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

ALIZA TESS WILLIAMS DO
NPI 1245970409
Family Medicine in Knoxville, TN

Active since March 29, 2022PECOS Enrolled
1924 ALCOA HWY # U-67, KNOXVILLE, TN 37920(865) 305-5055 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 21, 2026, Jul 7, 2022 (2 updates tracked since 2022).

About Aliza Tess Williams Do NPPES

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

ALIZA TESS WILLIAMS DO (NPI 1245970409) is an individual family medicine provider in Knoxville, Tennessee, licensed in Tennessee (6843) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245970409
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameALIZA TESS WILLIAMSCredential: DO
Location Address1924 ALCOA HWY # U-67Knoxville, TN 37920-1511
Mailing Address1924 Alcoa Hwy # U-67Knoxville, TN 37920-1511 · (865) 305-5055
Sole ProprietorNo
Enumeration DateMarch 29, 2022
Last NPPES UpdateAugust 21, 20262 updates tracked since enumeration
NPPES CertifiedAugust 21, 2026
NPI 1245970409 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in TN · 6843
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1924 ALCOA HWY # U-67, Knoxville, TN 37920

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Aliza Tess Williams Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 37920 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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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.

Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Family Medicine
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Family Medicine
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Family Medicine
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920

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 Aliza Williams's NPI number?

The NPI number for Aliza Williams is 1245970409. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Where is Aliza Williams located?

Aliza Williams practices at 1924 Alcoa Hwy # U-67, Knoxville, TN 37920. The listed phone number is (865) 305-5055.

What is Aliza Williams's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Aliza Williams enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Aliza Williams was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.