Ivan B Schaller, MD - Medicare Internal Medicine in Wausau, WI

Ivan B Schaller, MD is a medicare enrolled "Internal Medicine" physician in Wausau, Wisconsin. His current practice location is 2727 Plaza Dr, Wausau, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (715) 847-3000.

Ivan B Schaller is licensed to practice in Wisconsin (license number 28071) 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 1306967849.

Contact Information

Ivan B Schaller, MD
2727 Plaza Dr,
Wausau, WI 54401-4129
(715) 847-3000
Not Available

Map and Direction




Physician's Profile

Full NameIvan B Schaller
GenderMale
SpecialityInternal Medicine
Location2727 Plaza Dr, Wausau, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1306967849
  • Provider Enumeration Date: 04/03/2007
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5890820500
  • Enrollment ID: I20100618000754

Medical Identifiers

Medical identifiers for Ivan B Schaller such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306967849NPI-NPPES
30772100MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 28071 (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. Ivan B Schaller allows following entities to bill medicare on his behalf.
Entity NameMarshfield Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952347981
PECOS PAC ID: 2264345206
Enrollment ID: O20031106000590
Entity NameMchs Hospitals Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093221434
PECOS PAC ID: 5698071173
Enrollment ID: O20180208000096

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. Ivan B Schaller 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
Ivan B Schaller, MD
1000 N Oak Ave,
Marshfield, WI 54449-5703

Ph: (715) 387-5511
Ivan B Schaller, MD
2727 Plaza Dr,
Wausau, WI 54401-4129

Ph: (715) 847-3000

Reviews and Comments


Internal Medicine Doctors in Wausau, WI

Dale B Anderson, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2727 Plaza Drive, Wausau, WI 54401
Phone: 715-847-3269    
Daljeet Rishi, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 333 , Pine Ridge Blvd, Wausau, WI 54401
Phone: 715-847-2121    
Dr. Samer Jabbour, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 500 Wind Ridge Dr., Wausau, WI 54401
Phone: 715-847-2611    Fax: 715-847-2612
Melinda Rae Wayde, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 411 Westwood Dr, Wausau, WI 54401
Phone: 715-847-2558    Fax: 715-261-6452
Thomas G Schneider, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3000 Westhill Dr, Suite 303, Wausau, WI 54401
Phone: 715-847-2304    
John E Carroll Jr., MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2720 Plaza Dr, Suite 1400, Wausau, WI 54401
Phone: 715-847-2004    
Dr. Jan Z Ciejka, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2720 Plaza Dr Ste 1400a, Wausau, WI 54401
Phone: 715-847-0426    Fax: 715-847-0478

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.