Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary A Williams, DNP, FNP-BC, PMHNP-C

Family Nurse Practitioner in Clarksdale, MS · enumerated 2007 · practices at Urgent & Primary Care of Clarksdale LLC.

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

National Provider Identifier

1184806150

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Registry record

Entity type Individual (Type 1)

Name Mary A Williams

Credential DNP, FNP-BC, PMHNP-C

Sex Female

Practice address 125 Highway 322, Clarksdale, MS, 38614

Phone (662) 351-1970

Enumeration date Dec 3, 2007

Last updated in NPPES Apr 22, 2026

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 854909 (MS) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R854909 (MS) Primary

DNP · Doctor of Nursing Practice: A clinical doctorate for advanced practice nurses. About the DNP credential

Other identifiers

Identifier	Type	State	Issuer
08038821	Medicaid	MS	-

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 Mary Williams?

The National Provider Identifier (NPI) for Mary Williams is 1184806150, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Williams practice?

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

Other providers at this practice address

Browse all →

Urgent & Primary Care of Clarksdale LLC Psychiatry Physician · Clarksdale, MS NPI 1013444058 Marian Smith Nurse Practitioner · Clarksdale, MS NPI 1215426036 Kristalin Presley Family Nurse Practitioner · Clarksdale, MS NPI 1841817707

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-22.