Mr Gregory G Markarian, MD - Medicare Orthopaedic Surgery in Chicago, IL

Mr Gregory G Markarian, MD is a medicare enrolled "Orthopaedic Surgery - Sports Medicine" physician in Chicago, Illinois. His current practice location is 33 W Delaware Pl, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 255-7540.

Mr Gregory G Markarian is licensed to practice in Illinois (license number 036091945) 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 1194897124.

Contact Information

Mr Gregory G Markarian, MD
33 W Delaware Pl,
Chicago, IL 60610
(312) 255-7540
(312) 255-1276

Map and Direction




Physician's Profile

Full NameMr Gregory G Markarian
GenderMale
SpecialityOrthopaedic Surgery - Sports Medicine
Location33 W Delaware Pl, Chicago, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1194897124
  • Provider Enumeration Date: 11/14/2006
  • Last Update Date: 01/18/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0244207900
  • Enrollment ID: I20071108000266

Medical Identifiers

Medical identifiers for Mr Gregory G Markarian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194897124NPI-NPPES
209734OtherILMEDICARE PTAN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207XX0005XOrthopaedic Surgery - Sports Medicine 036091945 (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. Mr Gregory G Markarian allows following entities to bill medicare on his behalf.
Entity NameOrthopedic Associates Of Naperville Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699892794
PECOS PAC ID: 9537136296
Enrollment ID: O20040913000587

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. Mr Gregory G Markarian 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
Mr Gregory G Markarian, MD
33 W Delaware Pl,
Chicago, IL 60610

Ph: (312) 255-7540
Mr Gregory G Markarian, MD
33 W Delaware Pl,
Chicago, IL 60610

Ph: (312) 255-7540

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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