Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hospitalist

Martin Osorio Nader, MD

Works at hospitals in Atlanta, GA · Georgia

Summary

Dr. Martin Osorio Nader, MD is a hospitalist at 80 Jesse Hill Jr Dr SE, Atlanta, GA 30303. Phone: (404) 616-1000. Accepts Medicare assignment. NPI 1205538683. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Hospitalist
  • Address: 80 Jesse Hill Jr Dr SE, Atlanta, GA 30303 · Directions
  • Phone: (404) 616‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Grady Memorial Hospital
  • Group practice: Emory Medical Care Foundation Inc
  • Medical school: graduated 2023 (3 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Martin Osorio Nader, 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 Martin Osorio Nader accept Medicare assignment?
Yes. Medicare's clinician data says Martin Osorio Nader 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 Martin Osorio Nader's NPI number?
1205538683. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Martin Osorio Nader works

Medicare's Facility Affiliation Data lists Martin Osorio Nader 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 Martin Osorio Nader is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Martin Osorio Nader as a member of this group (CMS data updated October 2, 2026).

  • Emory Medical Care Foundation Inc1,015 clinicians in the group

Specialties

Find other Hospitalist doctors in Georgia →

Other hospitalists in Atlanta

Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.

All hospitalists in Atlanta →

Other clinicians in Emory Medical Care Foundation Inc

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

Clinician information

CredentialMD
Graduation year2023 (3 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205538683
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