Olivia Isabella Williams, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

345511 Issued in LA

Practice address

1514 Jefferson Hwy
New Orleans, LA 70121-2429

Phone

(504) 842-4000

NPI assigned

Jan 3, 2024

Last updated

Apr 24, 2025By the provider in NPPES

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

Other names 1

• Isabella Williams Other name

Medicare fee-for-service enrollment

Enrolled in LA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ochsner Clinic LLCGroup PAC ID 8224933619, 2,845 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ochsner Medical Center Acute Hospital, New Orleans, LA, CCN 190036
• St Tammany Parish Hospital Hospital, Covington, LA, CCN 190045

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: owilliams2414400@direct.ochsner.org

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

• Ochsner Clinic LLC

  • General Practice Physician
  • New Orleans, LA
  • NPI 1538151428
  Medicare reassignment Care Compare group
• Ochsner Clinic LLC

  dba Diabetes Prevention Program

  • Registered Dietitian
  • Covington, LA
  • NPI 1013747039
  NPD
• Ochsner Clinic LLC

  dba Ochsner Urgent Care - Mid-City

  • General Practice Physician
  • New Orleans, LA
  • NPI 1932648714
  NPD

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

• Ochsner Clinic Foundation

  dba Ochsner Medical Center Acute

  • General Acute Care Hospital
  • New Orleans, LA
  • NPI 1811973100
  Care Compare affiliation
• St Tammany Parish Hospital Service District No 1

  dba St Tammany Physicians Network

  • Internal Medicine Physician
  • Covington, LA
  • NPI 1083793582

  Hospital

  Care Compare affiliation
• St Tammany Parish Hospital Service District No 1

  dba Northlake Pulmonary Associates at St Tammany Parish Hospital

  • Pulmonary Disease Physician
  • Covington, LA
  • NPI 1285285874

  Hospital

  Care Compare affiliation
• St. Tammany Parish Hospital Service District No 1

  dba St. Tammany Parish Hospital

  • General Acute Care Hospital
  • Covington, LA
  • NPI 1598798597
  Care Compare affiliation

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

{
    "created_epoch": "1704240000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745452800000",
    "number": "1790555688",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 E WILLIAM DAVID PKWY",
            "city": "METAIRIE",
            "state": "LA",
            "postal_code": "700052818",
            "telephone_number": "850-619-7506"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1514 JEFFERSON HWY",
            "city": "NEW ORLEANS",
            "state": "LA",
            "postal_code": "701212429",
            "telephone_number": "504-842-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1617 Marshall Hollow Dr",
            "address_purpose": "LOCATION",
            "city": "Nashville",
            "state": "TN",
            "postal_code": "372033067",
            "country_code": "US",
            "telephone_number": "850-619-7506",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "OLIVIA",
        "middle_name": "ISABELLA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-01-03",
        "last_updated": "2025-04-24",
        "certification_date": "2025-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "LA",
            "license": "345511",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ISABELLA",
            "last_name": "WILLIAMS",
            "credential": "PA-C",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Nekira Williams, PLPC
• Nina Michelle Williams, PHARM. D.
• Noah Ahmad Williams, DDS
• Nolfris Williams
• Olivia Inez Williams, DO
• Quriyan Mijon Williams
• Railyn J Williams
• Rasheedah Naimah Williams
• Rhonda Duncan Williams, BS
• Ricky Van Williams

• Physician Assistant in New Orleans, LA
• Providers in New Orleans, LA by specialty
• Physician Assistant in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 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.