CHRISTINE VU NGUYEN M.D.
NPI 1780017897
Ophthalmology in Fountain Valley, CA

Q: What is Christine Nguyen's NPI number?

The NPI number for Christine Nguyen is 1780017897. It was assigned to this individual provider in the NPPES registry on August 12, 2013.

Q: What is Christine Nguyen's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Christine Nguyen was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since August 12, 2013PECOS EnrolledAccepts Medicare Assignment

74.56/100

CMS Quality Rating

18111 BROOKHURST ST STE 6400, FOUNTAIN VALLEY, CA 92708(714) 963-1444 Get Directions Write a Review

NPPES record last updated: October 20, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 20, 2020, Feb 2, 2020, Jul 6, 2017 (3 updates tracked since 2017).

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About Christine Vu Nguyen M.d. NPPES

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

CHRISTINE VU NGUYEN M.D. (NPI 1780017897) is an individual ophthalmology provider in Fountain Valley, California, licensed in California (A134102) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Georgetown University School Of Medicine (2013).

NPPES Registry Identity

NPI1780017897

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameCHRISTINE VU NGUYENCredential: M.D.

Location Address18111 BROOKHURST ST STE 6400Fountain Valley, CA 92708-6728

Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631

Phone(714) 963-1444

Sole ProprietorYes

Medical School CMSGeorgetown University School Of MedicineGraduated 2013

Enumeration DateAugust 12, 2013

Last NPPES UpdateOctober 20, 20203 updates tracked since enumeration

NPPES CertifiedOctober 20, 2020

✔ NPI 1780017897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · A134102

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Also ListedOphthalmology · Glaucoma SpecialistTaxonomy 207WX0009X · License A134102 (CA)

18111 BROOKHURST ST STE 6400, Fountain Valley, CA 92708

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Secondary Practice Locations 2

Location 1625 S Fair Oaks Ave Ste 280Pasadena, CA 91105-2670 · Phone (626) 817-4747

Location 28341 Westminster Blvd Ste 202Westminster, CA 92683-8339 · Phone (714) 725-8989

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Christine Vu Nguyen M.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 ID749597599

PECOS Enrollment IDI20170627001495

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

Medicare enrollment records show Christine Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Eye Love, Inc.

4.5 mi

Ophthalmology

8341 WESTMINSTER BLVD STE 202
Westminster, CA 92683

Reassigned Medicare billing, California enrollment

NPI 1871139543 (714) 725-8989

City Of Hope Medical Foundation

30 mi

Hematology & Oncology

1500 DUARTE RD
Duarte, CA 91010

Reassigned Medicare billing, California enrollment
1,335 clinicians in this Medicare group

NPI 1871886366 (626) 256-4673

Jules Stein Eye Institute Medical Group

38 mi

Ophthalmology

100 STEIN PLZ
Los Angeles, CA 90095

Reassigned Medicare billing, California enrollment
123 clinicians in this Medicare group

NPI 1326006966 (310) 825-3090

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 17

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 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.

1,395 services538 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

361 services299 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

324 services314 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).

318 services287 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.

182 services132 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

132 services132 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

125 services121 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

113 services113 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

92 services77 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.

61 services61 patients

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.

45 services38 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

40 services28 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

35 services28 patients

Ct scan of cornea 92025

A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.

32 services29 patients

Creation of eye fluid drainage tracts in iris using a laser, per session 66761

This procedure uses a laser to create small drainage tracts in the iris, the colored part of your eye. This helps excess fluid escape, reducing pressure in the eye that can cause glaucoma. It's performed in sessions.

31 services18 patients

Removal of eyelashes using forceps 67820

The removal of eyelashes using forceps is a simple procedure where a medical professional gently extracts unwanted or problematic eyelashes with a specialized tool. This is often done to alleviate discomfort or to treat conditions like trichiasis, where eyelashes grow inward.

26 services15 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.56/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

85.02

Promoting Interoperability

100

Improvement Activities

Cost

30.17

Other Providers at the Same Location NPPES 4

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

ALEXANDER JOSEPH HAUEISEN MD

Ophthalmology

18111 BROOKHURST ST STE 6400
FOUNTAIN VALLEY, CA 92708

Orange County (714) 963-1444

BRIAN A FRANCIS M.D.

Ophthalmology

18111 BROOKHURST ST STE 6400
FOUNTAIN VALLEY, CA 92708

Orange County (714) 963-1444

DR. BENJAMIN BRIAN BERT M.D.

Ophthalmology

18111 BROOKHURST ST STE 6400
FOUNTAIN VALLEY, CA 92708

Orange County (714) 963-1444

ANGELA JINSOOK OH MD

Ophthalmology

18111 BROOKHURST ST STE 6400
FOUNTAIN VALLEY, CA 92708

Orange County (714) 963-1444

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 Christine Nguyen's NPI number?

The NPI number for Christine Nguyen is 1780017897. It was assigned to this individual provider in the NPPES registry on August 12, 2013.

Where is Christine Nguyen located?

Christine Nguyen practices at 18111 Brookhurst St Ste 6400, Fountain Valley, CA 92708. The listed phone number is (714) 963-1444.

What is Christine Nguyen's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Christine Nguyen enrolled in Medicare?

Yes. Christine 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 Christine Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Nguyen reassigns Medicare benefits to 3 organizations: Eye Love, Inc. (Westminster, CA), City Of Hope Medical Foundation (Duarte, CA) and Jules Stein Eye Institute Medical Group (Los Angeles, 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 Christine Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christine Nguyen was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.