Individual provider Active NPI

Tammy Chong, OD

  • Optometrist
  • Los Angeles, CA
National Provider Identifier
1700612975
Registry record updated Jul 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
35841 Issued in CA
Practice address
522 S San Pedro St
Los Angeles, CA 90013-2102
Phone
(562) 867-7999
NPI assigned
Sep 12, 2024
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 22, 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 35841 CA Primary

Addresses

Primary practice location

522 S San Pedro St
Los Angeles, CA 90013-2102

Mailing address

522 S San Pedro St
Los Angeles, CA 90013-2102

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
I20241227000861 CA Practitioner - Optometry 2264969542 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Optometry
Education
Other, 2024
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

5650 Jillson St
Commerce, CA 90040-1482

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
35841CAMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
Retina Institute of California Medical Group, a California Medical Par Optometrist CurrentSince Dec 20, 2024 Accepting new patients
Barry a. Katzman, M.D., Inc Apc Optometrist Past Accepting new patients

Locations

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

288 N Santa Anita Ave
Ste 402
Arcadia, CA 91006
Phone (626) 269-5371

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

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

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

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

8616 La Tijera Blvd
Ste 404
Los Angeles, CA 90045
Phone (310) 673-2020

8616 La Tijera Blvd
Ste 102
Los Angeles, CA 90045
Phone (310) 673-2020

1127 Wilshire Blvd
Ste 504
Los Angeles, CA 90017
Phone (213) 413-7301

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 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1726099200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1700612975",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "522 S SAN PEDRO ST",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900132102"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "522 S SAN PEDRO ST",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900132102",
            "telephone_number": "562-867-7999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHONG",
        "first_name": "TAMMY",
        "credential": "OD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-09-12",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "35841",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.