Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. George Ross Matteson, PHARMD
Pharmacist in Granite City, IL · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1770187007
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. George Ross Matteson
Credential PHARMD
Sex Male
Practice address 3319 Nameoki Rd, Granite City, IL, 62040
Phone (217) 218-1016
Enumeration date Nov 27, 2020
Last updated in NPPES Nov 27, 2020
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD 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
Is NPI 1770187007 active?
Yes, as of the latest NPPES snapshot, NPI 1770187007 is active (record last updated 2020-11-27).
How do I verify George Matteson's NPI record?
Cross-check NPI 1770187007 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-27.