Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Thomas Harlowe Root, PHARMD
Pharmacist in Severna Park, MD · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184749558
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Registry record
Entity type Individual (Type 1)
Name Dr. Thomas Harlowe Root
Credential PHARMD
Sex Male
Practice address 496 Ritchie Hwy, Severna Park, MD, 21146
Phone (410) 544-1291
Enumeration date Mar 21, 2007
Last updated in NPPES Jul 24, 2023
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
What is the NPI number for Thomas Root?
The National Provider Identifier (NPI) for Thomas Root is 1184749558, a Type 1 (individual) record in the CMS NPPES registry.
Where does Thomas Root practice?
The practice location on file with NPPES is in Severna Park, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-24.