Dr Charles E Clark, MD - Medicare Family Medicine in Onalaska, WI

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Dr Charles E Clark, MD is a medicare enrolled "Family Medicine" physician in Onalaska, Wisconsin. His current practice location is 3111 Gundersen Dr, Onalaska, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (608) 775-8100.

Dr Charles E Clark is licensed to practice in Wisconsin (license number 51554) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1689713018.

Contact Information

Dr Charles E Clark, MD
3111 Gundersen Dr,
Onalaska, WI 54650-8447
(608) 775-8100
Not Available

Map and Direction




Physician's Profile

Full NameDr Charles E Clark
GenderMale
SpecialityFamily Medicine
Location3111 Gundersen Dr, Onalaska, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1689713018
  • Provider Enumeration Date: 02/05/2007
  • Last Update Date: 02/03/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 7214009943
  • Enrollment ID: I20080711000430

Medical Identifiers

Medical identifiers for Dr Charles E Clark such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689713018NPI-NPPES
Q4886MedicaidNM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 96180 (New Mexico)Secondary
207Q00000XFamily Medicine 51554 (Wisconsin)Primary

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. Dr Charles E Clark allows following entities to bill medicare on his behalf.
Entity NameGundersen Clinic Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851343115
PECOS PAC ID: 9638082779
Enrollment ID: O20031106000139
Entity NameGundersen Lutheran Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376593442
PECOS PAC ID: 2163331414
Enrollment ID: O20130619000254

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. Dr Charles E Clark 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
Dr Charles E Clark, MD
1836 South Ave,
La Crosse, WI 54601-5429

Ph: (608) 782-7300		Dr Charles E Clark, MD
3111 Gundersen Dr,
Onalaska, WI 54650-8447

Ph: (608) 775-8100

Reviews and Comments


Family Medicine Doctors in Onalaska, WI

Jennifer P Althoff, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 191 Theater Rd, Onalaska, WI 54650
Phone: 608-392-5000    Fax: 608-392-5888
Craig S Bennett, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 191 Theater Rd, Onalaska, WI 54650
Phone: 608-392-5000    
Devin S Wenrich, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3111 Gundersen Dr, Onalaska, WI 54650
Phone: 608-775-8151    
Allen F Schawe, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 191 Theatre Rd, Onalaska, WI 54650
Phone: 608-392-5000    
Emily Marie Guerber, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 191 Theater Rd, Onalaska, WI 54650
Phone: 608-392-5000    
Markus A Eckstein,
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 3111 Gundersen Dr, Onalaska, WI 54650
Phone: 608-775-8100    
Alyssa Diane Polk, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 191 Theater Rd, Onalaska, WI 54650
Phone: 608-785-0940    

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.