NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Donna Maria Mazzarella, R.N.

Registered Nurse in Bay Village, OH · enumerated 2009.

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

National Provider Identifier

1043459522

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Registry record

Entity type Individual (Type 1)
Name Ms. Donna Maria Mazzarella
Credential R.N.
Sex Female
Practice address Bay Village, OH, 44140
Enumeration date Feb 6, 2009
Last updated in NPPES Feb 6, 2009

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN178983 (OH) Primary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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

What is the NPI number for Donna Mazzarella?
The National Provider Identifier (NPI) for Donna Mazzarella is 1043459522, a Type 1 (individual) record in the CMS NPPES registry.
Where does Donna Mazzarella practice?
The practice location on file with NPPES is in Bay Village, OH. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-02-06.