Quick answers
- Where does Sylvia Y. Ossei see patients?
- Medicare's clinician data lists 4 practice locations, including Marietta, GA and Kennesaw, GA. Call before your visit to confirm the address.
- What is Sylvia Y. Ossei's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Sylvia Y. Ossei accept Medicare assignment?
- Yes. Medicare's clinician data says Sylvia Y. Ossei 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 Sylvia Y. Ossei?
- (770) 644-1570, as listed in official Medicare / NPI Registry data.
- What is Sylvia Y. Ossei's NPI number?
- 1427745397. 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 Sylvia Y. Ossei is enrolled with Medicare (CMS data updated 2026-10-02).
- 2540 Windy Hill RdMarietta, GA 30067 (770) 644‑1570
- 2540 Windy Hill SerdMarietta, GA 30067 (770) 644‑1274
- 2550 Windy Hill Rd SE, Suite 220Marietta, GA 30067 (404) 321‑9900
- 5150 Stilesboro N W Rd, Suite 220Kennesaw, GA 30152 (770) 424‑8222
Group practices
Medicare enrollment lists Sylvia Y. Ossei as a member of this group (CMS data updated 2026-10-02).
- Wellstar Medical Group LLC3,093 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Marietta
Clinicians with the same Medicare primary specialty in Marietta, GA — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427745397 |
| 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
- 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