Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Douglas L Friesen, PHD
Psychologist in Manheim, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1972524148
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Registry record
Entity type Individual (Type 1)
Name Douglas L Friesen
Credential PHD
Sex Male
Practice address 108 S Main St, Manheim, PA, 17545
Phone (717) 665-2675
Fax (717) 665-6193
Enumeration date Jul 22, 2006
Last updated in NPPES Nov 5, 2010
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License PS009010L (PA) 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 Douglas Friesen's NPI record?
Cross-check NPI 1972524148 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1972524148 active?
Yes, as of the latest NPPES snapshot, NPI 1972524148 is active (record last updated 2010-11-05).
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-05.