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Medical Oncology

Wonseok W. Choi, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Wonseok W. Choi, MD is an oncologist at 8095 Innovation Park Dr, Bldg C, Fairfax, VA 22031. May accept Medicare assignment. NPI 1801415781. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: 8095 Innovation Park Dr, Bldg C, Fairfax, VA 22031 · Directions
  • Medicare: May accept Medicare assignment
  • Hospital: Tufts Medical Center
  • Medical school: George Washington University School Of Medicine · graduated 2020 (6 years since medical school)
  • Gender (as listed): Male
NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Wonseok W. Choi, 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 Wonseok W. Choi accept Medicare assignment?
Medicare's clinician data says Wonseok W. Choi may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Wonseok W. Choi's NPI number?
1801415781. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Wonseok W. Choi works

Medicare's Facility Affiliation Data lists Wonseok W. Choi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Tufts Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220116

Practice locations

Addresses where Wonseok W. Choi is enrolled with Medicare (CMS data updated October 2, 2026).

  • 8095 Innovation Park Dr, Bldg CFairfax, VA 22031

Specialties

Find other Medical Oncology doctors in Virginia →

Other oncologists in Fairfax

Clinicians with the same Medicare primary specialty in Fairfax, VA — not a recommendation.

All oncologists in Fairfax →

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1801415781
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians