Doctor Profile

Primary Care · Family Practice

Thomas B. Williamson

MD · Family Practice · George Washington University School Of Medicine
3-3420 KUHIO HWY
SUITE B
Lihue, HI 96766
✓ Accepts Medicare 💻 Offers Telehealth 🎓 36+ Years Practicing
552
Medicare Patients / yr
8
Procedures Billed
36
Years Practicing
2
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Thomas B. Williamson's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Williamson

See which plans Dr. Williamson accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Hawaii, the fastest way to find a Medicare plan that covers Dr. Williamson is to compare every Medicare Advantage and Part D plan available near 96766, HI — the Family Practice's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 96766, HI →

Or call the office at (808) 245-1500 to confirm acceptance directly.

What Dr. Williamson Does

Dr. Williamson served 552 Medicare patients across 755 services in the latest CMS reporting year. That's 87% above the average Family Practice in Hawaii (295 patients across 283 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 20-29 minutes (99213)268154
Established patient office or other outpatient visit, 30-39 minutes (99214)212135
Administration of influenza virus vaccine (G0008)7470
Influenza vaccine split virus, preservative free (90662)7369
Adm sarscv2 bvl 30mcg/.3ml a (0124A)3535

How to read this: "Services" are the total times Dr. Williamson billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Williamson is affiliated with 2 hospitals according to CMS Physician Compare. Below are the 2 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Wilcox Memorial Hospital

Lihue, HI
★★☆☆☆ 2/5 CMS Rating

Kauai Veterans Memorial Hospital

Waimea, HI
Rating not available

Practice Location & Telehealth Readiness

Dr. Williamson practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Williamson offers telehealth — broadband availability at your home matters for virtual visits.

Address: 3-3420 KUHIO HWY, SUITE B, Lihue, HI 96766
Phone: (808) 245-1500

Area Safety Grade

C-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

21 min

Average commute time in this zip · 91% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

97.3749

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Primary Care Doctors near 96766, HI

If Dr. Williamson isn't accepting new patients or isn't in your plan's network, these are the closest primary care doctors near 96766, HI:

DoctorSpecialtyMedicare Patients / yrDistance
Lilybeth C. SistozaInternal Medicine—<1 mi
Rainier Dennis D. BautistaFamily Practice405<1 mi
Dennis R. ScheppersFamily Practice400<1 mi
Edward S. LansonGeneral Practice464<1 mi
Charlie SonidoInternal Medicine581<1 mi
Emily B. LucenteNurse Practitioner288<1 mi

View all primary care doctors near 96766, HI →

How to Use This Information

Choosing a Medicare plan that covers Dr. Williamson takes three steps:

Compare Medicare Plans near 96766, HI → All Doctors near 96766, HI

Thomas B. Williamson: Common Questions

Does Dr. Williamson accept Medicare?
Yes. Dr. Williamson is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Williamson depends on that plan's provider network. Compare Medicare plans near 96766, HI →
Where is Dr. Williamson's office?
Dr. Williamson practices at 3-3420 KUHIO HWY, SUITE B, Lihue, HI 96766. Phone: (808) 245-1500.
What Medicare plans does Dr. Williamson accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (808) 245-1500 to confirm your specific plan is accepted, or compare all Medicare plans near 96766, HI to see available options.
Does Dr. Williamson offer telehealth visits?
Dr. Williamson is registered with Medicare as offering telehealth services. Most Medicare Advantage plans cover telehealth visits at the same or similar cost as in-person visits. Check broadband availability in your area to ensure reliable connectivity for video visits.
How experienced is Dr. Williamson?
Dr. Williamson graduated in 1990 and has been practicing for approximately 36 years. In the latest CMS reporting year, Dr. Williamson treated 552 Medicare patients across 8 distinct procedure types.
How do I know if Dr. Williamson is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (808) 245-1500 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile → • LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology → • Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Primary Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 96766, HI:

Does your Medicare plan cover Dr. Williamson?

Compare Plans near 96766, HI →