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General Surgery

Martin J. Barrio, MD

Sees patients in Los Angeles, CA · California

Summary

Martin J. Barrio, MD (General Surgery) is enrolled with Medicare at 1 practice location in Los Angeles, CA. NPI 1801357751. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Martin J. Barrio, 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

General SurgeryPrimary specialty
May acceptAccepts Medicare assignment
7Years since medical school (graduated 2019)
Indiana University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Martin J. Barrio see patients?
Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
What is Martin J. Barrio's specialty?
Medicare lists General Surgery as the primary specialty.
Does Martin J. Barrio accept Medicare assignment?
Medicare's clinician data says Martin J. Barrio may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Martin J. Barrio's NPI number?
1801357751. 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 Martin J. Barrio is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Los Angeles

Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.

All general surgeons in Los Angeles →

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year2019
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1801357751
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 2026-10-02, retrieved 2026-10-29
  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