TAMARA DIANNE WILLIAMS NP
NPI 1831577311
Nurse Practitioner - Family in Rowlett, TX

Active since May 15, 2015PECOS EnrolledAccepts Medicare Assignment
7501 LAKEVIEW PKWY STE 245, ROWLETT, TX 75088(694) 626-1577(469) 626-1335 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 2, 2026, Feb 7, 2025, May 14, 2020 (3 updates tracked since 2020).

About Tamara Dianne Williams Np NPPES

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

TAMARA DIANNE WILLIAMS NP (NPI 1831577311) is an individual family provider in Rowlett, Texas, licensed in Texas (AP127991) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with Christus Mother Frances Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1831577311
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTAMARA DIANNE WILLIAMSCredential: NP
Location Address7501 LAKEVIEW PKWY STE 245Rowlett, TX 75088-9326
Mailing Address7501 Lakeview Pkwy Ste 245Rowlett, TX 75088-9326 · (469) 626-1577 · Fax (469) 626-1335
Fax(469) 626-1335
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMay 15, 2015
Last NPPES UpdateJune 2, 20263 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
NPI 1831577311 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in TX · AP127991
7501 LAKEVIEW PKWY STE 245, Rowlett, TX 75088

Secondary Practice Locations 2

Location 11610 S Jefferson AveMount Pleasant, TX 75455-5614 · Phone (903) 951-1001
Location 21339 S Broadway StSulphur Springs, TX 75482-4895 · Phone (903) 951-1001

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 and accepts Medicare assignment

Tamara Dianne Williams Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234432865
PECOS Enrollment IDI20160114001941
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.

Areas of Expertise CMS Part B claims 4

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
51 services51 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
29 services26 patients
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.
23 services22 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
17 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Mother Frances Hospital

Acute Care Hospitals · Tyler, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450102
Location800 East DawsonTyler, TX 75701 · Smith County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75088 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.

Neurological Surgery
7501 LAKEVIEW PKWY STE 245
ROWLETT, TX 75088
Clinic/Center (Primary Care)
7501 LAKEVIEW PKWY STE 245
ROWLETT, TX 75088
Anesthesiology (Pain Medicine)
7501 LAKEVIEW PKWY STE 245
ROWLETT, TX 75088
Physician Assistant (Surgical)
7501 LAKEVIEW PKWY STE 245
ROWLETT, TX 75088
Electrodiagnostic Medicine
7501 LAKEVIEW PKWY STE 245
ROWLETT, TX 75088
Internal Medicine
7501 LAKEVIEW PKWY STE 245
ROWLETT, TX 75088
Neurological Surgery
7501 LAKEVIEW PKWY STE 245
ROWLETT, TX 75088
Physician Assistant (Surgical)
7501 LAKEVIEW PKWY STE 245
ROWLETT, TX 75088

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 Tamara Williams's NPI number?

The NPI number for Tamara Williams is 1831577311. It was assigned to this individual provider in the NPPES registry on May 15, 2015.

Where is Tamara Williams located?

Tamara Williams practices at 7501 Lakeview Pkwy Ste 245, Rowlett, TX 75088. The listed phone number is (694) 626-1577.

What is Tamara Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Tamara Williams enrolled in Medicare?

Yes. Tamara Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Tamara Williams accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and UnitedHealthcare list Tamara 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.

Is Tamara Williams affiliated with any hospitals?

According to CMS data, Tamara Williams is affiliated with Christus Mother Frances Hospital.

When was this NPI record last updated?

The NPPES record for Tamara Williams was last updated on June 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.