Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mechelle Elaine Williams, ACNP

Acute Care Nurse Practitioner in Katy, TX · enumerated 2007 · practices at Community Health Rx, LLC.

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

National Provider Identifier

1598986150

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Registry record

Entity type Individual (Type 1)

Name Mechelle Elaine Williams

Credential ACNP

Sex Female

Practice address 24275 Katy Fwy Ste 400, Katy, TX, 77494

Phone (346) 387-7171

Fax (844) 703-5305

Enumeration date May 1, 2007

Last updated in NPPES Mar 17, 2018

Taxonomy & licenses

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 597495 (TX) Primary

Other identifiers

Identifier	Type	State	Issuer
154569103	Medicaid	TX	-
1598986150	Other	TX	BLUE CROSS BLUE SHIELD

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 Mechelle Williams?

The National Provider Identifier (NPI) for Mechelle Williams is 1598986150, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mechelle Williams practice?

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

Other providers at this practice address

Browse all →

Charles Miller Geriatric Medicine (Family Medicine) Physician · Katy, TX NPI 1881681252 Valerie Cheatham Gerontology Nurse Practitioner · Katy, TX NPI 1235195595 Sue Tanner Family Nurse Practitioner · Katy, TX NPI 1275585531 Christine Stiles Psychiatric/Mental Health Nurse Practitioner · Katy, TX NPI 1386696367 Rhonda Hunsucker Gerontology Nurse Practitioner · Katy, TX NPI 1962415638 Maria Vogel Adult Health Nurse Practitioner · Katy, TX NPI 1770663015 Linda Kouba Nurse Practitioner · Katy, TX NPI 1437215258 Amadita Rodriguez Adult Health Nurse Practitioner · Katy, TX NPI 1114107539

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-03-17.