Quick answers
- Where does Mary E. Ostaszewski see patients?
- Medicare's clinician data lists 1 practice location in Sugar Hill, GA. Call before your visit to confirm the address.
- What is Mary E. Ostaszewski's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Mary E. Ostaszewski accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. Ostaszewski 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 Mary E. Ostaszewski?
- (770) 945-1990, as listed in official Medicare / NPI Registry data.
- What is Mary E. Ostaszewski's NPI number?
- 1003013236. 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 Mary E. Ostaszewski is enrolled with Medicare (CMS data updated 2026-10-02).
- 4720 Nelson Brogdon BlvdSugar Hill, GA 30518 (770) 945‑1990
Group practices
Medicare enrollment lists Mary E. Ostaszewski as a member of this group (CMS data updated 2026-10-02).
- Tri County Internal Medicine, PC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Georgia
Clinicians with the same Medicare primary specialty in Georgia — not a recommendation.
Clinician information
| Graduation year | 2007 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003013236 |
| 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