Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Zachary E Johnson, DDS

General Practice Dentistry in Corning, IA · enumerated 2023 · practices at Alegent Health Mercy Hospital, Corning Ia.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1912687849

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Registry record

Entity type Individual (Type 1)

Name Dr. Zachary E Johnson

Credential DDS

Sex Male

Practice address 2244 Loomis Avenue Ext, Corning, IA, 50841

Phone (641) 322-3737

Fax (641) 322-3377

Enumeration date Jul 25, 2023

Last updated in NPPES Jul 25, 2023

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License DDS-10135 (IA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Zachary Johnson practice?

The practice location on file with NPPES is in Corning, IA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Zachary Johnson?

The National Provider Identifier (NPI) for Zachary Johnson is 1912687849, a Type 1 (individual) record in the CMS NPPES registry.

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Alegent Health Mercy Hospital, Corning Ia Home Health Agency · Corning, IA NPI 1912080664

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-25.