Individual provider Active NPI

Rosendo L Island, LMFT

  • Marriage & Family Therapist
  • Oakland, CA
National Provider Identifier
1427132299
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
53985 Issued in CA
Practice address
3300 Webster St Ste 612
Oakland, CA 94609-3101
Phone
(855) 501-1004
NPI assigned
Oct 25, 2006
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Marriage & Family Therapist 106H00000X 53985 CA Primary

Addresses

Primary practice location

3300 Webster St Ste 612
Oakland, CA 94609-3101

Mailing address

3835 N Freeway Blvd Ste 100
Sacramento, CA 95834-1954

Other practice location 1

3300 Webster St Ste 804
Oakland, CA 94609-3123
Phone (855) 501-1004

Other names 1

  • Mr. Rosendo L Island Other name

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: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240909003543 CA Practitioner - Marriage and Family Therapist 8527508225 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Marriage and Family Therapist
Education
Other, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

3300 Webster St
Suite 804
Oakland, CA 94609-3123
Phone (855) 501-1004

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
53985CAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Mark David Levine M.D. Professional Corporation Marriage & Family Therapist Current Accepting new patients
Mark David Levine, MD Burlingame PC CurrentSince Aug 26, 2024 Accepting new patients
Mark David Levine, MD Oakland PC CurrentSince Aug 26, 2024 Accepting new patients

Locations

39899 Balentine Dr
Ste 210
Newark, CA 94560
Phone (510) 657-9700

3300 Webster St
Ste 612
Oakland, CA 94609
Phone (510) 654-5855

3300 Webster St
Ste 804
Oakland, CA 94609
Phone (510) 451-0996

3835 N Freeway Blvd
Ste 100
Sacramento, CA 95834
Phone (916) 576-7898

Organizations & group practices 3

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": "1161734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1427132299",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3835 N FREEWAY BLVD STE 100",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958341954"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3300 WEBSTER ST STE 612",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946093101",
            "telephone_number": "855-501-1004"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3300 Webster St Ste 804",
            "address_purpose": "LOCATION",
            "city": "Oakland",
            "state": "CA",
            "postal_code": "946093123",
            "country_code": "US",
            "telephone_number": "855-501-1004",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISLAND",
        "first_name": "ROSENDO",
        "middle_name": "L",
        "name_prefix": "Mr.",
        "credential": "LMFT",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-25",
        "last_updated": "2026-09-29",
        "certification_date": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "53985",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ROSENDO",
            "last_name": "ISLAND",
            "middle_name": "L",
            "prefix": "MR.",
            "credential": "LMFT",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Oakland, CA

Sources for this page

Verify at the official NPI Registry.