NPIMap

Individual provider Active NPI

Shahryar A. Ashouri, M.D.

  • Hematology & Oncology Physician
  • Westlake Village, CA
National Provider Identifier
1609946169
Registry record updated Mar 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
A87932 Issued in CA
Practice address
1250 La Venta Dr Ste 211
Westlake Village, CA 91361-3764
Phone
(805) 496-5153
Fax
(805) 496-5202
NPI assigned
Nov 9, 2006
Last updated
Mar 25, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 25, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X A87932 CA Primary

Addresses

Primary practice location

1250 La Venta Dr Ste 211
Westlake Village, CA 91361-3764

Mailing address

5767 W Century Blvd Ste 400
Los Angeles, CA 90045-5631

Other identifiers 1

IdentifierTypeStateIssuer
00A879320MedicaidCA

Other names 1

  • Dr. Shay A. Ashouri Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20081216000386 CA Practitioner - Hematology/OncologyPractitioner - Internal Medicine 6608938220 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine
Education
University of Southern California Keck School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1250 La Venta Dr
Suite 207
Westlake Village, CA 91361-3766
Phone (805) 494-6920

2020 Santa Monica Blvd
Suite 210
Santa Monica, CA 90404-2139
Phone (310) 458-2381

215 W Janss Rd
Thousand Oaks, CA 91360-1847
Phone (805) 497-2727

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.51 of 100Reported as group
Quality
79.37
Promoting interoperability
100
Improvement activities
40
Cost
73.65

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A87932CAMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Regents of the University of California Hematology & Oncology CurrentSince Jul 1, 2008 Accepting new patients
The Regents of the University of California CurrentSince Jul 1, 2008 Accepting new patients
West Hills Hospital Past Accepting new patients
Los Robles Regional Medical Center Past Accepting new patients
UCLA Medical Group Hematology & Oncology Past Accepting new patients
Simi Valley Hospital and Health Care Services Past Accepting new patients
Regents Univ of Calif Los Angeles Past Accepting new patients

Locations

200 Medical Plz
Los Angeles, CA 90095
Phone (310) 206-6688

5767 W Century Blvd
Ste 400
Los Angeles, CA 90045
Phone (310) 301-5200

File 55737
Los Angeles, CA 90074

2020 Santa Monica Blvd
Ste 210
Santa Monica, CA 90404
Phone (310) 458-2381

1250 La Venta Dr
Ste 202
Westlake Vlg, CA 91361
Phone (805) 496-5153

1250 La Venta Dr
Ste 211
Westlake Vlg, CA 91361
Phone (805) 494-6920

Interoperability endpoints

  • Direct secure messaging: sashouri58978@direct.uclahealth.org

Organizations & group practices 7

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 4

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": "1163030400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742860800000",
    "number": "1609946169",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1250 LA VENTA DR STE 211",
            "city": "WESTLAKE VILLAGE",
            "state": "CA",
            "postal_code": "913613764",
            "telephone_number": "805-496-5153",
            "fax_number": "805-496-5202"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ASHOURI",
        "first_name": "SHAHRYAR",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-09",
        "last_updated": "2025-03-25",
        "certification_date": "2025-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A87932",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A879320",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SHAY",
            "last_name": "ASHOURI",
            "middle_name": "A.",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Westlake Village, CA

Sources for this page

Verify at the official NPI Registry.