Dr. Rex B. Williams
- Gender: Male
- Experience: 20 years
- Graduated from: University Of Mississippi School Of Medicine
- Graduation year: 2001
- Sole propriator: No
- NPI: 1821034596
Dr. Rex B. Williams M.D.
Anesthesiologist
He is located at 107 Doctors Park in Starkville, MS 39759. Can help patients with the following: Car Accident Injuries, General Anesthesia, Low Back Pain, Painful Disorders, Peripheral Nerve Injuries, Wrist Surgery. His National Provider Identifier (NPI) number is 1821034596. Appointment can be made via the phone number (662) 615-3751. He is affiliated with 3 practices.
Conditions treated
Dr. Rex B. Williams, being an anesthesiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Rex B. Williams.
- Acute Pain
- Back Pain
- Car Accident Injuries
- Chronic Pain
- Diabetic Neuropathy
- Epidural Steroid Injection
- General Anesthesia
- Low Back Pain
- Myofascial Pain Syndrome (MPS)
- Nerve Damage
- Pain Medication Management
- Painful Disorders
- Peripheral Nerve Injuries
- Radiofrequency Ablation
- Regional Anesthesia
- Sedation
- Wrist Surgery
Procedures Performed by Dr. Rex B. Williams
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Rex B. Williams as in-network for the following 2026 plans.
Health plans
Oscar Health Plan, Inc.
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 7 plans from Oscar Health Plan, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Rex B. Williams is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Rex B. Williams is enrolled to bill Medicare as a Practitioner - Pain Management (also registered under: Practitioner - Anesthesiology) .
Bills through: South Sunflower County Hospital
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Medtronic | $3872 |
| Abbott Laboratories | $2734 |
| Depuy | $1522 |
Other
| Food and Beverage | $13297 |
| Travel and Lodging | $3242 |
| Promotional Speaking or Service | $653 |
Studies
UNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated in 2001Additional Specialities
- Pain Medicine Specialist
Affiliated practices
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Questions & Answers
Does Dr. Rex B. Williams have affiliation with practices?
Dr. Rex B. Williams is affiliated with Anesthesia Services Associates. For the full list of practices see this list.
Does Dr. Rex B. Williams accept patients with Oscar Health Plan, Inc.?
Yes, Dr. Rex B. Williams is listed in-network for Oscar Health Plan, Inc. through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Rex B. Williams?
Dr. Rex B. Williams's office is located at 107 Doctors Park in Starkville, MS 39759.
What conditions does Dr. Rex B. Williams treat?
Dr. Rex B. Williams provides treatment for Car Accident Injuries, General Anesthesia, Low Back Pain, Painful Disorders, Peripheral Nerve Injuries, Wrist Surgery. For the full list see this list.