Doctor Profile

Orthopedic & Rehab · Pain Management

Rex Williams

MD · Pain Management · Mississippi Medical College
15225 HWY 43
Russellville, AL 35653
✓ Accepts Medicare 🎓 25+ Years Practicing
3.8K
Medicare Patients / yr
29
Procedures Billed
25
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 Rex Williams'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. Williams

See which plans Dr. Williams accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Alabama, the fastest way to find a Medicare plan that covers Dr. Williams is to compare every Medicare Advantage and Part D plan available near 35653, AL — the Pain Management's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 35653, AL →

Or call the office at (256) 331-2700 to confirm acceptance directly.

What Dr. Williams Does

Dr. Williams served 3,822 Medicare patients across 13,534 services in the latest CMS reporting year. That's 180% above the average Pain Management in Alabama (1,363 patients across 32 doctors).

ProcedureServicesMedicare Patients
Injection, dexamethasone sodium phosphate, 1 mg (J1100)4,418362
Injection, midazolam hydrochloride, per 1 mg (J2250)2,783366
Injection, propofol, 10 mg (J2704)1,775122
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)647312
Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)614246

How to read this: "Services" are the total times Dr. Williams 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. Williams 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.

Och Regional Medical Center

Starkville, MS
★★☆☆☆ 2/5 CMS Rating

Russellville Hospital

Russellville, AL
★★☆☆☆ 2/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 15225 HWY 43, Russellville, AL 35653
Phone: (256) 331-2700

Area Safety Grade

D+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

31 min

Average commute time in this zip · 97% 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

47.8139

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

Get directions on Google Maps →

Other Orthopedic & Rehab Doctors near 35653, AL

If Dr. Williams isn't accepting new patients or isn't in your plan's network, these are the closest orthopedic and rehab doctors near 35653, AL:

DoctorSpecialtyMedicare Patients / yrDistance
Lloyd C. DyasOrthopedic Surgery7451.7 mi
Mark O. AwoniyiPhysical Medicine And Rehabilitation10344.0 mi
John R. RobertsPain Management75544.4 mi
Robert S. TapscottOrthopedic Surgery2.6K44.6 mi
John R. RiehlOrthopedic Surgery1.7K44.6 mi
Russell L. EllisPhysical Medicine And Rehabilitation1.5K44.6 mi

View all orthopedic and rehab doctors near 35653, AL →

How to Use This Information

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

Compare Medicare Plans near 35653, AL → All Doctors near 35653, AL

Rex Williams: Common Questions

Does Dr. Williams accept Medicare?
Yes. Dr. Williams is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Williams depends on that plan's provider network. Compare Medicare plans near 35653, AL →
Where is Dr. Williams's office?
Dr. Williams practices at 15225 HWY 43, Russellville, AL 35653. Phone: (256) 331-2700.
What Medicare plans does Dr. Williams accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (256) 331-2700 to confirm your specific plan is accepted, or compare all Medicare plans near 35653, AL to see available options.
Does Dr. Williams offer telehealth visits?
CMS does not currently list Dr. Williams as offering telehealth. Call the office at (256) 331-2700 to confirm whether virtual visits are available.
How experienced is Dr. Williams?
Dr. Williams graduated in 2001 and has been practicing for approximately 25 years. In the latest CMS reporting year, Dr. Williams treated 3,822 Medicare patients across 29 distinct procedure types.
How do I know if Dr. Williams 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 (256) 331-2700 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 Orthopedic & Rehab Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 35653, AL:

Does your Medicare plan cover Dr. Williams?

Compare Plans near 35653, AL →