Individual provider Active NPI

Martin Jon Williamson, OD

  • Optometrist
  • La Crosse, WI
National Provider Identifier
1740778646
Registry record updated Aug 31, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
3509 Issued in WI
Practice address
1836 South Ave
La Crosse, WI 54601
Phone
(608) 782-7300
NPI assigned
Apr 25, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 31, 2018

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 3509 WI Primary

Addresses

Primary practice location

1836 South Ave
La Crosse, WI 54601

Mailing address

1836 South Ave
La Crosse, WI 54601-5429
Phone (608) 782-7300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA, WI, MN3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20180910002829 IA Practitioner - Optometry 2567719768 Reassigns benefits to 1 organization
I20180920000262 WI Practitioner - Optometry 2567719768 Reassigns benefits to 6 organizations
I20200902000384 MN Practitioner - Optometry 2567719768 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Optometry
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Gundersen Clinic LTDGroup PAC ID 9638082779, 422 clinicians

Practice addresses (Care Compare)

1830 State Hwy 9
Decorah, IA 52101-7301
Phone (563) 382-3140

610 E Taylor St
PR Du Chien, WI 53821-2109
Phone (608) 326-6466

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery58

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
3509WIMDGeneral Practice Dentistry

Practice roles

OrganizationSpecialtyStatusNew patients
Gundersen Lutheran Express Care, Inc CurrentSince Aug 29, 2018 Accepting new patients
Gundersen Clinic LTD CurrentSince Aug 29, 2018 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Aug 29, 2018 Accepting new patients
Memorial Hospital of Boscobel CurrentSince Sep 24, 2019 Accepting new patients
Moundview Memorial Hospital & Clinics, Inc. CurrentSince Sep 10, 2019 Accepting new patients
St. Joseph'S Health Services, Inc. Current Accepting new patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients
Gundersen Lutheran Medical Center Inc CurrentSince Aug 29, 2018 Accepting new patients
Tri-County Memorial Hospital, Inc. Current Accepting new patients
Moundview Memorial Hospital & Clinics, Inc Current Accepting new patients
Memorial Hospital of Boscobel CurrentSince Sep 24, 2019 Accepting new patients
Tri-County Memorial Hospital, Inc. CurrentSince Sep 24, 2019 Accepting new patients
St. Joseph'S Health Services, Inc. CurrentSince Sep 19, 2019 Accepting new patients
Tri-County Memorial Hospital, Inc. CurrentSince Sep 24, 2019 Accepting new patients
Moundview Memorial Hospital & Clinics, Inc. CurrentSince Sep 10, 2019 Accepting new patients
Gundersen Clinic LTD CurrentSince Aug 29, 2018 Accepting new patients
St. Joseph'S Health Services, Inc. CurrentSince Sep 19, 2019 Accepting new patients
Gundersen Lutheran Medical Center, Inc. Past Accepting new patients
Gundersen Clinic, LTD. Past Accepting new patients

Locations

1830 State Highway 9
Decorah, IA 52101
Phone (563) 382-2639

331 S 3rd St
La Crescent, MN 55947
Phone (507) 895-6610

1122 W Highway 61
Winona, MN 55987
Phone (507) 615-0600

205 Parker St
Boscobel, WI 53805
Phone (608) 375-4112

402 W Lake St
Friendship, WI 53934
Phone (608) 339-3331

1910 South Ave
La Crosse, WI 54601
Phone (608) 775-2287

1836 South Ave
La Crosse, WI 54601
Phone (608) 788-8102

1836 South Ave
#301
La Crosse, WI 54601

1600 Main St
Onalaska, WI 54650
Phone (608) 783-4681

610 E Taylor St
Prairie du Chien, WI 53821
Phone (608) 326-6466

1111 W Wisconsin St
Sparta, WI 54656
Phone (608) 263-9531

505 Gopher Dr
Tomah, WI 54660
Phone (608) 372-2181

407 S Main St
Ste 103
Viroqua, WI 54665

18601 Lincoln St
Whitehall, WI 54773
Phone (715) 538-1712

Interoperability endpoints

  • Direct secure messaging: mwilliamson290257@direct.emplifyhealth.org

Organizations & group practices 19

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.

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1524614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1535673600000",
    "number": "1740778646",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1836 SOUTH AVE",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546015429",
            "telephone_number": "608-782-7300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1836 SOUTH AVE",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "54601",
            "telephone_number": "608-782-7300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "MARTIN",
        "middle_name": "JON",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-25",
        "last_updated": "2018-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "WI",
            "license": "3509",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Crosse, WI

Sources for this page

Verify at the official NPI Registry.