Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marilyn Masayesva, RN

Medical-Surgical Registered Nurse in Polacca, AZ · enumerated 2007 · practices at The Hopi Tribe.

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

National Provider Identifier

1881736072

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Registry record

Entity type Individual (Type 1)

Name Marilyn Masayesva

Credential RN

Sex Female

Practice address Hwy 264, Mp 388, Polacca, AZ, 86042

Phone (928) 737-6000

Fax (928) 737-6369

Enumeration date Feb 13, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

163WM0705X Medical-Surgical Registered Nurse Nursing Service Providers · License RN041425 (AZ) 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 Marilyn Masayesva?

The National Provider Identifier (NPI) for Marilyn Masayesva is 1881736072, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marilyn Masayesva practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.