Quick answers
- Does Katharine A. Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Katharine A. Armstrong accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Katharine A. Armstrong's NPI number?
- 1922669555. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katharine A. Armstrong works
Medicare's Facility Affiliation Data lists Katharine A. Armstrong 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.
- Candler HospitalSavannah, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110024
- St Joseph's Hospital - SavannahSavannah, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110043
Practice locations
Addresses where Katharine A. Armstrong is enrolled with Medicare (CMS data updated October 2, 2026).
- 225 Candler Dr, Suite 100Savannah, GA 31405 (912) 352‑1700
- 5353 Reynolds St, Suite 200Savannah, GA 31405 (912) 819‑5771
Group practices
Medicare enrollment lists Katharine A. Armstrong as a member of this group (CMS data updated October 2, 2026).
- SJC Oncology Services - Georgia, LLC26 clinicians in the group
Specialties
- Surgical Oncologyprimary
Other surgical oncologists in Savannah
Clinicians with the same Medicare primary specialty in Savannah, GA — not a recommendation.
Other clinicians in SJC Oncology Services - Georgia, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Georgia School Of Medicine |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922669555 |
| 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