Marta Laura Loewen, CADC I (CA)

Primary specialty

Case Manager/Care CoordinatorTaxonomy code 171M00000X

License

AII63320522 Issued in CA

Practice address

3316 W Beverly Blvd
Montebello, CA 90640-1537

Phone

(323) 722-4529

Fax

(323) 722-4450

NPI assigned

Mar 27, 2012

Last updated

Jul 16, 2026By 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 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Desert Comprehensive Treatment Center

  • Comprehensive Outpatient Rehabilitation Facility (CORF)
  • Palm Springs, CA
  • NPI 1487531927
  NPD (past)
• WCHS Inc.

  dba Desert Treatment Clinic

  • Methadone Clinic
  • Palm Springs, CA
  • NPI 1215947775
  NPD (past)

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

{
    "created_epoch": "1332806400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1942576673",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3316 W BEVERLY BLVD",
            "city": "MONTEBELLO",
            "state": "CA",
            "postal_code": "906401537",
            "telephone_number": "323-722-4529",
            "fax_number": "323-722-4450"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3316 W BEVERLY BLVD",
            "city": "MONTEBELLO",
            "state": "CA",
            "postal_code": "906401537",
            "telephone_number": "323-722-4529",
            "fax_number": "323-722-4450"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Harbor Blvd",
            "address_purpose": "LOCATION",
            "city": "Belmont",
            "state": "CA",
            "postal_code": "940024018",
            "country_code": "US",
            "telephone_number": "650-817-9070",
            "fax_number": "650-246-3838",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LOEWEN",
        "first_name": "MARTA",
        "middle_name": "LAURA",
        "credential": "CADC I (CA)",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-03-27",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "AII063320522",
            "primary": false
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": "CA",
            "license": "AII63320522",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Fenny Kuan Lin, NP-C
• Jack Chik-Pui Ling, M.D.
• Hao Yi Liu, DDS
• Maria Cecille Tadiar Lizardo, SLPA
• Daniel Llanos
• Waikin Harry Loong, RPH
• Aurora S Lopez, AMFT
• Bernadino Lopez
• Cecilia Amador Lopez, FNP
• Jessica Lopez

• Case Manager/Care Coordinator in Montebello, CA
• Providers in Montebello, CA by specialty
• Case Manager/Care Coordinator in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.