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Radiation Oncology

Kristin T. Hsieh, MD

Sees patients in New York, NY · New York

Summary

Dr. Kristin T. Hsieh, MD is a radiation oncologist at 225 E 126th St, New York, NY 10035. Phone: (646) 968-9064. Accepts Medicare assignment. NPI 1104453554. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Radiation oncologist (Medicare lists Radiation Oncology)
  • Address: 225 E 126th St, New York, NY 10035 · Directions
  • Phone: (646) 968‑9064
  • Medicare: Accepts Medicare assignment
  • Group practice: The New York Proton Center
  • Medical school: Columbia University College Of Physicians And Surgeons · graduated 2020 (6 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Kristin T. Hsieh, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kristin T. Hsieh accept Medicare assignment?
Yes. Medicare's clinician data says Kristin T. Hsieh accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Kristin T. Hsieh's NPI number?
1104453554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Kristin T. Hsieh is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kristin T. Hsieh as a member of this group (CMS data updated October 2, 2026).

  • The New York Proton Center46 clinicians in the group

Specialties

Find other Radiation Oncology doctors in New York →

Other radiation oncologists in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All radiation oncologists in New York →

Other clinicians in The New York Proton Center

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104453554
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians