Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Rex B Williams, MD

Individual provider Pain Medicine (Anesthesiology) Physician · NPI 1821034596

Rex B Williams, MD is a Pain Management in Starkville, Mississippi. Graduated from Mississippi Medical College in 2001, 25 years ago. Practices with Russellville Hospital Inc, a 68-clinician group and works from 3 locations. Licensed in Florida and Mississippi.

Years since qualifying
25
Trained at
Mississippi Medical College
Licensed in
FL, MS
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

107 Doctors Park
Starkville, MS 39759-2174
Phone: (662) 615-3751
Fax: (662) 615-3754
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 120 Stone Creek Blvd, Flowood, MS 39232-8205 — (601) 420-2040
  • 400 Hospital Rd, Starkville, MS 39759-2163 — (662) 323-4230

Specialties & licences

Pain Medicine (Anesthesiology) Physician (primary) Taxonomy 207LP2900X · Licence 19128 (MS)
Pain Medicine (Anesthesiology) Physician Taxonomy 207LP2900X · Licence ME92922 (FL)

Record details

NPI number1821034596
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2006
Last updated in NPPESOctober 6, 2025
Certification dateOctober 6, 2025
Mailing address350 N Humphreys Blvd Ste 201, Memphis, TN 38120-2177

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPAIN MANAGEMENT
Also practisesANESTHESIOLOGY
Medical schoolMISSISSIPPI MEDICAL COLLEGE
Graduated 2001 (25 years in practice)
Group practice Russellville Hospital Inc. — 68 clinicians
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare