KATHARINE ARMSTRONG MD
NPI 1922669555
Surgery in Savannah, GA
About Katharine Armstrong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHARINE ARMSTRONG MD (NPI 1922669555) is an individual surgery provider in Savannah, Georgia, licensed in Georgia (105289) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Candler Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Katharine Armstrong Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Katharine Armstrong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Savannah, GA 31405
- Reassigned Medicare billing, Georgia enrollment
- 35 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Candler Hospital
Acute Care Hospitals · Savannah, GASt Joseph's Hospital - Savannah
Acute Care Hospitals · Savannah, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 31405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAVANNAH, GA 31405
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Katharine Armstrong's NPI number?
The NPI number for Katharine Armstrong is 1922669555. It was assigned to this individual provider in the NPPES registry on June 25, 2019.
Where is Katharine Armstrong located?
Katharine Armstrong practices at 5353 Reynolds St Ste 200, Savannah, GA 31405. The listed phone number is (912) 819-5771.
What is Katharine Armstrong's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Katharine Armstrong enrolled in Medicare?
Yes. Katharine Armstrong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Katharine Armstrong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Armstrong reassigns Medicare benefits to Sjc Oncology Services - Georgia, LLC (Savannah, GA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katharine Armstrong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katharine Armstrong accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Katharine Armstrong as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Katharine Armstrong affiliated with any hospitals?
According to CMS data, Katharine Armstrong is affiliated with Candler Hospital and St Joseph's Hospital - Savannah.
When was this NPI record last updated?
The NPPES record for Katharine Armstrong was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Katharine Armstrong, MD · NPI 1922669555
Surgery physician in Savannah, Georgia. Individual provider, active in the CMS NPPES registry since June 25, 2019.
## Identity
- **NPI:** 1922669555 (Entity type: Individual)
- **Enumerated:** June 25, 2019
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 105289 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 5353 REYNOLDS ST STE 200, Savannah, GA 31405-6087
- **Phone:** (912) 819-5771 · **Fax:** (912) 819-5772
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sjc Oncology Services - Georgia, LLC (NPI 1710196589, Savannah, GA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Georgia School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** January 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1922669555) · Data from the CMS NPPES public registry.