Quick answers
- Does Nadine Ossei accept Medicare assignment?
- Medicare's clinician data says Nadine Ossei may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Nadine Ossei's NPI number?
- 1326866799. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nadine Ossei works
Medicare's Facility Affiliation Data lists Nadine Ossei 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.
- Grady Memorial HospitalAtlanta, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110079
- Wellstar Cobb Medical CenterAustell, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110143
Practice locations
Addresses where Nadine Ossei is enrolled with Medicare (CMS data updated October 2, 2026).
- 3950 Austell RdAustell, GA 30106 (770) 702‑1806
- 4441 Atlanta Rd SESmyrna, GA 30080
- 80 Gilmer St SEAtlanta, GA 30303 (404) 616‑1000
- 80 Jesse Hill Jr Dr SEAtlanta, GA 30303 (404) 616‑8880
Group practices
Medicare enrollment lists Nadine Ossei as a member of these groups (CMS data updated October 2, 2026).
- Mak Anesthesia Holdings, LLC385 clinicians in the group
- Grady Memorial Hospital Corporation376 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Other anesthesiologist assistants in Austell
Clinicians with the same Medicare primary specialty in Austell, GA — not a recommendation.
Other clinicians in Mak Anesthesia Holdings, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1326866799 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians