "608-790-5851",
            "fax_number": "715-748-4565"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "671 S GIBSON ST",
            "city": "MEDFORD",
            "state": "WI",
            "postal_code": "544511631",
            "telephone_number": "608-790-5851"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERGENTHALER",
        "first_name": "MATHEW",
        "middle_name": "BRYAN",
        "name_prefix": "Dr.",
        "credential": "O.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-05-20",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "WI",
            "license": "3359",
            "primary": true
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "IA",
            "license": "073539",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100039841",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jessica Meier
• Betsy L Meinel, O.D.
• Memorial Health Center
• Memorial Health Center, Inc.
• Emily Mercier, RN
• Susan O Messerly, DO
• Metro Chiropractic Clinic, S.C. (Medford Chiropractic Center)
• Makayla Lisa Meyer-Moser, FNP-BC
• Debra Kay Miller, MSOM LAC
• Marjorie S. Miller, M.D.

• Optometrist in Medford, WI
• Providers in Medford, WI by specialty
• Optometrist in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.