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THU KIM THI NGUYEN O.D.
NPI 1457634404
Optometrist in San Diego, CA

Active since September 26, 2011PECOS EnrolledAccepts Medicare Assignment
9516 MIRAMAR RD, SAN DIEGO, CA 92126(858) 566-4110(858) 527-1085 Get Directions Write a Review

NPPES record last updated: May 15, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Thu Kim Thi Nguyen O.d. NPPES

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

THU KIM THI NGUYEN O.D. (NPI 1457634404) is an individual optometrist in San Diego, California, licensed in California (14320) and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of New England College Of Optometry (2011).

NPPES Registry Identity

NPI1457634404
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameTHU KIM THI NGUYENCredential: O.D.
Location Address9516 MIRAMAR RDSan Diego, CA 92126-4533
Mailing Address9516 Miramar RdSan Diego, CA 92126-4533 · (510) 541-4760 · Fax (858) 271-0853
Phone(858) 566-4110
Fax(858) 527-1085
Sole ProprietorNo
Medical School CMSNew England College Of OptometryGraduated 2011
Enumeration DateSeptember 26, 2011
Last NPPES UpdateMay 15, 2019
✔ NPI 1457634404 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 · 14320
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.
9516 MIRAMAR RD, San Diego, CA 92126
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Secondary Practice Location 1

Location 19516 Miramar RdSan Diego, CA 92126-4533 · Phone (858) 566-4110 · Fax (858) 527-1085

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 Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thu Kim Thi Nguyen O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547538613
PECOS Enrollment IDI20170613002125
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Thu Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Eye Connection Optometry, Inc
Same address
Optometrist
9516 MIRAMAR ROAD
San Diego, CA 92126
  • Reassigned Medicare billing, California enrollment
NPI 1730741299 (858) 566-4110
Sharp Rees-Stealy Medical Group, Inc
4.4 mi
Internal Medicine
5651 COPLEY DR STE A
San Diego, CA 92111
  • Reassigned Medicare billing, California enrollment
  • 1,233 clinicians in this Medicare group
NPI 1285616177 (858) 262-6666

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
28 services28 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
26 services21 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
21 services16 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
19 services19 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92126 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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.

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 Nguyen's NPI number?

The NPI number for Thu Nguyen is 1457634404. It was assigned to this individual provider in the NPPES registry on September 26, 2011.

Where is Thu Nguyen located?

Thu Nguyen practices at 9516 Miramar Rd, San Diego, CA 92126. The listed phone number is (858) 566-4110.

What is Thu Nguyen's specialty?

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

Is Thu Nguyen enrolled in Medicare?

Yes. Thu Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thu Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thu Nguyen reassigns Medicare benefits to 2 organizations: Eye Connection Optometry, Inc (San Diego, CA) and Sharp Rees-Stealy Medical Group, Inc (San Diego, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thu Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thu Nguyen accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Thu Nguyen 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 Nguyen was last updated on May 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.