Organization Active NPI

Mark H Barak MD

  • Ophthalmology Physician
  • La Verne, CA
National Provider Identifier
1053287755
Registry record updated Oct 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
Legal business name
MARK H BARAK MD
Practice address
1911 Foothill Blvd
La Verne, CA 91750-3511
Phone
(909) 596-5900
Fax
(909) 596-1655
NPI assigned
Oct 11, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 11, 2025

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

Authorized official

Name
Diana Ceballos
Title
Management
Phone
(909) 596-5900

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207W00000X Primary

Addresses

Primary practice location

1911 Foothill Blvd
La Verne, CA 91750-3511

Mailing address

1911 Foothill Blvd
La Verne, CA 91750-3511
Phone (909) 596-5900

National Provider Directory

National Provider Directory

Locations

1911 Foothill Blvd
La Verne, CA 91750
Phone (626) 523-6964

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1760140800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760140800000",
    "number": "1053287755",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1911 FOOTHILL BLVD",
            "city": "LA VERNE",
            "state": "CA",
            "postal_code": "917503511",
            "telephone_number": "909-596-5900",
            "fax_number": "909-596-1655"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1911 FOOTHILL BLVD",
            "city": "LA VERNE",
            "state": "CA",
            "postal_code": "917503511",
            "telephone_number": "909-596-5900",
            "fax_number": "909-596-1655"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARK H BARAK MD",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-11",
        "last_updated": "2025-10-11",
        "certification_date": "2025-10-11",
        "status": "A",
        "authorized_official_last_name": "CEBALLOS",
        "authorized_official_first_name": "DIANA",
        "authorized_official_title_or_position": "MANAGEMENT",
        "authorized_official_telephone_number": "909-596-5900"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Ophthalmology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Verne, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.