Vincent Lloyd Antosz, MD

Key facts

NPI

1831150135

Entity type

Individual (NPI type 1)

Primary specialty

Internal Medicine Physician 207R00000X

License

A64793 (CA)

Practice address

300 W Huntington Dr
Arcadia, CA 91007-3402

Phone

(626) 795-2244

NPI assigned

Mar 28, 2006

Sex

Male

Sole proprietor

No

Organizations & group practices 6

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.

• Healthcare Partners Affiliates Medical Group Internal Medicine Physician · Los Angeles, CA · NPI 1659312593
  Medicare reassignment Care Compare group NPD CA · INTERNAL MEDICINE
• Healthcare Partners Affiliates Medical Group Durable Medical Equipment & Medical Supplies · Murrieta, CA · NPI 1760057269
  NPD
• Healthcare Partners Affiliates Medical Group Addiction Medicine (Internal Medicine) Physician · Tustin, CA · NPI 1891981502
  NPD
• Community Memorial Health System General Acute Care Hospital · Ventura, CA · NPI 1215903018
  NPD (past)
• Usc Arcadia Hospital Rehabilitation Hospital Unit · Arcadia, CA · NPI 1164410593
  NPD (past)
• Memorial Medical Group Inc Durable Medical Equipment & Medical Supplies · Phoenix, AZ · NPI 1255523643
  NPD (past)

Medicare Care Compare profile

Specialty

Internal Medicine

Education

Northwestern University Feinberg Medical School, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Healthcare Partners Affiliates Medical Group (775 clinicians)

Practice addresses (Care Compare)

Medicare participation

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

National Provider Directory

Medicare enrollment (NPD)

Yes

Credentials

Doctor of Medicine

State licenses

Practice roles (6 of 7)

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Specialties & licenses

Addresses

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Dec 3, 2025.

{
    "created_epoch": "1143504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1831150135",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 W HUNTINGTON DR",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910073402",
            "telephone_number": "626-795-2244"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "450 E Huntington Dr",
            "address_purpose": "LOCATION",
            "city": "Arcadia",
            "state": "CA",
            "postal_code": "910063748",
            "country_code": "US",
            "telephone_number": "626-795-2244",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ANTOSZ",
        "first_name": "VINCENT",
        "middle_name": "LLOYD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-28",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A64793",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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All providers in Arcadia, CA · Internal Medicine Physician in California