Dr Marc L Wiener, MD - Medicare Internal Medicine in Carol Stream, IL

Dr Marc L Wiener, MD is a medicare enrolled "Internal Medicine" physician in Carol Stream, Illinois. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1986 and has 38 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 27w170 Saint Charles Rd, Carol Stream, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 562-9100.

Dr Marc L Wiener is licensed to practice in Illinois (license number 036076864) 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 1861435927.

Contact Information

Dr Marc L Wiener, MD
27w170 Saint Charles Rd,
Carol Stream, IL 60188-1935
(630) 562-9100
(630) 562-9172

Map and Direction




Physician's Profile

Full NameDr Marc L Wiener
GenderMale
SpecialityInternal Medicine
Experience38 Years
Location27w170 Saint Charles Rd, Carol Stream, Illinois
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:
  • Dr Marc L Wiener attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1986
  NPI Data:
  • NPI Number: 1861435927
  • Provider Enumeration Date: 06/14/2006
  • Last Update Date: 02/19/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 8022107739
  • Enrollment ID: I20071204000134

Medical Identifiers

Medical identifiers for Dr Marc L Wiener such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861435927NPI-NPPES
002220114OtherILBCBS NUMBER
056076864MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 036076864 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Central Dupage HospitalWinfield, ILHospital

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 Marc L Wiener allows following entities to bill medicare on his behalf.
Entity NameA & M Internal Medicine Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356558373
PECOS PAC ID: 4183713894
Enrollment ID: O20071204000157

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 Marc L Wiener 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 Marc L Wiener, MD
27w170 Saint Charles Rd,
Carol Stream, IL 60188-1935

Ph: (630) 562-9100
Dr Marc L Wiener, MD
27w170 Saint Charles Rd,
Carol Stream, IL 60188-1935

Ph: (630) 562-9100

Reviews and Comments


Internal Medicine Doctors in Carol Stream, IL

Evelyn Diaz-jimenez, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 575 Thornhill Dr, Carol Stream, IL 60188
Phone: 630-480-0226    Fax: 630-868-3127
Joseph Anthony Lagattuta Jr., MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 630 E North Ave Dept Of, Carol Stream, IL 60188
Phone: 630-458-5300    Fax: 630-307-2751
Angelo Miele, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 501 Thornhill Dr, Carol Stream, IL 60188
Phone: 630-668-3210    Fax: 630-668-3505
Nausheen Hasan, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 560 Belmont Ln, Carol Stream, IL 60188
Phone: 630-682-1950    Fax: 630-682-1960
Asad Rafiq, MD
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 630 E North Ave Dept Of, Carol Stream, IL 60188
Phone: 630-458-5300    
Mark Richard Bednard, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 501 Thornhill Dr, Carol Stream, IL 60188
Phone: 630-668-3210    
Joaquin Heng, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 501 Thornhill Dr, Carol Stream, IL 60188
Phone: 630-668-3210    Fax: 630-315-1339

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.