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Medical Oncology

Aswin Sekar

Works at hospitals in Boston, MA · Massachusetts

Summary

Aswin Sekar (Medical Oncology) is listed by Medicare at 1 hospital in Boston, MA. NPI 1851749691. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Aswin Sekar, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
Harvard Medical SchoolMedical school
MaleGender (as listed)
Dana-Farber Cancer Institute, Inc.Group practice

Quick answers

Which hospitals does Aswin Sekar work at?
Medicare's official clinician data lists Aswin Sekar at 1 hospital: Brigham and Women's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aswin Sekar see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Aswin Sekar's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does Aswin Sekar accept Medicare assignment?
Yes. Medicare's clinician data says Aswin Sekar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is Aswin Sekar's NPI number?
1851749691. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aswin Sekar works

Medicare's Facility Affiliation Data lists Aswin Sekar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Aswin Sekar is enrolled with Medicare (CMS data updated 2026-10-02).

  • 450 Brookline AveBoston, MA 02215

Group practices

Medicare enrollment lists Aswin Sekar as a member of this group (CMS data updated 2026-10-02).

  • Dana-Farber Cancer Institute, Inc.684 clinicians in the group

Specialties

Find other Medical Oncology doctors in Massachusetts →

Other oncologists in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All oncologists in Boston →

Clinician information

Medical schoolHarvard Medical School
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851749691
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians