Doctor Profile

Cancer Care · Hematology/Oncology

Seshan Subramanian

MD · Hematology/Oncology
1401 S CALIFORNIA AVE
Chicago, IL 60608
✓ Accepts Medicare 🎓 65+ Years Practicing
122
Medicare Patients / yr
4
Procedures Billed
65
Years Practicing
3
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Seshan Subramanian's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Subramanian

See which plans Dr. Subramanian accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Illinois, the fastest way to find a Medicare plan that covers Dr. Subramanian is to compare every Medicare Advantage and Part D plan available near 60608, IL — the Hematology/Oncology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 60608, IL →

Or call the office at (773) 522-6656 to confirm acceptance directly.

What Dr. Subramanian Does

Dr. Subramanian served 122 Medicare patients across 232 services in the latest CMS reporting year. That's 88% below the average Hematology/Oncology in Illinois (1,036 patients across 386 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 30-39 minutes (99214)15163
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)3921
Established patient office or other outpatient visit, 20-29 minutes (99213)2925
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)1313

How to read this: "Services" are the total times Dr. Subramanian billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Subramanian is affiliated with 3 hospitals according to CMS Physician Compare. Below are the 3 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Osf Little Company Of Mary Medical Center

Evergreen Park, IL
★★☆☆☆ 2/5 CMS Rating

Holy Cross Hospital

Chicago, IL
★☆☆☆☆ 1/5 CMS Rating

Mt Sinai Hospital Medical Center

Chicago, IL
★☆☆☆☆ 1/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. Subramanian practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Subramanian offers telehealth — broadband availability at your home matters for virtual visits.

Address: 1401 S CALIFORNIA AVE, Chicago, IL 60608
Phone: (773) 522-6656

Area Safety Grade

C-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

36 min

Average commute time in this zip · 57% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

36.2524

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Cancer Care Doctors near 60608, IL

If Dr. Subramanian isn't accepting new patients or isn't in your plan's network, these are the closest cancer care doctors near 60608, IL:

DoctorSpecialtyMedicare Patients / yrDistance
Oana C. DanciuHematology/Oncology471.4 mi
Abiola F. IbraheemHematology/Oncology1.4 mi
Vijayakrishna K. GadiMedical Oncology1.4 mi
Shikha JainHematology/Oncology711.4 mi
Noah W. BirchHematology/Oncology331.4 mi
Christina H. SonRadiation Oncology1681.4 mi

View all cancer care doctors near 60608, IL →

How to Use This Information

Choosing a Medicare plan that covers Dr. Subramanian takes three steps:

Compare Medicare Plans near 60608, IL → All Doctors near 60608, IL

Seshan Subramanian: Common Questions

Does Dr. Subramanian accept Medicare?
Yes. Dr. Subramanian is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Subramanian depends on that plan's provider network. Compare Medicare plans near 60608, IL →
Where is Dr. Subramanian's office?
Dr. Subramanian practices at 1401 S CALIFORNIA AVE, Chicago, IL 60608. Phone: (773) 522-6656.
What Medicare plans does Dr. Subramanian accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (773) 522-6656 to confirm your specific plan is accepted, or compare all Medicare plans near 60608, IL to see available options.
Does Dr. Subramanian offer telehealth visits?
CMS does not currently list Dr. Subramanian as offering telehealth. Call the office at (773) 522-6656 to confirm whether virtual visits are available.
How experienced is Dr. Subramanian?
Dr. Subramanian graduated in 1961 and has been practicing for approximately 65 years. In the latest CMS reporting year, Dr. Subramanian treated 122 Medicare patients across 4 distinct procedure types.
How do I know if Dr. Subramanian is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (773) 522-6656 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Cancer Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 60608, IL:

Does your Medicare plan cover Dr. Subramanian?

Compare Plans near 60608, IL →