MR. DEXTER DEWAYNE WILLIAMS PMHNP-BC
NPI 1447084306
Nurse Practitioner - Psychiatric/Mental Health in Duncanville, TX

Active since August 31, 2024PECOS Enrolled
777 E WHEATLAND RD STE 101, DUNCANVILLE, TX 75116(972) 283-6799 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 5, 2025, May 8, 2025, Mar 17, 2025 (3 updates tracked since 2025).

About Mr. Dexter Dewayne Williams Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. DEXTER DEWAYNE WILLIAMS PMHNP-BC (NPI 1447084306) is an individual psychiatric/mental health provider in Duncanville, Texas, licensed in New York (406307) and active in the NPI registry since August 2024. He is enrolled in Medicare PECOS, maintains a secondary practice location in Brooklyn, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1447084306
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMR. DEXTER DEWAYNE WILLIAMSCredential: PMHNP-BC
Location Address777 E WHEATLAND RD STE 101Duncanville, TX 75116-4918
Mailing Address644 Bodark StNew Braunfels, TX 78132-0183
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 31, 2024
Last NPPES UpdateSeptember 5, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2025
NPI 1447084306 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in NY · 406307 Licensed in TX · 1171171
777 E WHEATLAND RD STE 101, Duncanville, TX 75116

Secondary Practice Location 1

Location 14105 Avenue VBrooklyn, NY 11234-5157 · Phone (915) 740-2780 · Fax (347) 647-2540

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. Dexter Dewayne Williams Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901327881
PECOS Enrollment IDI20250617001967
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75116 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Professional)
777 E WHEATLAND RD STE 101
DUNCANVILLE, TX 75116
Counselor (Professional)
777 E WHEATLAND RD STE 101
DUNCANVILLE, TX 75116
Counselor (Professional)
777 E WHEATLAND RD STE 101
DUNCANVILLE, TX 75116
Case Manager/Care Coordinator
777 E WHEATLAND RD STE 101
DUNCANVILLE, TX 75116
Counselor (Professional)
777 E WHEATLAND RD STE 101
DUNCANVILLE, TX 75116
Counselor (Professional)
777 E WHEATLAND RD STE 101
DUNCANVILLE, TX 75116
Counselor (Professional)
777 E WHEATLAND RD STE 101
DUNCANVILLE, TX 75116
Case Manager/Care Coordinator
777 E WHEATLAND RD STE 101
DUNCANVILLE, TX 75116

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dexter Williams's NPI number?

The NPI number for Dexter Williams is 1447084306. It was assigned to this individual provider in the NPPES registry on August 31, 2024.

Where is Dexter Williams located?

Dexter Williams practices at 777 E Wheatland Rd Ste 101, Duncanville, TX 75116. The listed phone number is (972) 283-6799.

What is Dexter Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Dexter Williams enrolled in Medicare?

Yes. Dexter Williams is registered in the Medicare PECOS enrollment system.

What insurance does Dexter Williams accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and UnitedHealthcare list Dexter Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dexter Williams was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.