Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
D D Loshek, PHD
Psychologist in Marshfield, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619064540
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Registry record
Entity type Individual (Type 1)
Name D D Loshek
Credential PHD
Sex Male
Practice address 1000 N Oak Ave, Marshfield, WI, 54449
Phone (715) 387-5511
Enumeration date Oct 10, 2006
Last updated in NPPES Jul 8, 2007
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
What is the NPI number for D Loshek?
The National Provider Identifier (NPI) for D Loshek is 1619064540, a Type 1 (individual) record in the CMS NPPES registry.
Where does D Loshek practice?
The practice location on file with NPPES is in Marshfield, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Yi Hsieh Urology Physician · Marshfield, WI NPI 1184628661 Ivan Maldonado Trauma Surgery Physician · Marshfield, WI NPI 1518963347 Milan Pastuovic Oral and Maxillofacial Surgery (Dentist) · Marshfield, WI NPI 1932106689 John Cordova Trauma Surgery Physician · Marshfield, WI NPI 1073510731 Michael Rudolph Anesthesiology Physician · Marshfield, WI NPI 1295732923 Sharon Mason Occupational Therapist · Marshfield, WI NPI 1053304873 Jason Duelge Radiation Oncology Physician · Marshfield, WI NPI 1326032509 Brett Carmichael Diagnostic Radiology Physician · Marshfield, WI NPI 1871587584
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.