Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Seshan Subramanian, MD

Individual provider Hematology & Oncology Physician · NPI 1083691950

Seshan Subramanian, MD is a Hematology/Oncology in Chicago, Illinois. Qualified in 1961, 65 years ago. Practices with Mount Sinai Community Foundation, a 246-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
65
Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2525 S Michigan Ave 1-422
Chicago, IL 60616-2333
Phone: (312) 567-6691
Fax: (312) 328-7895
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 036041610 (IL)

Record details

NPI number1083691950
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 30, 2005
Last updated in NPPESAugust 19, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE, MEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 1961 (65 years in practice)
Group practice Mount Sinai Community Foundation — 246 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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