Nadiia Marenych, MD - Medicare in Lake Geneva, WI

Nadiia Marenych, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Lake Geneva, Wisconsin. Her current practice location is 146 E Geneva Sq, Lake Geneva, Wisconsin. You can reach out to her office (for appointments etc.) via phone at (262) 249-5000.

Nadiia Marenych is licensed to practice in Wisconsin (license number 23048-875) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1235668831.

Contact Information

Nadiia Marenych, MD
146 E Geneva Sq,
Lake Geneva, WI 53147-9694
(262) 249-5000
Not Available

Map and Direction




Physician's Profile

Full NameNadiia Marenych
GenderFemale
Speciality
Experience Years
Location146 E Geneva Sq, Lake Geneva, Wisconsin
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Nadiia Marenych attended and graduated from in
  NPI Data:
  • NPI Number: 1235668831
  • Provider Enumeration Date: 06/07/2017
  • Last Update Date: 06/26/2023
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Nadiia Marenych such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235668831NPI-NPPES
100214900MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 036.151695 (Illinois)Secondary
207R00000XInternal Medicine 125070812 (Illinois)Secondary
208M00000XHospitalist 036.151695 (Illinois)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 23048-875 (Wisconsin)Primary

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. Nadiia Marenych 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
Nadiia Marenych, MD
3301 W Forest Home Ave,
Milwaukee, WI 53215-2843

Ph: () -
Nadiia Marenych, MD
146 E Geneva Sq,
Lake Geneva, WI 53147-9694

Ph: (262) 249-5000

Reviews and Comments


Internal Medicine Doctors in Lake Geneva, WI

Dr. Brian Jay Silverstein, MD
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: W3329 Burr Oak Dr, Lake Geneva, WI 53147
Phone: 847-271-9609    
Dr. Nestor C Alabarca, MD
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 146 E Geneva Square, Lake Geneva, WI 53147
Phone: 262-249-5000    Fax: 262-249-7142
William Tillis,
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: N2950 State Road 67, Lake Geneva, WI 53147
Phone: 262-245-0535    Fax: 262-245-2248
Shashi Bhushan, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 146 E Geneva Sq, Lake Geneva, WI 53147
Phone: 262-549-5000    
Timothy J Thompson, MD
Endocrinology, Diabetes & Metabolism
Medicare: Medicare Enrolled
Practice Location: N2950 State Road 67, Lake Geneva, WI 53147
Phone: 262-245-0535    Fax: 262-245-2248
Dr. Garth R Schneider, MD
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 146 E Geneva Square, Lake Geneva, WI 53147
Phone: 262-249-5000    Fax: 262-249-7107

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.