Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Alyssa Herzog, DC
Chiropractor in Johnston, IA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1912893603
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Registry record
Entity type Individual (Type 1)
Name Mrs. Alyssa Herzog
Credential DC
Sex Female
Practice address 5705 Nw 100th St Ste 200, Johnston, IA, 50131
Phone (515) 444-7031
Enumeration date Jun 17, 2025
Last updated in NPPES Jun 17, 2025
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC 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 Alyssa Herzog practice?
The practice location on file with NPPES is in Johnston, IA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Alyssa Herzog?
The National Provider Identifier (NPI) for Alyssa Herzog is 1912893603, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Zen Spine & Sport Chiropractor · Johnston, IA NPI 1679210017 Alex Pierce Chiropractor · Johnston, IA NPI 1952019366 Zen Spine and Sport Clinic Chiropractor · Johnston, IA NPI 1770362014 Serenity Spine and Wellness Chiropractor · Johnston, IA NPI 1235026311 Logan Roling Chiropractor · Johnston, IA NPI 1538077532
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-17.