Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Katharine Armstrong, MD
Surgery Physician in Savannah, GA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1922669555
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Registry record
Entity type Individual (Type 1)
Name Katharine Armstrong
Credential MD
Sex Female
Practice address 5353 Reynolds St Ste 200, Savannah, GA, 31405
Phone (912) 819-5771
Fax (912) 819-5772
Enumeration date Jun 25, 2019
Last updated in NPPES Jan 13, 2026
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Katharine Armstrong practice?
The practice location on file with NPPES is in Savannah, GA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Katharine Armstrong?
The National Provider Identifier (NPI) for Katharine Armstrong is 1922669555, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-13.