Individual provider Active NPI

Irene Marinas-Oliver, RD

  • Renal Nutrition Registered Dietitian
  • Riverside, CA
National Provider Identifier
1437343654
Registry record updated Aug 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Renal Nutrition Registered DietitianTaxonomy code 133VN1005X
License
806369 Issued in CA
Practice address
12222 Brianwood Dr
Riverside, CA 92503-6752
Phone
(951) 333-3515
Fax
(951) 688-6857
NPI assigned
Aug 30, 2007
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Renal Nutrition Registered Dietitian 133VN1005X 806369 CA Primary

Addresses

Primary practice location

12222 Brianwood Dr
Riverside, CA 92503-6752

Mailing address

12222 Brianwood Dr
Riverside, CA 92503-6752
Phone (951) 333-3515

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20081209000281 CA Practitioner - Registered Dietitian Or Nutrition Professional 8022070127 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
I&E Nutrition Services Inc CurrentSince Nov 11, 2019 Accepting new patients
Caduceus Physicians Medical Group PastSince Jan 15, 2016 Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1188432000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1437343654",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12222 BRIANWOOD DR",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925036752",
            "telephone_number": "951-333-3515",
            "fax_number": "866-534-7560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12222 BRIANWOOD DR",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925036752",
            "telephone_number": "951-333-3515",
            "fax_number": "951-688-6857"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARINAS-OLIVER",
        "first_name": "IRENE",
        "credential": "RD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-08-30",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133VN1005X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Renal",
            "state": "CA",
            "license": "806369",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Riverside, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.