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DR. THU TRANG KOELER O.D.
NPI 1477663565
Optometrist in Long Beach, CA

Active since August 30, 2006PECOS Enrolled
7601 CARSON BLVD, LONG BEACH, CA 90808(562) 384-3065(562) 377-1872 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 5, 2023, Aug 30, 2016, Mar 16, 2016 (3 updates tracked since 2016).

About Dr. Thu Trang Koeler O.d. NPPES

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

DR. THU TRANG KOELER O.D. (NPI 1477663565) is an individual optometrist in Long Beach, California, licensed in California (13122) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477663565
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. THU TRANG KOELERCredential: O.D.
Location Address7601 CARSON BLVDLong Beach, CA 90808-2367
Mailing Address7601 Carson BlvdLong Beach, CA 90808-2367 · (714) 643-2020 · Fax (562) 377-1872
Phone(562) 384-3065
Fax(562) 377-1872
Sole ProprietorYes
Enumeration DateAugust 30, 2006
Last NPPES UpdateFebruary 12, 20263 updates tracked since enumeration
NPPES CertifiedMay 5, 2023
✔ NPI 1477663565 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 · 13122
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.
7601 CARSON BLVD, Long Beach, CA 90808
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Other Names 1

Former Name (1)Thu Anh Trang O.d.

Other Identifiers 1

MedicaidSD0131220CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and more.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)

Dr. Thu Trang Koeler O.d. 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 90808 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

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

NATIONAL VISION, INC.
Technician/Technologist (Optician)
7601 CARSON BLVD
LONG BEACH, CA 90808
Los Angeles County (562) 384-3065

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 Thu Koeler's NPI number?

The NPI number for Thu Koeler is 1477663565. It was assigned to this individual provider in the NPPES registry on August 30, 2006. The provider is also known as Thu Anh Trang O.D..

Where is Thu Koeler located?

Thu Koeler practices at 7601 Carson Blvd, Long Beach, CA 90808. The listed phone number is (562) 384-3065.

What is Thu Koeler's specialty?

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

Is Thu Koeler enrolled in Medicare?

Yes. Thu Koeler is registered in the Medicare PECOS enrollment system.

What insurance does Thu Koeler accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Thu Koeler 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 Thu Koeler was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.