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

Dr. Maria B. Williams, PH.D.

School Psychologist in Zuni, NM · enumerated 2007.

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

National Provider Identifier

1265561492

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Registry record

Entity type Individual (Type 1)

Name Dr. Maria B. Williams

Credential PH.D.

Sex Female

Practice address Zuni, NM, 87327

Phone (505) 782-5511

Fax (505) 782-5870

Enumeration date Mar 5, 2007

Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

103TS0200X School Psychologist Behavioral Health & Social Service Providers · License 000T7568 Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
000T7568	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

What is the NPI number for Maria Williams?

The National Provider Identifier (NPI) for Maria Williams is 1265561492, a Type 1 (individual) record in the CMS NPPES registry.

Where does Maria Williams practice?

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

Other providers at this practice address

Browse all →

Mark Romancito School Social Worker · Zuni, NM NPI 1033246665

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