Dr Nagarajan R Iyer, MD - Medicare Pain Medicine in Aurora, IL

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Dr Nagarajan R Iyer, MD is a medicare enrolled "Pain Medicine - Interventional Pain Medicine" physician in Aurora, Illinois. His current practice location is 2000 Ogden Ave, Aurora, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 978-4860.

Dr Nagarajan R Iyer is licensed to practice in Illinois (license number ) 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 1184637340.

Contact Information

Dr Nagarajan R Iyer, MD
2000 Ogden Ave,
Aurora, IL 60504-7222
(630) 978-4860
Not Available

Map and Direction




Physician's Profile

Full NameDr Nagarajan R Iyer
GenderMale
SpecialityPain Medicine - Interventional Pain Medicine
Location2000 Ogden Ave, Aurora, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1184637340
  • Provider Enumeration Date: 08/15/2006
  • Last Update Date: 09/11/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2365636875
  • Enrollment ID: I20101028001073

Medical Identifiers

Medical identifiers for Dr Nagarajan R Iyer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184637340NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology (Illinois)Secondary
208VP0014XPain Medicine - Interventional Pain Medicine (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. Dr Nagarajan R Iyer allows following entities to bill medicare on his behalf.
Entity NameGuardian Anesthesia Associates, S.c
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326097221
PECOS PAC ID: 3870494347
Enrollment ID: O20040116000932
Entity NameNorthstar Anesthesia Of Illinois, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962822395
PECOS PAC ID: 4688893878
Enrollment ID: O20140922000405

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 Nagarajan R Iyer 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 Nagarajan R Iyer, MD
185 Penny Ave,
East Dundee, IL 60118-1454

Ph: (847) 836-7015		Dr Nagarajan R Iyer, MD
2000 Ogden Ave,
Aurora, IL 60504-7222

Ph: (630) 978-4860

Reviews and Comments


Pain Medicine Doctors in Aurora, IL

Dr. James A. Mcguire, D.O.
Pain Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2000 Ogden Ave, Aurora, IL 60504
Phone: 630-978-4860    
Dr. John L. Bertolozzi, D.O.
Pain Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2000 Ogden Ave, Aurora, IL 60504
Phone: 630-978-4860    
Ramesh Bathina, MD
Pain Medicine
Medicare: Medicare Enrolled
Practice Location: 1315 N Highland Ave # 105, Aurora, IL 60506
Phone: 630-966-9999    Fax: 630-859-2378
Dr. Brian A. Barnett, M.D.
Pain Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2000 Ogden Ave, Aurora, IL 60504
Phone: 630-978-4860    
Dr. Hung Shing Tsang, M.D.
Pain Medicine
Medicare: Medicare Enrolled
Practice Location: 1315 N Highland Ave, Suite 203, Aurora, IL 60506
Phone: 630-906-1800    Fax: 630-906-9860
Dr. Quang Duy Pham, D.O.
Pain Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2000 Ogden Ave, Aurora, IL 60504
Phone: 630-978-4860    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.