Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Marvin E Belknap, DDS
Dentist in Shenandoah, IA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801904933
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Registry record
Entity type Individual (Type 1)
Name Dr. Marvin E Belknap
Credential DDS
Sex Male
Practice address 617 West Thomas, Shenandoah, IA, 51601
Phone (712) 246-5587
Fax (712) 246-5586
Enumeration date Aug 28, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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 Marvin Belknap practice?
The practice location on file with NPPES is in Shenandoah, IA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marvin Belknap?
The National Provider Identifier (NPI) for Marvin Belknap is 1801904933, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.