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Medical Oncology

Jonathan R. Valsechi-Diaz, MD

Works at hospitals in Durham, NC · North Carolina

Summary

Dr. Jonathan R. Valsechi-Diaz, MD is an oncologist at PO Box, Suite 110566, Durham, NC 27709. May accept Medicare assignment. NPI 1376123901. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: PO Box, Suite 110566, Durham, NC 27709 · Directions
  • Medicare: May accept Medicare assignment
  • Hospital: Duke University Hospital
  • Medical school: Rutgers New Jersey Medical School · graduated 2021 (5 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jonathan R. Valsechi-Diaz, 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 Jonathan R. Valsechi-Diaz accept Medicare assignment?
Medicare's clinician data says Jonathan R. Valsechi-Diaz may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Jonathan R. Valsechi-Diaz's NPI number?
1376123901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan R. Valsechi-Diaz works

Medicare's Facility Affiliation Data lists Jonathan R. Valsechi-Diaz 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.

Practice locations

Addresses where Jonathan R. Valsechi-Diaz is enrolled with Medicare (CMS data updated October 2, 2026).

  • PO Box, Suite 110566Durham, NC 27709

Specialties

Find other Medical Oncology doctors in North Carolina →

Other oncologists in Durham

Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.

All oncologists in Durham →

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1376123901
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