Individual provider Active NPI

Oh Joo Hwang, O.D.

  • Optometrist
  • Torrance, CA
National Provider Identifier
1851016869
Registry record updated Sep 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
35338 Issued in CA
Practice address
3440 Lomita Blvd Ste 100
Torrance, CA 90505-4810
Phone
(562) 317-3893
Fax
(562) 206-2507
NPI assigned
Oct 11, 2022
Last updated
Sep 30, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 35338 CA Primary

Addresses

Primary practice location

3440 Lomita Blvd Ste 100
Torrance, CA 90505-4810

Mailing address

3816 Woodruff Ave Ste 100
Long Beach, CA 90808-2145
Phone (562) 424-0931

Other practice location 1

953 N Euclid St
Anaheim, CA 92801-3633
Phone (312) 477-1881

Other practice location 2

1640 Newport Blvd Ste 220
Costa Mesa, CA 92627-3786
Phone (949) 873-5352

Other practice location 3

3816 Woodruff Ave Ste 100
Long Beach, CA 90808-2145
Phone (562) 424-0931

Medicare participation

Medicare enrollment files
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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20221129000689 CA Practitioner - Optometry 7012385875 Practice locations: Anaheim, CA

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
35338CAMDGeneral Practice Dentistry

Practice roles

OrganizationSpecialtyStatusNew patients
Dr Hernandez Optometry Inc Optometrist CurrentSince Feb 4, 2026 Accepting new patients
Clara Vista Optometry CurrentSince Mar 11, 2025 Accepting new patients
Choice Optics Corp Optometrist CurrentSince Nov 10, 2024 Accepting new patients
De la Pena Eye Clinic, a Medical Group, Inc. Optometrist Past Accepting new patients

Locations

953 N Euclid St
Anaheim, CA 92801
Phone (312) 477-1881

6134 Pacific Blvd
Huntington Park, CA 90255
Phone (323) 589-3381

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1665446400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790726400000",
    "number": "1851016869",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3816 WOODRUFF AVE STE 100",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908082145",
            "telephone_number": "562-424-0931",
            "fax_number": "562-492-9400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3440 LOMITA BLVD STE 100",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905054810",
            "telephone_number": "562-317-3893",
            "fax_number": "562-206-2507"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "953 N Euclid St",
            "address_purpose": "LOCATION",
            "city": "Anaheim",
            "state": "CA",
            "postal_code": "928013633",
            "country_code": "US",
            "telephone_number": "312-477-1881",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1640 Newport Blvd Ste 220",
            "address_purpose": "LOCATION",
            "city": "Costa Mesa",
            "state": "CA",
            "postal_code": "926273786",
            "country_code": "US",
            "telephone_number": "949-873-5352",
            "fax_number": "949-873-5394",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3816 Woodruff Ave Ste 100",
            "address_purpose": "LOCATION",
            "city": "Long Beach",
            "state": "CA",
            "postal_code": "908082145",
            "country_code": "US",
            "telephone_number": "562-424-0931",
            "fax_number": "562-492-9400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HWANG",
        "first_name": "OH JOO",
        "credential": "O.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-10-11",
        "last_updated": "2026-09-30",
        "certification_date": "2026-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "35338",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Torrance, CA

Sources for this page

Verify at the official NPI Registry.