Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TONYA WILLIAMS NP
NPI 1700590353
Nurse Practitioner - Psychiatric/Mental Health in Houston, TX

Q: What is Tonya Williams's NPI number?

The NPI number for Tonya Williams is 1700590353. It was assigned to this individual provider in the NPPES registry on January 9, 2023.

Q: What is Tonya Williams's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tonya Williams was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.

Active since January 09, 2023PECOS Enrolled

440 LOUISIANA ST STE 900, HOUSTON, TX 77002(281) 683-5478(713) 583-2830 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 9, 2026, Aug 12, 2026, Mar 4, 2026 and 1 more (4 updates tracked since 2023).

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About Tonya Williams Np NPPES

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

TONYA WILLIAMS NP (NPI 1700590353) is an individual psychiatric/mental health provider in Houston, Texas, licensed in Texas (1099455) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1700590353

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameTONYA WILLIAMSCredential: NP

Location Address440 LOUISIANA ST STE 900Houston, TX 77002-1062

Mailing Address440 Louisiana St Ste 900Houston, TX 77002-1062 · (346) 898-3720 · Fax (713) 583-2830

Phone(281) 683-5478

Fax(713) 583-2830

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateJanuary 9, 2023

Last NPPES UpdateOctober 9, 20264 updates tracked since enumeration

NPPES CertifiedOctober 9, 2026

✔ NPI 1700590353 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

License✔ Licensed in TX · 1099455

440 LOUISIANA ST STE 900, Houston, TX 77002

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare, UnitedHealthcare and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tonya Williams Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214309699

PECOS Enrollment IDI20230213000772

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.

Medicare Billing Reassignments

Medicare enrollment records show Tonya Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Calmistry Mental Health LLC

Same address

Psychiatric/Mental Health

440 LOUISIANA ST STE 900
Houston, TX 77002

Reassigned Medicare billing, Texas enrollment

NPI 1811843758 (281) 683-5478

Spindletop Mhmr Services

77 mi

Mental Health

2750 S 8TH ST
Beaumont, TX 77701

Reassigned Medicare billing, Texas enrollment
100 clinicians in this Medicare group

NPI 1467517656 (409) 839-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

61 services17 patients

Telehealth originating site facility fee Q3014

The Telehealth originating site facility fee is a charge for the location where you receive your telehealth service, such as a clinic or hospital. It covers costs like equipment use, technical support, and other resources needed to provide a secure, effective telehealth visit.

50 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77002 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

$90.40 typical visit price

range $58.24 – $176.98

Typical copayment $22.60 (range $14.56 – $44.24)

Most-billed visit code 99203

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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 20

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

BRITTNEY A WILLIAMS M.D.

Obstetrics & Gynecology