Dr Sameer Mirza Mazhar, MD - Medicare Gastroenterology in Aurora, IL

Dr Sameer Mirza Mazhar, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Aurora, Illinois. He went to Northwestern University Feinberg Medical School and graduated in 2002 and has 22 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Northwestern Medical Faculty Foundation and his current practice location is 1221 N Highland Ave, Aurora, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 859-8700.

Dr Sameer Mirza Mazhar is licensed to practice in Illinois (license number 036-114152) 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 1497932461.

Contact Information

Dr Sameer Mirza Mazhar, MD
1221 N Highland Ave,
Aurora, IL 60506-1404
(630) 859-8700
Not Available

Map and Direction




Physician's Profile

Full NameDr Sameer Mirza Mazhar
GenderMale
SpecialityGastroenterology
Experience22 Years
Location1221 N Highland Ave, Aurora, 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 Sameer Mirza Mazhar attended and graduated from Northwestern University Feinberg Medical School in 2002
  NPI Data:
  • NPI Number: 1497932461
  • Provider Enumeration Date: 01/22/2008
  • Last Update Date: 11/18/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1153337142
  • Enrollment ID: I20060228000737

Medical Identifiers

Medical identifiers for Dr Sameer Mirza Mazhar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497932461NPI-NPPES
036-114152MedicaidIL
04515143OtherILBCBS#

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 95975 (California)Secondary
207RG0100XInternal Medicine - Gastroenterology 036-114152 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Central Dupage HospitalWinfield, ILHospital
Delnor Community HospitalGeneva, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northwestern Medical Faculty Foundation45875768143255

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 Sameer Mirza Mazhar allows following entities to bill medicare on his behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541
Entity NameCentral Dupage Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033149844
PECOS PAC ID: 5890696231
Enrollment ID: O20040303000601

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 Sameer Mirza Mazhar 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 Sameer Mirza Mazhar, MD
2357 Sequoia Dr,
Aurora, IL 60506-6222

Ph: (630) 859-6800
Dr Sameer Mirza Mazhar, MD
1221 N Highland Ave,
Aurora, IL 60506-1404

Ph: (630) 859-8700

Reviews and Comments


Internal Medicine Doctors in Aurora, IL

Dr. Simi Susan Rodney, M.D
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Dr. Nidhi Tiwari, M.D.
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Priyadarshini Verma, M.D.
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Phone: 630-859-6700    
Dr. Ravi K Prakash, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1221 N Highland Ave, Aurora, IL 60506
Phone: 630-859-8700    

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.