Dr Tharani Rajeswaran, MD - Medicare Endocrinology in Aurora, IL

Dr Tharani Rajeswaran, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Aurora, Illinois. She graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice Advocate Health And Hospitals Corporation and her current practice location is 4100 Healthway Dr, Aurora, Illinois. You can reach out to her office (for appointments etc.) via phone at (630) 851-3105.

Dr Tharani Rajeswaran is licensed to practice in Illinois (license number 036.153688) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1861806440.

Contact Information

Dr Tharani Rajeswaran, MD
4100 Healthway Dr,
Aurora, IL 60504-4163
(630) 851-3105
(630) 978-6690

Map and Direction




Physician's Profile

Full NameDr Tharani Rajeswaran
GenderFemale
SpecialityEndocrinology
Experience10 Years
Location4100 Healthway Dr, Aurora, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Tharani Rajeswaran graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1861806440
  • Provider Enumeration Date: 06/11/2014
  • Last Update Date: 11/18/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5092085704
  • Enrollment ID: I20201106000271

Medical Identifiers

Medical identifiers for Dr Tharani Rajeswaran such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861806440NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism MD16636 (Rhode Island)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 036.153688 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Advocate Christ Hospital & Medical CenterOak lawn, ILHospital
Advocate Sherman HospitalElgin, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Advocate Health And Hospitals Corporation78108009352484

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 Tharani Rajeswaran allows following entities to bill medicare on her behalf.
Entity NameAdvocate Health And Hospitals Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003542184
PECOS PAC ID: 7810800935
Enrollment ID: O20220930002728

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 Tharani Rajeswaran 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 Tharani Rajeswaran, MD
4100 Healthway Dr,
Aurora, IL 60504-4163

Ph: (630) 851-3105
Dr Tharani Rajeswaran, MD
4100 Healthway Dr,
Aurora, IL 60504-4163

Ph: (630) 851-3105

Reviews and Comments


Internal Medicine Doctors in Aurora, IL

Dr. Simi Susan Rodney, M.D
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Dr. Ravi K Prakash, M.D.
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Practice Location: 1221 N Highland Ave, Aurora, IL 60506
Phone: 630-859-8700    

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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