Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Derek Michael Potthoff, LMSW
Counselor in Orange City, IA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578236642
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Registry record
Entity type Individual (Type 1)
Name Derek Michael Potthoff
Credential LMSW
Sex Male
Practice address 1217 Highway 10 W, Orange City, IA, 51041
Phone (712) 707-9222
Enumeration date Jul 26, 2021
Last updated in NPPES Jul 26, 2021
Taxonomy & licenses
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 Derek Potthoff?
The National Provider Identifier (NPI) for Derek Potthoff is 1578236642, a Type 1 (individual) record in the CMS NPPES registry.
Where does Derek Potthoff practice?
The practice location on file with NPPES is in Orange City, IA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Briana Van Der Zwaag Clinical Social Worker · Orange City, IA NPI 1215286448 Jennie Karnish Mental Health Counselor · Orange City, IA NPI 1891272241 Lisa Smith Clinical Social Worker · Orange City, IA NPI 1588208565 Brianna Oetken Clinical Social Worker · Orange City, IA NPI 1003531955 Christopher Ellens Clinical Social Worker · Orange City, IA NPI 1134905862 Kimber Patterson Mental Health Counselor · Orange City, IA NPI 1770325995 Callie Hoelker Mental Health Counselor · Orange City, IA NPI 1467386912
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-26.