Martin Jon Williamson, OD - Medicare Optometrist in La Crosse, WI

Martin Jon Williamson, OD is a medicare enrolled "Optometrist" provider in La Crosse, Wisconsin. He graduated from medical school in 2018 and has 6 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Gundersen Clinic Ltd, Gundersen Clinic Ltd and his current practice location is 1836 South Ave, La Crosse, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (608) 782-7300.

Martin Jon Williamson is licensed to practice in Wisconsin (license number 3509) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1740778646.

Contact Information

Martin Jon Williamson, OD
1836 South Ave,
La Crosse, WI 54601
(608) 782-7300
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameMartin Jon Williamson
GenderMale
SpecialityOptometry
Experience6 Years
Location1836 South Ave, La Crosse, Wisconsin
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Martin Jon Williamson graduated from medical school in 2018
  NPI Data:
  • NPI Number: 1740778646
  • Provider Enumeration Date: 04/25/2018
  • Last Update Date: 08/31/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 2567719768
  • Enrollment ID: I20180910002829

Medical Identifiers

Medical identifiers for Martin Jon Williamson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740778646NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 3509 (Wisconsin)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Gundersen Clinic Ltd9638082779325
Gundersen Clinic Ltd9638082779325

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Martin Jon Williamson allows following entities to bill medicare on his behalf.
Provider NameGundersen Clinic Ltd
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1851343115
PECOS PAC ID: 9638082779
Enrollment ID: O20040130000561

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Martin Jon Williamson is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Martin Jon Williamson, OD
1836 South Ave,
La Crosse, WI 54601-5429

Ph: (608) 782-7300
Martin Jon Williamson, OD
1836 South Ave,
La Crosse, WI 54601

Ph: (608) 782-7300

Reviews and Comments


Optometrist in La Crosse, WI

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Phone: 608-782-7127    Fax: 608-782-7124
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Phone: 608-788-4300    Fax: 608-788-4325

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.