Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Linda H. Deffinbaugh
Registered Nurse in Elkridge, MD · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285929729
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Registry record
Entity type Individual (Type 1)
Name Linda H. Deffinbaugh
Sex Female
Practice address 7305 Maplecrest Rd, #201, Elkridge, MD, 21075
Phone (410) 796-1942
Enumeration date Jun 13, 2011
Last updated in NPPES Jun 13, 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 Linda Deffinbaugh practice?
The practice location on file with NPPES is in Elkridge, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Linda Deffinbaugh?
The National Provider Identifier (NPI) for Linda Deffinbaugh is 1285929729, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-13.