Marissa Williams

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

AP140647 Issued in TX

Practice address

2401 S 31St St
Temple, TX 76508-8862

Phone

(254) 724-1111

NPI assigned

May 17, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX, SC2 enrollments

Enrollment records 2

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Celebrity Anesthesia PLLCGroup PAC ID 8325467608, 23 clinicians

Austin Anesthesiology Group PLLCGroup PAC ID 0547256497, 430 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St David'S South Austin Medical Center Hospital, Austin, TX, CCN 450713
• St David'S Medical Center Hospital, Austin, TX, CCN 450431

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations (25 of 27)

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.

• Austin Anesthesiology Group, PLLC

  • Anesthesiology Physician
  • Austin, TX
  • NPI 1598724304

  Nurse Anesthetist, Certified Registered

  Medicare reassignment Care Compare group NPD
• Celebrity Anesthesia PLLC

  • Anesthesiology Physician
  • Austin, TX
  • NPI 1679193197
  Medicare reassignment Care Compare group NPD
• Austin Gastroenterology Anesthesia Associates PLLC

  • Anesthesiology Physician
  • Austin, TX
  • NPI 1427405810

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Anesthesia Dynamics LLC

  • Anesthesiology Physician
  • Bradenton, FL
  • NPI 1073001012

  Nurse Anesthetist, Certified Registered, TX

  Medicare reassignment NPD
• North Charleston Sedation Associates, LLC

  • Certified Registered Nurse Anesthetist
  • Summerville, SC
  • NPI 1255185971

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Austin Anesthesiology Group PLLC

  • Anesthesiology Physician
  • Bryan, TX
  • NPI 1528326154
  NPD
• PPCP Endoscopy LLC

  • Ambulatory Surgical Clinic/Center
  • Summerville, SC
  • NPI 1093408361
  NPD (past)

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

• St. David'S Healthcare Partnership, L.P., LLP

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1679528889
  Care Compare affiliation
• St. Davids Healthcare Partnership, L.P., LLP

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1720033947
  Care Compare affiliation

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

{
    "created_epoch": "1526515200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1992295737",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 MAROON LN",
            "city": "KYLE",
            "state": "TX",
            "postal_code": "786402394",
            "telephone_number": "860-912-8289"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2401 S 31ST ST",
            "city": "TEMPLE",
            "state": "TX",
            "postal_code": "765088862",
            "telephone_number": "254-724-1111"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8140 N Mopac Expy Ste 3-210",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787598862",
            "country_code": "US",
            "telephone_number": "860-912-8289",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MARISSA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-17",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "TX",
            "license": "AP140647",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joshua Edward Williams, PTA
• Kathleen Boren Williams, MCSD
• Kendra Elaine Williams, CLINICAL CPHT
• Kenneth Dean Williams, M.D.
• Lindsey Jennifer Williams, CRNA
• Melody Mallory Williams, PA-C
• Micaela Rose Williams
• Nikki Williams, PAC
• Richard Earl Williams, R.PH., M.S.
• Solomon Seffia Williams, M.D.

• Certified Registered Nurse Anesthetist in Temple, TX
• Providers in Temple, TX by specialty
• Certified Registered Nurse Anesthetist in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.