Usman Zaheer, DO - Medicare Internal Medicine in Romeoville, IL

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Usman Zaheer, DO is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Romeoville, Illinois. His current practice location is 500 S Weber Rd, Romeoville, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 773-7732.

Usman Zaheer is licensed to practice in Illinois (license number 036170030) 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 1104319383.

Contact Information

Usman Zaheer, DO
500 S Weber Rd,
Romeoville, IL 60446-6528
(815) 773-7732
Not Available

Map and Direction




Physician's Profile

Full NameUsman Zaheer
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location500 S Weber Rd, Romeoville, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1104319383
  • Provider Enumeration Date: 06/12/2018
  • Last Update Date: 07/10/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0446583108
  • Enrollment ID: I20240724000456

Medical Identifiers

Medical identifiers for Usman Zaheer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104319383NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 036170030 (Illinois)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. Usman Zaheer allows following entities to bill medicare on his behalf.
Entity NameBonaventure Medical Foundation Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588775647
PECOS PAC ID: 7517863178
Enrollment ID: O20031212000374

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. Usman Zaheer 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
Usman Zaheer, DO
500 S Weber Rd,
Romeoville, IL 60446-6528

Ph: (815) 773-7732		Usman Zaheer, DO
500 S Weber Rd,
Romeoville, IL 60446-6528

Ph: (815) 773-7732

Reviews and Comments


Internal Medicine Doctors in Romeoville, IL

Dr. Kelechi Emuchay, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 1950 Southport Ct, Romeoville, IL 60446
Phone: 312-231-4372    
Dr. Doris Okafor, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 500 S Weber Rd, Romeoville, IL 60446
Phone: 630-856-8620    
Claudia Vera, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 500 S Weber Rd, Romeoville, IL 60446
Phone: 630-856-8620    

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.