Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jessica A Diefenbach, NP
Nurse Practitioner in Sparks, NV · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861016735
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Registry record
Entity type Individual (Type 1)
Name Jessica A Diefenbach
Credential NP
Sex Female
Practice address Po Box 50003, Sparks, NV, 89435
Phone (214) 227-2457
Fax (214) 764-0880
Enumeration date Jun 5, 2020
Last updated in NPPES Apr 16, 2025
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 879400 (NV) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP 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 Jessica Diefenbach practice?
The practice location on file with NPPES is in Sparks, NV. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jessica Diefenbach?
The National Provider Identifier (NPI) for Jessica Diefenbach is 1861016735, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-16.