Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Miss Mary P Saiz, WHCNP

Q: What is the NPI number for Mary Saiz?

The National Provider Identifier (NPI) for Mary Saiz is 1538223771, a Type 1 (individual) record in the CMS NPPES registry.

Women's Health Nurse Practitioner in Lovington, NM · enumerated 2006.

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

National Provider Identifier

1538223771

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Registry record

Entity type Individual (Type 1)

Name Miss Mary P Saiz

Credential WHCNP

Sex Female

Practice address 1600 North Main, Lovington, NM, 88260

Phone (575) 396-6611

Fax (575) 396-1454

Enumeration date Dec 21, 2006

Last updated in NPPES Aug 17, 2017

Taxonomy & licenses

363LW0102X Women's Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 573502 (TX) Secondary

363LW0102X Women's Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License CNP00669 (NM) Primary

Other identifiers

Identifier	Type	State	Issuer
509510YNGG	Other	NM	PTAN
NM006J89	Other	NM	BCBS
25658522	Medicaid	NM	-

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 Mary Saiz practice?

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

What is the NPI number for Mary Saiz?

The National Provider Identifier (NPI) for Mary Saiz is 1538223771, 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 2017-08-17.