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Emergency Medicine

Oscar Barnes-Valldejuly, MD

Works at hospitals in Springfield, MA · Westfield, MA · Massachusetts

Summary

Dr. Oscar Barnes-Valldejuly, MD is an emergency medicine doctor at 280 Chestnut St, Suite 2, Springfield, MA 01199. Accepts Medicare assignment. NPI 1770115073. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 280 Chestnut St, Suite 2, Springfield, MA 01199 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospitals: Baystate Medical Center, Baystate Noble Hospital
  • Group practice: Baystate Medical Practices Inc
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Oscar Barnes-Valldejuly, 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 Oscar Barnes-Valldejuly accept Medicare assignment?
Yes. Medicare's clinician data says Oscar Barnes-Valldejuly 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 Oscar Barnes-Valldejuly's NPI number?
1770115073. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Oscar Barnes-Valldejuly works

Medicare's Facility Affiliation Data lists Oscar Barnes-Valldejuly 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 Oscar Barnes-Valldejuly is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Oscar Barnes-Valldejuly as a member of this group (CMS data updated October 2, 2026).

  • Baystate Medical Practices Inc1,369 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Massachusetts →

Other emergency medicine doctors in Springfield

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

All emergency medicine doctors in Springfield →

Other clinicians in Baystate Medical Practices Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770115073
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