Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dorothy Cantonjos Zapf

Q: What is the NPI number for Dorothy Zapf?

The National Provider Identifier (NPI) for Dorothy Zapf is 1801668561, a Type 1 (individual) record in the CMS NPPES registry.

Adult Psychiatric/Mental Health Registered Nurse in Mason, OH · enumerated 2023.

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

National Provider Identifier

1801668561

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Registry record

Entity type Individual (Type 1)

Name Dorothy Cantonjos Zapf

Sex Female

Practice address 5265 Natorp Blvd Apt 118, Mason, OH, 45040

Phone (360) 787-5835

Enumeration date Oct 26, 2023

Last updated in NPPES Oct 26, 2023

Taxonomy & licenses

163WP0809X Adult Psychiatric/Mental Health Registered Nurse Nursing Service Providers · License 475907 (OH) Primary

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 Dorothy Zapf practice?

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

What is the NPI number for Dorothy Zapf?

The National Provider Identifier (NPI) for Dorothy Zapf is 1801668561, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-26.