Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Donald Farnsworth, PHD
Psychologist in Grand Rapids, MN · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1447569975
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Registry record
Entity type Individual (Type 1)
Name Donald Farnsworth
Credential PHD
Sex Male
Practice address 215 Se 2nd Ave, Grand Rapids, MN, 55744
Phone (218) 327-1274
Enumeration date Oct 1, 2010
Last updated in NPPES Nov 26, 2012
Taxonomy & licenses
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
Where does Donald Farnsworth practice?
The practice location on file with NPPES is in Grand Rapids, MN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Donald Farnsworth?
The National Provider Identifier (NPI) for Donald Farnsworth is 1447569975, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Thomas Kefalas Psychiatry Physician · Grand Rapids, MN NPI 1609842897 Bradley Nelson Cognitive & Behavioral Psychologist · Grand Rapids, MN NPI 1902822919 Jerome Berndt Marriage & Family Therapist · Grand Rapids, MN NPI 1770705337 Jeffrey Toonstra Clinical Psychologist · Grand Rapids, MN NPI 1457564668 Cathleen Bengtson Clinical Psychologist · Grand Rapids, MN NPI 1003029265 Janet Woehrle Prescribing (Medical) Psychologist · Grand Rapids, MN NPI 1457564510 Matthew Kustritz Mental Health Counselor · Grand Rapids, MN NPI 1396951927 Steven Loney Mental Health Counselor · Grand Rapids, MN NPI 1447466008
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-11-26.