Individual provider Active NPI

William George Saba, NP

  • Gerontology Nurse Practitioner
  • Orange, CA
National Provider Identifier
1881427243
Registry record updated Oct 30, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gerontology Nurse PractitionerTaxonomy code 363LG0600X
License
95031429 Issued in CA
Practice address
101 The City Dr S
Orange, CA 92868-3201
Phone
(951) 415-3690
NPI assigned
Aug 21, 2024
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 30, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gerontology Nurse Practitioner 363LG0600X 95031429 CA Primary

Addresses

Primary practice location

101 The City Dr S
Orange, CA 92868-3201

Mailing address

101 The City Dr S
Orange, CA 92868-3201
Phone (951) 415-3690

Medicare participation

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

Enrollment IDStateProvider typePAC IDDetails
I20241106000164 CA Practitioner - Nurse Practitioner 3971037540 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The Regents of the University of California-IrvineGroup PAC ID 3971609611, 116 clinicians
Regents of the University of CaliforniaGroup PAC ID 4486550183, 48 clinicians
University Surgeons of Orange a Medical GroupGroup PAC ID 6901705227, 116 clinicians
Uci Department of UrologyGroup PAC ID 6901799238, 51 clinicians

Practice addresses (Care Compare)

101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-7890

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
95031429CAMDGerontology Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of California CurrentSince Oct 13, 2025 Accepting new patients
Regents of the University of CurrentSince Jul 7, 2025 Accepting new patients
University Head & Neck Surgeons CurrentSince Oct 13, 2025 Accepting new patients
The Regents of the University of California-Irvine CurrentSince Nov 25, 2024 Accepting new patients
Uci Department of Urology CurrentSince Oct 13, 2025 Accepting new patients
University Surgeons of Orange a Medical Group CurrentSince Sep 2, 2025 Accepting new patients
Regents of the University of California CurrentSince Oct 13, 2025 Accepting new patients
Regents of the University of California CurrentSince Oct 13, 2025 Accepting new patients
University of California Irvine Past Accepting new patients

Locations

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

200 S Manchester Ave
Ste 300
Orange, CA 92868
Phone (714) 424-9001

101 The City Dr S
Bldg 29
Orange, CA 92868
Phone (714) 456-7005

101 The City Dr S
Bldg 25
Orange, CA 92868
Phone (714) 456-5731

Organizations & group practices 9

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1724198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1730246400000",
    "number": "1881427243",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "951-415-3690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "951-415-3690"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SABA",
        "first_name": "WILLIAM",
        "middle_name": "GEORGE",
        "credential": "NP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2024-08-21",
        "last_updated": "2024-10-30",
        "certification_date": "2024-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "CA",
            "license": "95031429",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.