MARTIN OSORIO NADER
NPI 1205538683
Hospitalist in Atlanta, GA

Active since March 20, 2023PECOS EnrolledAccepts Medicare Assignment
49 JESSE HILL JR DR SE, ATLANTA, GA 30303(404) 778-7777 Get Directions Write a Review

NPPES record last updated: April 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 6, 2026, Feb 3, 2026, Mar 20, 2023 (3 updates tracked since 2023).

About Martin Osorio Nader NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARTIN OSORIO NADER (NPI 1205538683) is an individual hospitalist provider in Atlanta, Georgia, licensed in Georgia (103973) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1205538683
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMARTIN OSORIO NADER
Location Address49 JESSE HILL JR DR SEAtlanta, GA 30303-3049
Mailing Address49 Jesse Hill Jr Dr SeAtlanta, GA 30303-3049 · (404) 778-7777
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 20, 2023
Last NPPES UpdateApril 6, 20263 updates tracked since enumeration
NPPES CertifiedApril 6, 2026
✔ NPI 1205538683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in GA · 103973
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 103973 (GA)
49 JESSE HILL JR DR SE, Atlanta, GA 30303

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Martin Osorio Nader is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143680108
PECOS Enrollment IDI20260424002612
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Martin Osorio Nader reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
80 JESSE HILL JR DRIVE, EMCF
Atlanta, GA 30303
  • Reassigned Medicare billing, Georgia enrollment
  • 2,681 clinicians in this Medicare group
Internal Medicine
1365 CLIFTON RD NE
Atlanta, GA 30322
  • Reassigned Medicare billing, Georgia enrollment
  • 4,840 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Grady Memorial Hospital

Acute Care Hospitals · Atlanta, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110079
Location80 Jesse Hill, Jr Drive SEAtlanta, GA 30303 · Fulton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30303 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Internal Medicine (Hematology & Oncology)
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Pediatrics
49 JESSE HILL JR DR SE
ATLANTA, GA 30303

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Martin Osorio Nader's NPI number?

The NPI number for Martin Osorio Nader is 1205538683. It was assigned to this individual provider in the NPPES registry on March 20, 2023.

Where is Martin Osorio Nader located?

Martin Osorio Nader practices at 49 Jesse Hill Jr Dr SE, Atlanta, GA 30303. The listed phone number is (404) 778-7777.

What is Martin Osorio Nader's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Martin Osorio Nader enrolled in Medicare?

Yes. Martin Osorio Nader is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Martin Osorio Nader's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martin Osorio Nader reassigns Medicare benefits to 2 organizations: Emory Medical Care Foundation Inc (Atlanta, GA) and The Emory Clinic Inc (Atlanta, GA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Martin Osorio Nader's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Martin Osorio Nader accept?

Health plans from Oscar Health list Martin Osorio Nader as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Martin Osorio Nader affiliated with any hospitals?

According to CMS data, Martin Osorio Nader is affiliated with Grady Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Martin Osorio Nader was last updated on April 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.