Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret M Mraz, NP

Family Nurse Practitioner in Rochester, NY · enumerated 2006 · practices at Mary M Parkes Asthma & Pulmonary.

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

National Provider Identifier

1457369225

Verified

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Registry record

Entity type Individual (Type 1)

Name Margaret M Mraz

Credential NP

Sex Female

Practice address 400 Red Creek Dr, Suite 110, Rochester, NY, 14623

Phone (585) 486-0147

Fax (585) 486-0673

Enumeration date Aug 4, 2006

Last updated in NPPES Jul 5, 2023

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 332638 (NY) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F332638-1 (NY) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Margaret Mraz practice?

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

What is the NPI number for Margaret Mraz?

The National Provider Identifier (NPI) for Margaret Mraz is 1457369225, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-05.