Mazen Bassam Omar, MD - Medicare Psychiatry & Neurology in Downers Grove, IL

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Mazen Bassam Omar, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Downers Grove, Illinois. His current practice location is 1431 Opus Pl Ste 110, Downers Grove, Illinois. You can reach out to his office (for appointments etc.) via phone at (888) 279-0002.

Mazen Bassam Omar is licensed to practice in Illinois (license number 036.165907) 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 1114488467.

Contact Information

Mazen Bassam Omar, MD
1431 Opus Pl Ste 110,
Downers Grove, IL 60515-1164
(888) 279-0002
(833) 638-0302

Map and Direction




Physician's Profile

Full NameMazen Bassam Omar
GenderMale
SpecialityPsychiatry & Neurology - Psychiatry
Location1431 Opus Pl Ste 110, Downers Grove, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1114488467
  • Provider Enumeration Date: 03/28/2019
  • Last Update Date: 01/08/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 1456783737
  • Enrollment ID: I20221025003069

Medical Identifiers

Medical identifiers for Mazen Bassam Omar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114488467NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 317497 (North Carolina)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry MD.41948 (Alabama)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry 036.165907 (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. Mazen Bassam Omar allows following entities to bill medicare on his behalf.
Entity NameAltapointe Health Systems Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518095413
PECOS PAC ID: 1052224052
Enrollment ID: O20040206000701

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. Mazen Bassam Omar 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
Mazen Bassam Omar, MD
1431 Opus Pl Ste 110,
Downers Grove, IL 60515-1164

Ph: (888) 279-0002		Mazen Bassam Omar, MD
1431 Opus Pl Ste 110,
Downers Grove, IL 60515-1164

Ph: (888) 279-0002

Reviews and Comments


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Phone: 630-408-6992    

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.

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