Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Allen W Gross
Pharmacist in Gladstone, MO · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285914861
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Registry record
Entity type Individual (Type 1)
Name Allen W Gross
Sex Male
Practice address 6320 N Oak Trfy, Gladstone, MO, 64118
Phone (816) 453-7856
Fax (816) 453-2865
Enumeration date Aug 26, 2011
Last updated in NPPES Aug 26, 2011
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
Where does Allen Gross practice?
The practice location on file with NPPES is in Gladstone, MO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Allen Gross?
The National Provider Identifier (NPI) for Allen Gross is 1285914861, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-08-26.