Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mitchell Dean Charter Geer
Adult Companion in Elk Grove, CA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801781893
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Registry record
Entity type Individual (Type 1)
Name Mitchell Dean Charter Geer
Sex X
Practice address 3161 Dwight Rd, Elk Grove, CA, 95758
Phone (916) 427-7141
Fax (916) 427-7122
Enumeration date Jun 10, 2025
Last updated in NPPES Jun 10, 2025
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
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.
What specialty is Mitchell Geer?
Mitchell Geer is registered in NPPES with the primary taxonomy of Adult Companion. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-10.