Aaron Nagiel, M.D., PH.D.

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

A125048 Issued in CA

Practice address

300 Hillmont Ave., Building 340 Ste 302
Ventura, CA 93003

Phone

(805) 652-6255

NPI assigned

Mar 28, 2011

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Ophthalmology

Education

JS Weill Medical College, Cornell University, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Childrens Hospital Los Angeles Medical Group IncGroup PAC ID 0143126920, 288 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Children'S Hosp of Los Angeles Hospital, Los Angeles, CA, CCN 053302

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Children'S Hospital Los Angeles Medical Group, Inc.

  • Multi-Specialty Clinic/Center
  • Los Angeles, CA
  • NPI 1265530653
  Medicare reassignment Care Compare group NPD
• County of Ventura

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457
  Medicare reassignment NPD
• Retina Vision Consultants 360

  • Ophthalmology Physician
  • Beverly Hills, CA
  • NPI 1124910856
  Medicare reassignment
• County of Ventura

  • Community/Behavioral Health Agency
  • Camarillo, CA
  • NPI 1184918716
  NPD
• County of Ventura

  • Community/Behavioral Health Agency
  • Simi Valley, CA
  • NPI 1609098243
  NPD
• Childrens Hospital of Los Angeles

  • Children's Hospital
  • Los Angeles, CA
  • NPI 1124073366
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Childrens Hospital of Los Angeles

  • Children's Hospital
  • Los Angeles, CA
  • NPI 1124073366
  Care Compare affiliation

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

{
    "created_epoch": "1301270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760486400000",
    "number": "1669771879",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4650 W SUNSET BLVD # 88",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900276062",
            "telephone_number": "323-660-2450",
            "fax_number": "323-361-7993"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 HILLMONT AVE., BUILDING 340 STE 302",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "93003",
            "telephone_number": "805-652-6255"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4650 W Sunset Blvd # 88",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900276062",
            "country_code": "US",
            "telephone_number": "323-660-2450",
            "fax_number": "323-361-7993",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NAGIEL",
        "first_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-03-28",
        "last_updated": "2025-10-15",
        "certification_date": "2025-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A125048",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aaron.nagiel@ventura.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Cerner Direct Secure Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Information",
            "address_1": "300 Hillmont Ave., Building 340 Ste 302",
            "city": "Ventura",
            "state": "CA",
            "country_code": "US",
            "postal_code": "93003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Eliza Myers, RBT
• Jessica Myers
• Lauren Myers
• Lin R. Myerson, M.S., LMFT
• Lindsay Yoshiko Nagatani-Short, MD, MPH
• Bernard Nahlen, MD
• Miranda Naish
• Azita Najafi, RN
• Richard A Nakano, MD
• Sudha Nallasamy, MD

• Ophthalmology Physician in Ventura, CA
• Providers in Ventura, CA by specialty
• Ophthalmology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 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.