Dr Dheeraj Mahajan, MD - Medicare Internal Medicine in Melrose Park, IL

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Dr Dheeraj Mahajan, MD is a medicare enrolled "Internal Medicine" physician in Melrose Park, Illinois. He graduated from medical school in 1997 and has 27 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Cimpar Sc and his current practice location is 675 W North Ave, Suite 606, Melrose Park, Illinois. You can reach out to his office (for appointments etc.) via phone at (708) 681-7877.

Dr Dheeraj Mahajan is licensed to practice in Illinois (license number 036106392) 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 1831133693.

Contact Information

Dr Dheeraj Mahajan, MD
675 W North Ave, Suite 606,
Melrose Park, IL 60160-1634
(708) 681-7877
(800) 801-6284

Map and Direction




Physician's Profile

Full NameDr Dheeraj Mahajan
GenderMale
SpecialityInternal Medicine
Experience27 Years
Location675 W North Ave, Melrose Park, 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 Dheeraj Mahajan graduated from medical school in 1997
  NPI Data:
  • NPI Number: 1831133693
  • Provider Enumeration Date: 06/15/2006
  • Last Update Date: 01/12/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 3779476197
  • Enrollment ID: I20040207000226

Medical Identifiers

Medical identifiers for Dr Dheeraj Mahajan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831133693NPI-NPPES
036106392MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 036106392 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Amita Health Resurrection Medical CenterChicago, ILHospital
Ascension Casa ScalabriniNorthlake, ILNursing home
Paul House & Health Cr CtrChicago, ILNursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cimpar Sc357757879834

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 Dheeraj Mahajan allows following entities to bill medicare on his behalf.
Entity NameAdvocate Health And Hospitals Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700824455
PECOS PAC ID: 7810800935
Enrollment ID: O20031106000064
Entity NameCimpar Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467496224
PECOS PAC ID: 3577578798
Enrollment ID: O20060209000192
Entity NameCimpar Consulting, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861713216
PECOS PAC ID: 6507052370
Enrollment ID: O20101119000446
Entity NameInsight Chicago Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881261006
PECOS PAC ID: 2860894706
Enrollment ID: O20210714002059

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 Dheeraj Mahajan 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 Dheeraj Mahajan, MD
675 W North Ave, Suite 606,
Melrose Park, IL 60160-1634

Ph: (708) 681-7877		Dr Dheeraj Mahajan, MD
675 W North Ave, Suite 606,
Melrose Park, IL 60160-1634

Ph: (708) 681-7877

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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