Mark L Mackey, MD - Medicare Emergency Medicine in Chicago, IL

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Mark L Mackey, MD is a medicare enrolled "Emergency Medicine" physician in Chicago, Illinois. His current practice location is 1740 W Taylor St, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (866) 600-2273.

Mark L Mackey is licensed to practice in Illinois (license number 036066882) 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 1437258548.

Contact Information

Mark L Mackey, MD
1740 W Taylor St,
Chicago, IL 60612-7232
(866) 600-2273
Not Available

Map and Direction




Physician's Profile

Full NameMark L Mackey
GenderMale
SpecialityEmergency Medicine
Location1740 W Taylor St, Chicago, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1437258548
  • Provider Enumeration Date: 09/22/2006
  • Last Update Date: 12/30/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 5991707820
  • Enrollment ID: I20070206000639

Medical Identifiers

Medical identifiers for Mark L Mackey such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437258548NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 036066882 (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. Mark L Mackey allows following entities to bill medicare on his behalf.
Entity NameDupage Medical Group Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801833983
PECOS PAC ID: 5496667941
Enrollment ID: O20031110000535
Entity NameThe Board Of Trustees Of The University Of Illinois
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386863819
PECOS PAC ID: 3072422716
Enrollment ID: O20031112000158
Entity NameMea Chicago Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891216354
PECOS PAC ID: 7012281223
Enrollment ID: O20170926002920

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 L Mackey 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 L Mackey, MD
808 S Wood St, 471h Cme, Mc 724,
Chicago, IL 60612-7300

Ph: (312) 413-3008		Mark L Mackey, MD
1740 W Taylor St,
Chicago, IL 60612-7232

Ph: (866) 600-2273

Reviews and Comments


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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).

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