Loren A Leshan, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

G86992 Issued in CA

Practice address

19950 Rinaldi St
Porter Ranch, CA 91326-4141

Phone

(818) 403-2400

NPI assigned

Aug 23, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 4

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Tufts University School of Medicine, 1980

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Providence Facey Medical FoundationGroup PAC ID 3173436276, 324 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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

• Providence Facey Medical Foundation

  dba Facey Medical Group

  • Internal Medicine Physician
  • Valencia, CA
  • NPI 1710031588

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593

  Family Medicine

  Medicare reassignment NPD
• Inpatient Specialists of California, PC

  • Internal Medicine Physician
  • San Bernardino, CA
  • NPI 1952792475

  Family Medicine

  Medicare reassignment NPD
• Lightstream Health L L C

  • Mental Health Counselor
  • Woodland Hills, CA
  • NPI 1013769363
  NPD Authorized official
• Lightstream Health L L C

  • Family Medicine Physician
  • Woodland Hills, CA
  • NPI 1215717855
  NPD (past) Authorized official
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Addiction Medicine (Internal Medicine) Physician
  • Tustin, CA
  • NPI 1891981502
  NPD
• Providence Facey Medical Foundation

  dba Providence Express Care

  • Multi-Specialty Clinic/Center
  • Irvine, CA
  • NPI 1891348447
  NPD
• Memorial Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1255523643
  NPD (past)

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

{
    "created_epoch": "1156291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763424000000",
    "number": "1194832642",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9602",
            "city": "MISSION HILLS",
            "state": "CA",
            "postal_code": "913469602",
            "telephone_number": "818-837-5559",
            "fax_number": "818-792-4793"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19950 RINALDI ST",
            "city": "PORTER RANCH",
            "state": "CA",
            "postal_code": "913264141",
            "telephone_number": "818-403-2400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LESHAN",
        "first_name": "LOREN",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-23",
        "last_updated": "2025-11-18",
        "certification_date": "2025-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "G86992",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "25641",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "FL",
            "license": "ME98855",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "50655",
            "state": "FL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0007427-00",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "P00760798",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BPC MEDICARE GROUP PTAN",
            "identifier": "K1951A",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Richard David Landers, MD
• Lark Behavior Group Inc.
• Lark Behavior Group LLC
• David Chong Hyun Lee, CRNA
• James S. Lee, MD
• Mya E. Levy, M.D.
• Genesirman Liang, PT,DPT
• Stephanie Angela Lin, PHARMD
• Sonia Liquigan, FNP-C
• Kathryn Elizabeth Lenihan Littrell

• Family Medicine Physician in Porter Ranch, CA
• Providers in Porter Ranch, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 18, 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.