Seshan Subramanian, MD
Hematology & Oncology Physician · Chicago, IL
Seshan Subramanian, MD is a hematology & oncology physician with a practice address in Chicago, Illinois, and NPI 1083691950, issued on Dec 30, 2005. Check the license (Illinois 036041610, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Seshan Subramanian
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 036041610 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2525 S Michigan Ave, Chicago, IL 60616
- Phone
- (312) 567-6691
- Enumerated
- Dec 30, 2005
- Record last updated
- Aug 19, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (312) 328-7895
- Medicaid ID
- 036041610 IL
- Medicare enrollment
- Enrolled (PECOS I20080114000021); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →
Also registered at 2525 S Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Muna Abdu Adem, MDInternal Medicine Physician1457238107
- Masooma AfridiStudent in an Organized Health Care Education/Training Program1346035581
- Suneil Agrawal, MDEmergency Medicine Physician1891948568
- Ismeal AhmedStudent in an Organized Health Care Education/Training Program1265373765
Verify Seshan Subramanian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036041610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
167 Medicare Part D claims for 54 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Anastrozole20 claims
- Eliquis13 claims
- Gabapentin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,575.34
73 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mount Sinai Community FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seshan Subramanian among 666 hematology & oncology physician records in Illinois
Seshan Subramanian, MD is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1961 · median 2003 among the 461 with a school on file
- Record last updated2010 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Illinois
There are 666 hematology & oncology physician records in Illinois.
All 666 in Illinois → Every provider in Chicago → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Peter Friedell, M. D.Chicago, IL 606161356360531
- Juan Restrepo, MDChicago, IL 606161356546923
- Jonas De Souza, M.D.Chicago, IL 606151801034830
- Aimee Schad, MDChicago, IL 606171053802975
- Thiti Jaojaroenkul, MDChicago, IL 606141679657324
- Kochurani Maliekel, MDChicago, IL 606181699777813
- Manjeet Chawla, MDChicago, IL 606131902910425
- Evelyn Currie, MDChicago, IL 606191457484586
Common questions
What is Seshan Subramanian, MD's NPI number?
Seshan Subramanian, MD's National Provider Identifier (NPI) is 1083691950, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Seshan Subramanian, MD located?
The NPPES record lists a practice address at 2525 S Michigan Ave, Chicago, IL, 60616. Phone: (312) 567-6691. Providers update this record themselves, so call before visiting.
How can I verify Seshan Subramanian, MD's license?
NPPES lists Illinois license number 036041610, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Seshan Subramanian, MD prescribe under Medicare Part D?
In 2024, Seshan Subramanian, MD had 167 Medicare Part D claims for 54 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Seshan Subramanian, MD's MIPS final score?
The 2023 MIPS final score is 80.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.