Mark Winston Brown, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

G35526 Issued in CA

Practice address

18102 Irvine Blvd
Tustin, CA 92780-3423

Phone

(714) 508-4123

Fax

(714) 508-4134

NPI assigned

Mar 18, 2006

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1142640000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1982663050",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10602 GROVE OAK DR",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927052589"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18102 IRVINE BLVD",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927803423",
            "telephone_number": "714-508-4123",
            "fax_number": "714-508-4134"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BROWN",
        "first_name": "MARK",
        "middle_name": "WINSTON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "G35526",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Frieda V Brookshire, D.D.S., M.S.
• Darren M Brown, O.D.
• David Edward Brown, MA MFT
• Deanne M. Brown
• Linda Jeane Brown, MSW
• Rannia Brown, PSYD
• Susan Brown, O.D.
• Dawn L Bruner, MD
• Lietta Diana Brutsche, CADC II
• Cheridan Bryant

• Specialist in Tustin, CA
• Providers in Tustin, CA by specialty
• Specialist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.