Orange County Vascular Access, a Medical Corporation

Primary specialty

Vascular & Interventional Radiology PhysicianTaxonomy code 2085R0204X

Legal business name

ORANGE COUNTY VASCULAR ACCESS, A MEDICAL CORPORATION

Practice address

12827 Harbor Blvd Ste G1
Garden Grove, CA 92840-5839

Phone

(714) 534-1680

NPI assigned

Nov 13, 2007

Last updated

Apr 18, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Steven Bui, MD

Title

Partner

Phone

(714) 534-1680

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Member organizations 1

Organizations listed as members of this organization in the National Provider Directory.

• Ocvac - ASC LLC

  dba Orange County Vascular Surgery Center

  • Ambulatory Surgical Clinic/Center
  • Garden Grove, CA
  • NPI 1275129181

  Member Of

  NPD member

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPDPlans: Blue Shield 65 Plus (HMO) (H0504-015-000, H0504); Blue Shield 65 Plus (HMO) (H0504-039-000, H0504); Blue Shield 65 Plus Plan 2 (HMO) (H0504-021-000, H0504); Blue Shield Inspire (HMO) (H0504-041-000, H0504); Blue Shield 65 Plus (HMO) (H0504-038-000, H0504); Blue Shield Inspire (HMO) (H0504-047-000, H0504); Blue Shield 65 Plus (HMO) (H0504-026-000, H0504); Blue Shield Advantage (HMO) (H0504-050-000, H0504); Blue Shield AdvantageOptimum Plan (HMO) (H5928-004-000, H5928); Blue Shield Inspire (HMO) (H0504-043-000, H0504)…

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Massoud Arbabzadeh, MD

  • Vascular & Interventional Radiology Physician
  • Garden Grove, CA
  • NPI 1841245149
  Medicare reassignment Care Compare group NPD
• Steven Paris Posner, M.D.

  • Vascular Surgery Physician
  • Bellflower, CA
  • NPI 1083684872
  Medicare reassignment Care Compare group NPD
• Emily Howlett

  • Physician Assistant
  • Portland, OR
  • NPI 1225706088

  CA

  Medicare reassignment Care Compare group
• Todd S Harris, MD

  • Vascular & Interventional Radiology Physician
  • Newport Beach, CA
  • NPI 1710980677
  Medicare reassignment NPD
• Asha R. Ravikumar, M.D.

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1124240874
  NPD (past)
• Martin J Carignan, MD

  • Surgery Physician
  • Huntersville, NC
  • NPI 1497961155
  NPD (past)
• Khaled K Toumeh

  • Diagnostic Radiology Physician
  • Palos Heights, IL
  • NPI 1427057058
  NPD (past)

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

{
    "created_epoch": "1194912000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1744934400000",
    "number": "1346420783",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 412805",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022412805",
            "telephone_number": "610-644-8900",
            "fax_number": "484-924-0053"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12827 HARBOR BLVD STE G1",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928405839",
            "telephone_number": "714-534-1680"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12827 Harbor Blvd Ste G",
            "address_purpose": "LOCATION",
            "city": "Garden Grove",
            "state": "CA",
            "postal_code": "928405838",
            "country_code": "US",
            "telephone_number": "714-534-1680",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1111 W La Palma Ave",
            "address_purpose": "LOCATION",
            "city": "Anaheim",
            "state": "CA",
            "postal_code": "928012804",
            "country_code": "US",
            "telephone_number": "714-534-1680",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ORANGE COUNTY VASCULAR ACCESS, A MEDICAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-11-13",
        "last_updated": "2025-04-18",
        "certification_date": "2025-04-18",
        "status": "A",
        "authorized_official_last_name": "BUI",
        "authorized_official_first_name": "STEVEN",
        "authorized_official_title_or_position": "PARTNER",
        "authorized_official_telephone_number": "714-534-1680",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CA",
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0204X",
            "taxonomy_group": "",
            "desc": "Radiology, Vascular & Interventional Radiology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL - GROUP",
            "identifier": "1346420783",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Orange County Dental Practice
• Orange County Halfway House, Inc. (Orange County Youth & Family Services)
• Orange County Joeun Medical Group Inc
• Orange County Ophthalmology Medical Group (Orange County Eye Surgical Center)
• Orange County Ophthalmology Medical Group (Orange County Eye Surgical Center)
• Orange Healthcare and Pharmacy Inc (Express Care Pharmacy)
• Orange Prevention and Treatment Integrated Medical Assistance (CalOptima Health)
• Orchard Health LLC (Vital Care of Fountain Valley)
• Breanna Ordaz
• Katelyn Elaine Ordway

• Vascular & Interventional Radiology Physician in Garden Grove, CA
• Providers in Garden Grove, CA by specialty
• Vascular & Interventional Radiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.