Individual provider Active NPI

Joseph Sik Pak, OD

  • Optometrist
  • Riverside, CA
National Provider Identifier
1073192100
Registry record updated Sep 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
34773TLG Issued in CA
Practice address
6906 Brockton Ave Ste 6
Riverside, CA 92506-3802
Phone
(800) 898-2020
Fax
(844) 897-3788
NPI assigned
Apr 6, 2021
Last updated
Sep 5, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 5, 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 34773TLG CA Primary

Addresses

Primary practice location

6906 Brockton Ave Ste 6
Riverside, CA 92506-3802

Mailing address

8739 Innovation St
Chino, CA 91708-9491
Phone (760) 666-0790

Other practice location 1

18763 Colima Rd
Rowland Heights, CA 91748-2949
Phone (626) 269-0807

Other practice location 2

4945 La Palma Ave
LA Palma, CA 90623-2054
Phone (562) 348-0074

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
I20221201001422 CA Practitioner - Optometry 6406224021 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Optometry
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

6906 Brockton Ave
Suite 6
Riverside, CA 92506-3802
Phone (951) 784-8373

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
34773CAMDChiropractor
OPT34773TLGCAMDOptometrist

Practice roles

OrganizationSpecialtyStatusNew patients
Retina Institute of California Medical Group, a California Medical Par Optometrist CurrentSince Nov 16, 2022 Accepting new patients
Attentive Eye Care Optometry, Inc. Optometrist PastSince Apr 11, 2021 Accepting new patients
Retina Institute of California Medical Group, a California Medical Par Optometrist PastSince Nov 16, 2022 Accepting new patients

Locations

500 S Anaheim Hills Rd
Ste 234
Anaheim, CA 92807
Phone (714) 282-5437

9500 Stockdale Hwy
Ste 108
Bakersfield, CA 93311
Phone (661) 663-8500

116 N Plaza St
Brawley, CA 92227
Phone (760) 344-4330

17833 Colima Rd
City of Industry, CA 91748
Phone (626) 964-8864

11525 Brookshire Ave
Downey, CA 90241
Phone (562) 861-0954

1420 Ocotillo Dr
El Centro, CA 92243
Phone (760) 353-1140

44815 Fig Ave
Lancaster, CA 93534
Phone (661) 206-8469

2400 N Broadway
Los Angeles, CA 90031
Phone (323) 221-6121

100 E California Blvd
Pasadena, CA 91105
Phone (626) 568-8838

6906 Brockton Ave
Ste 6
Riverside, CA 92506
Phone (951) 784-8373

58471 29 Palms Hwy
Ste 203
Yucca Valley, CA 92284
Phone (760) 365-7651

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 3

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": "1617667200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788566400000",
    "number": "1073192100",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8739 INNOVATION ST",
            "city": "CHINO",
            "state": "CA",
            "postal_code": "917089491",
            "telephone_number": "760-666-0790"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6906 BROCKTON AVE STE 6",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925063802",
            "telephone_number": "800-898-2020",
            "fax_number": "844-897-3788"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "18763 Colima Rd",
            "address_purpose": "LOCATION",
            "city": "Rowland Heights",
            "state": "CA",
            "postal_code": "917482949",
            "country_code": "US",
            "telephone_number": "626-269-0807",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4945 La Palma Ave",
            "address_purpose": "LOCATION",
            "city": "LA Palma",
            "state": "CA",
            "postal_code": "906232054",
            "country_code": "US",
            "telephone_number": "562-348-0074",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PAK",
        "first_name": "JOSEPH",
        "middle_name": "SIK",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-06",
        "last_updated": "2026-09-05",
        "certification_date": "2026-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "34773TLG",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Riverside, CA

Sources for this page

Verify at the official NPI Registry.