Rex B Williams, M.D.

Primary specialty

Pain Medicine (Anesthesiology) PhysicianTaxonomy code 207LP2900X

License

19128 Issued in MS

Practice address

107 Doctors Park
Starkville, MS 39759-2174

Phone

(662) 615-3751

Fax

(662) 615-3754

NPI assigned

Jun 21, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MS, GA, AL3 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 3

Specialty

Pain ManagementAlso: Anesthesiology

Education

Mississippi Medical College, 2001

Medicare assignment

May accept Medicare assignment

Group practices

Russellville Hospital Inc.Group PAC ID 3476878489, 66 clinicians

Ms Pain Institute Oxford PLLCGroup PAC ID 1052852365, 5 clinicians

Och Professional ServicesGroup PAC ID 9739252396, 31 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Russellville Hospital Hospital, Russellville, AL, CCN 010158
• Baptist Memorial Hospital-Oktibbeha County Hospital, Starkville, MS, CCN 250050

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rex.williams.1@19675.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Ms Pain Institute Oxford PLLC

  • Pain Medicine Physician
  • Oxford, MS
  • NPI 1518703024
  Medicare reassignment Care Compare group NPD
• Och Professional Services

  • Multi-Specialty Clinic/Center
  • Starkville, MS
  • NPI 1225202666
  Medicare reassignment Care Compare group NPD
• Russellville Hospital Inc

  • Family Medicine Physician
  • Russellville, AL
  • NPI 1780232314
  Medicare reassignment Care Compare group NPD
• Och Center for Pain Management

  • Pain Clinic/Center
  • Starkville, MS
  • NPI 1902965866
  Medicare reassignment NPD
• South Sunflower County Hospital

  • General Acute Care Hospital
  • Indianola, MS
  • NPI 1184679292
  Medicare reassignment NPD
• Strategic Solutions-Panola Medical Center LLC

  • Rural Health Clinic/Center
  • Batesville, MS
  • NPI 1700349222
  Medicare reassignment NPD
• Baptist Memorial Medical Group Inc

  • Internal Medicine Physician
  • Memphis, TN
  • NPI 1306089206

  MS

  Medicare reassignment NPD
• Tallahassee Neurology Specialists, P.L.

  • Multi-Specialty Clinic/Center
  • Tallahassee, FL
  • NPI 1326357005

  GA

  Medicare reassignment
• Pain Management Center of North

  • Pain Clinic/Center
  • Tupelo, MS
  • NPI 1811928724
  NPD
• South Sunflower County Hospital

  • Anesthesiology Physician
  • Indianola, MS
  • NPI 1407064454
  NPD
• South Sunflower County Hospital

  • Advanced Practice Midwife
  • Indianola, MS
  • NPI 1962395863
  NPD
• Strategic Solutions-Panola Medical Center LLC

  • Rural Acute Care Hospital
  • Batesville, MS
  • NPI 1053873307
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Baptist Memorial Hosp Oktibbeha County Inc.

  • Rural Acute Care Hospital
  • Starkville, MS
  • NPI 1346112521
  Care Compare affiliation
• Russellville Hospital Inc.

  • Rural Acute Care Hospital
  • Russellville, AL
  • NPI 1316015241
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1150848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759708800000",
    "number": "1821034596",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "350 N HUMPHREYS BLVD STE 201",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "381202177",
            "telephone_number": "901-226-4003",
            "fax_number": "901-227-8591"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "107 DOCTORS PARK",
            "city": "STARKVILLE",
            "state": "MS",
            "postal_code": "397592174",
            "telephone_number": "662-615-3751",
            "fax_number": "662-615-3754"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "120 Stone Creek Blvd",
            "address_2": "Suite 500",
            "address_purpose": "LOCATION",
            "city": "Flowood",
            "state": "MS",
            "postal_code": "392328205",
            "country_code": "US",
            "telephone_number": "601-420-2040",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "400 Hospital RD",
            "address_purpose": "LOCATION",
            "city": "Starkville",
            "state": "MS",
            "postal_code": "397592163",
            "country_code": "US",
            "telephone_number": "662-323-4230",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "REX",
        "middle_name": "B",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-21",
        "last_updated": "2025-10-06",
        "certification_date": "2025-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "FL",
            "license": "ME92922",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "MS",
            "license": "19128",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN",
            "identifier": "302G708049",
            "state": "MS"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alyka H Williams, M.S., CCC-SLP
• Amanda Beth Williams, LPTA
• Eileen Yvette Williams, BSN, RN, NCSN
• Jessica Seante Williams
• Kenny Marshall Lee Williams
• Connie N Wilson, MED
• Lula C. Wilson, C.F.N.P.
• Angela Nicole Winders, PHARMD
• Windham and Rentrop Urology PLLC
• Windham and Rentrop Urology PLLC

• Pain Medicine (Anesthesiology) Physician in Starkville, MS
• Providers in Starkville, MS by specialty
• Pain Medicine (Anesthesiology) Physician in Mississippi

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.