Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Janelle Summerville Peifer, PHD
Psychologist in Decatur, GA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679039739
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Registry record
Entity type Individual (Type 1)
Name Dr. Janelle Summerville Peifer
Credential PHD
Sex Female
Practice address 209b Swanton Way Ste 204, Decatur, GA, 30030
Phone (678) 561-4187
Enumeration date Feb 13, 2019
Last updated in NPPES Feb 13, 2019
Taxonomy & licenses
103TB0200X Cognitive & Behavioral Psychologist Behavioral Health & Social Service Providers · License PSY004269 (GA) Secondary
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PSY004269 (GA) Secondary
103TF0000X Family Psychologist Behavioral Health & Social Service Providers · License PSY004269 (GA) Secondary
103TP2701X Group Psychotherapy Psychologist Behavioral Health & Social Service Providers · License PSY004269 (GA) Secondary
103T00000X Psychologist Behavioral Health & Social Service Providers · License PSY004269 (GA) 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
Is NPI 1679039739 active?
Yes, as of the latest NPPES snapshot, NPI 1679039739 is active (record last updated 2019-02-13).
How do I verify Janelle Peifer's NPI record?
Cross-check NPI 1679039739 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
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-13.