Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TAMMY CHONG OD
NPI 1700612975
Optometrist in Los Angeles, CA

Active since September 12, 2024PECOS Enrolled
522 S SAN PEDRO ST, LOS ANGELES, CA 90013(562) 867-7999 Get Directions Write a Review

NPPES record last updated: July 22, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 22, 2026, Dec 19, 2024, Sep 12, 2024 (3 updates tracked since 2024).

About Tammy Chong Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TAMMY CHONG OD (NPI 1700612975) is an individual optometrist in Los Angeles, California, licensed in California (35841) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700612975
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameTAMMY CHONGCredential: OD
Location Address522 S SAN PEDRO STLos Angeles, CA 90013-2102
Mailing Address522 S San Pedro StLos Angeles, CA 90013-2102
Sole ProprietorYes
Enumeration DateSeptember 12, 2024
Last NPPES UpdateJuly 22, 20263 updates tracked since enumeration
NPPES CertifiedJuly 22, 2026
NPI 1700612975 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License Licensed in CA · 35841
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
522 S SAN PEDRO ST, Los Angeles, CA 90013

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Tammy Chong Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
522 S SAN PEDRO ST
LOS ANGELES, CA 90013
Psychologist
522 S SAN PEDRO ST
LOS ANGELES, CA 90013
Student in an Organized Health Care Education/Training Program
522 S SAN PEDRO ST
LOS ANGELES, CA 90013
Family Medicine
522 S SAN PEDRO ST
LOS ANGELES, CA 90013
Dentist
522 S SAN PEDRO ST
LOS ANGELES, CA 90013
Nurse Practitioner
522 S SAN PEDRO ST
LOS ANGELES, CA 90013
Clinic/Center (Federally Qualified Health Center (FQHC))
522 S SAN PEDRO ST
LOS ANGELES, CA 90013
Case Manager/Care Coordinator
522 S SAN PEDRO ST
LOS ANGELES, CA 90013

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tammy Chong's NPI number?

The NPI number for Tammy Chong is 1700612975. It was assigned to this individual provider in the NPPES registry on September 12, 2024.

Where is Tammy Chong located?

Tammy Chong practices at 522 S San Pedro St, Los Angeles, CA 90013. The listed phone number is (562) 867-7999.

What is Tammy Chong's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Tammy Chong enrolled in Medicare?

Yes. Tammy Chong is registered in the Medicare PECOS enrollment system.

What insurance does Tammy Chong accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Tammy Chong as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Tammy Chong was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.