Quick answers
- Which hospitals does Carlos A. Osmon work at?
- Medicare's official clinician data lists Carlos A. Osmon at 4 hospitals: Piedmont Cartersville Medical Center, Tanner Medical Center Villa Rica, Wellstar Cobb Medical Center and Wellstar Spalding Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Carlos A. Osmon see patients?
- Medicare's clinician data lists 1 practice location in Marietta, GA. Call before your visit to confirm the address.
- What is Carlos A. Osmon's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Carlos A. Osmon accept Medicare assignment?
- Yes. Medicare's clinician data says Carlos A. Osmon 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 Carlos A. Osmon?
- (770) 420-1600, as listed in official Medicare / NPI Registry data.
- What is Carlos A. Osmon's NPI number?
- 1225033640. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Carlos A. Osmon works
Medicare's Facility Affiliation Data lists Carlos A. Osmon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Piedmont Cartersville Medical CenterCartersville, GA · Acute Care Hospital · CCN 110030
- Tanner Medical Center Villa RicaVilla Rica, GA · Acute Care Hospital · CCN 110015
- Wellstar Cobb Medical CenterAustell, GA · Acute Care Hospital · CCN 110143
- Wellstar Spalding Medical CenterGriffin, GA · Acute Care Hospital · CCN 110031
Practice locations
Addresses where Carlos A. Osmon is enrolled with Medicare (CMS data updated 2026-10-02).
- 700 Church NestMarietta, GA 30060 (770) 420‑1600
Group practices
Medicare enrollment lists Carlos A. Osmon as a member of this group (CMS data updated 2026-10-02).
- Wellstar Medical Group LLC3,093 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Marietta
Clinicians with the same Medicare primary specialty in Marietta, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1968 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225033640 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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