Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Nathaniel James Caister
Specialist in Mount Pleasant, MI · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1528315272
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Registry record
Entity type Individual (Type 1)
Name Mr. Nathaniel James Caister
Sex Male
Practice address 1627 E Broomfield St, Mount Pleasant, MI, 48858
Phone (989) 779-9988
Enumeration date Aug 13, 2012
Last updated in NPPES Aug 13, 2012
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 specialty is Nathaniel Caister?
Nathaniel Caister is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-13.