Seshan Subramanian, MD - Medicare Hematology/oncology in Chicago, IL

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Seshan Subramanian, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Chicago, Illinois. He graduated from medical school in 1961 and has 63 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Mount Sinai Community Foundation and his current practice location is 2525 S Michigan Ave, 1-422, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 567-6691.

Seshan Subramanian is licensed to practice in Illinois (license number 036041610) 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 1083691950.

Contact Information

Seshan Subramanian, MD
2525 S Michigan Ave, 1-422,
Chicago, IL 60616-2333
(312) 567-6691
(312) 328-7895

Map and Direction




Physician's Profile

Full NameSeshan Subramanian
GenderMale
SpecialityHematology/oncology
Experience63 Years
Location2525 S Michigan Ave, Chicago, 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:
  • Seshan Subramanian graduated from medical school in 1961
  NPI Data:
  • NPI Number: 1083691950
  • Provider Enumeration Date: 12/30/2005
  • Last Update Date: 08/19/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 2860573102
  • Enrollment ID: I20080114000021

Medical Identifiers

Medical identifiers for Seshan Subramanian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083691950NPI-NPPES
036041610MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 036041610 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Holy Cross HospitalChicago, ILHospital
Mt Sinai Hospital Medical CenterChicago, ILHospital
Osf Little Company Of Mary Medical CenterEvergreen park, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mount Sinai Community Foundation5991600405211

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. Seshan Subramanian allows following entities to bill medicare on his behalf.
Entity NameMount Sinai Community Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376715896
PECOS PAC ID: 5991600405
Enrollment ID: O20040202001032
Entity NameMercy Hospital & Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215914791
PECOS PAC ID: 7618861105
Enrollment ID: O20040216000053

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. Seshan Subramanian 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
Seshan Subramanian, MD
2525 S Michigan Ave, 1-422,
Chicago, IL 60616-2333

Ph: (312) 567-6691		Seshan Subramanian, MD
2525 S Michigan Ave, 1-422,
Chicago, IL 60616-2333

Ph: (312) 567-6691

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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