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Psychiatry

Roberto A. Leon Barriera, MD

Works at hospitals in Pittsburgh, PA · Williamsport, PA · Pennsylvania

Summary

Roberto A. Leon Barriera, MD (Psychiatry) is listed by Medicare at 2 hospitals in Pittsburgh, PA and Williamsport, PA. NPI 1457804866. 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 Roberto A. Leon Barriera, 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

PsychiatryPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
University Of Puerto Rico School Of MedicineMedical school
MaleGender (as listed)
University of Pittsburgh PhysiciansGroup practice

Quick answers

Which hospitals does Roberto A. Leon Barriera work at?
Medicare's official clinician data lists Roberto A. Leon Barriera at 2 hospitals: UPMC Presbyterian Shadyside and UPMC Williamsport. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Roberto A. Leon Barriera see patients?
Medicare's clinician data lists 4 practice locations, including Pittsburgh, PA and Williamsport, PA. Call before your visit to confirm the address.
What is Roberto A. Leon Barriera's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Roberto A. Leon Barriera accept Medicare assignment?
Yes. Medicare's clinician data says Roberto A. Leon Barriera 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 the phone number for Roberto A. Leon Barriera?
(412) 624-1000, as listed in official Medicare / NPI Registry data.
What is Roberto A. Leon Barriera's NPI number?
1457804866. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Roberto A. Leon Barriera works

Medicare's Facility Affiliation Data lists Roberto A. Leon Barriera 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 Roberto A. Leon Barriera is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Roberto A. Leon Barriera as a member of this group (CMS data updated 2026-10-02).

  • University of Pittsburgh Physicians4,236 clinicians in the group

Specialties

Find other Psychiatry doctors in Pennsylvania →

Other psychiatrists in Pittsburgh

Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.

All psychiatrists in Pittsburgh →

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457804866
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