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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: October 25, 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 and is a graduate of Ohio University, College Of Osteopathic Medicine (2022).

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
Phone(865) 305-5055
Sole ProprietorNo
Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 2022
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
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company 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)

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

PECOS PAC ID4789065418
PECOS Enrollment IDI20260731002680
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 Reassignment

Medicare enrollment records show Aliza Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Tennessee
Same address
Medical Genetics, Ph.D. Medical Genetics
1930 ALCOA HWY STE 435, UT GENETICS CENTER
Knoxville, TN 37920
  • Reassigned Medicare billing, Tennessee enrollment
  • 95 clinicians in this Medicare group
NPI 1518037183 (865) 544-9030

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

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.

ZAID AHMAD MD
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Knox County (865) 305-9340
JACOB WILLIAMS
Family Medicine
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Knox County (865) 305-9350
DELANEE CHAJA
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Knox County (865) 305-9350
RYAN ALLEN SHILLINGBURG DO
Family Medicine
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Knox County (865) 305-9350
DR. SAVANNAH LYNN FUCHS MD
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Knox County (865) 305-9350
NAM ANH LE
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Knox County (865) 305-9350
JAMES DEAN WEBB MD
Family Medicine
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Knox County (865) 305-9350
SAMUEL EVAN MORGAN
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-67
KNOXVILLE, TN 37920
Knox County (865) 305-9350

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.

Which organization bills Medicare for Aliza Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aliza Williams reassigns Medicare benefits to University Of Tennessee (Knoxville, TN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aliza Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aliza Williams accept?

Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company and UnitedHealthcare list Aliza 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 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 2 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.