Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Duncan R Adams, PHD
Psychologist in Sheboygan, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881602423
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Registry record
Entity type Individual (Type 1)
Name Dr. Duncan R Adams
Credential PHD
Sex Male
Practice address 2414 Kohler Memorial Dr, Sheboygan, WI, 53081
Phone (920) 457-4461
Fax (920) 459-1139
Enumeration date Aug 3, 2006
Last updated in NPPES Jan 23, 2008
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 39047300 | Medicaid | WI | - |
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 Duncan Adams practice?
The practice location on file with NPPES is in Sheboygan, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Duncan Adams?
The National Provider Identifier (NPI) for Duncan Adams is 1881602423, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-23.