Mark S Skier, MD - Medicare Internal Medicine in Bayview, WI

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Mark S Skier, MD is a medicare enrolled "Internal Medicine" physician in Bayview, Wisconsin. He went to Albert Einstein College Of Medicine Of Yeshiva University and graduated in 1991 and has 35 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Aamg Reach Pllc, Aurora Advanced Healthcare, Inc. and his current practice location is 3119 S Clement Ave, Bayview, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (414) 486-1900.

Mark S Skier is licensed to practice in Wisconsin (license number 34018) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1346234812.

Contact Information

Mark S Skier, MD
3119 S Clement Ave,
Bayview, WI 53207-2835
(414) 486-1900
(414) 486-4148

Map and Direction




Physician's Profile

Full NameMark S Skier
GenderMale
SpecialityInternal Medicine
Experience35 Years
Location3119 S Clement Ave, Bayview, Wisconsin
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark S Skier attended and graduated from Albert Einstein College Of Medicine Of Yeshiva University in 1991
  NPI Data:
  • NPI Number: 1346234812
  • Provider Enumeration Date: 09/09/2005
  • Last Update Date: 06/26/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3971416652
  • Enrollment ID: I20080930000737

Medical Identifiers

Medical identifiers for Mark S Skier such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346234812NPI-NPPES
32030400MedicaidWI
P00639728OtherWIRR MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 34018 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Aurora At HomeMilwaukee, WIHome health agency
Aurora At HomeWauwatosa, WIHospice
Aurora St Lukes Medical CenterMilwaukee, WIHospital
West Allis Memorial HospitalWest allis, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Aamg Reach Pllc559713326456
Aurora Advanced Healthcare, Inc.33756258331095

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. Mark S Skier allows following entities to bill medicare on his behalf.
Entity NameAurora Advanced Healthcare, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265629133
PECOS PAC ID: 3375625833
Enrollment ID: O20080123000694
Entity NameAamg Reach Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609502707
PECOS PAC ID: 5597133264
Enrollment ID: O20221216002458

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. Mark S Skier 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
Mark S Skier, MD
Po Box 735044,
Chicago, IL 60673-5044

Ph: (800) 326-2250		Mark S Skier, MD
3119 S Clement Ave,
Bayview, WI 53207-2835

Ph: (414) 486-1900

Reviews and Comments


Internal Medicine Doctors in Bayview, WI

Thomas R. Brand, M.D.
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 3119 S Clement Ave, Bayview, WI 53207
Phone: 414-486-1900    Fax: 414-486-4148

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.