Mpio ASC, PLLC

Primary specialty

Pain Medicine (Anesthesiology) PhysicianTaxonomy code 207LP2900X

Legal business name

MPIO ASC, PLLC

Practice address

1622 Highway 30 E
Oxford, MS 38655-2319

Phone

(662) 371-0122

NPI assigned

Sep 11, 2025

Last updated

Nov 3, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Pain Management Consultants, MD

Title

Medical Director

Phone

(662) 371-0122

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MS

Enrollment records 1

NPI to CCN mapping 1

The Medicare certification numbers (CCNs) connected to NPI 1265313407. Details of each certification follow.

• CCN 25C0001117 Ambulatory surgical center · Active · Name & address match · Details

Ambulatory surgical center certification: CCN 25C0001117

Legal name

MPIO ASC, PLLC

Certification status

Active

Provider type (POS)

Ambulatory surgical center

Participating since

Feb 10, 2026

Last certification

Feb 6, 2026

Facility address

1622 Highway 30 East
Oxford, MS 38655

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Rex B Williams, M.D.

  • Pain Medicine (Anesthesiology) Physician
  • Starkville, MS
  • NPI 1821034596
  NPD (past)

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

{
    "created_epoch": "1757548800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1762128000000",
    "number": "1265313407",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1622 HIGHWAY 30 E",
            "city": "OXFORD",
            "state": "MS",
            "postal_code": "386552319",
            "telephone_number": "662-371-0122"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1622 HIGHWAY 30 E",
            "city": "OXFORD",
            "state": "MS",
            "postal_code": "386552319",
            "telephone_number": "662-371-0122"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MPIO ASC, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-09-11",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A",
        "authorized_official_last_name": "CONSULTANTS",
        "authorized_official_first_name": "PAIN MANAGEMENT",
        "authorized_official_title_or_position": "MEDICAL DIRECTOR",
        "authorized_official_telephone_number": "662-371-0122",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Anesthesiology, Pain Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Pain Medicine (Anesthesiology) Physician in Oxford, MS
• Providers in Oxford, 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 Nov 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.