Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Suzanne Southworth, PHD
Psychologist in Washington, DC · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831147958
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Registry record
Entity type Individual (Type 1)
Name Dr. Suzanne Southworth
Credential PHD
Sex Female
Practice address 1327 18th Street Nw, Washington, DC, 20036
Phone (202) 785-2400
Fax (202) 452-1853
Enumeration date May 4, 2006
Last updated in NPPES Aug 6, 2013
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License PSY100143 (DC) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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
How do I verify Suzanne Southworth's NPI record?
Cross-check NPI 1831147958 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1831147958 active?
Yes, as of the latest NPPES snapshot, NPI 1831147958 is active (record last updated 2013-08-06).
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-06.