MR. BRIAN JONATHAN NGUYEN MD
NPI 1912469792
Ophthalmology in Valencia, CA

Q: What is Brian Nguyen's NPI number?

The NPI number for Brian Nguyen is 1912469792. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Q: What is Brian 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 Brian Nguyen was last updated on January 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 April 02, 2019PECOS EnrolledAccepts Medicare Assignment

74.77/100

CMS Quality Rating

27420 TOURNEY RD STE 100, VALENCIA, CA 91355(661) 259-3937(661) 259-3904 Get Directions Write a Review

NPPES record last updated: January 30, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 21, 2020, Apr 2, 2019 (2 updates tracked since 2019).

On this page

About Mr. Brian Jonathan Nguyen Md NPPES

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

MR. BRIAN JONATHAN NGUYEN MD (NPI 1912469792) is an individual ophthalmology provider in Valencia, California, licensed in Pennsylvania (MT221626) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Other.

NPPES Registry Identity

NPI1912469792

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameMR. BRIAN JONATHAN NGUYENCredential: MD

Location Address27420 TOURNEY RD STE 100Valencia, CA 91355-5631

Mailing Address27420 Tourney Rd Ste 100Valencia, CA 91355-5631 · (661) 259-3937 · Fax (661) 259-3907

Phone(661) 259-3937

Fax(661) 259-3904

Sole ProprietorNo

Medical School CMSOther

Enumeration DateApril 2, 2019

Last NPPES UpdateJanuary 30, 20242 updates tracked since enumeration

NPPES CertifiedJanuary 30, 2024

✔ NPI 1912469792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in PA · MT221626

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.

27420 TOURNEY RD STE 100, Valencia, CA 91355

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Other Identifiers 1

MedicaidMT221626PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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

Mr. Brian Jonathan Nguyen Md 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 ID1759616659

PECOS Enrollment IDI20230705001143

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

Craig Helm M D A Professional Corporation

Same address

Ophthalmology

27420 TOURNEY ROAD, SUITE 100
Valencia, CA 91355

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

NPI 1982759734 (661) 259-3937

Mid Peninsula Eye Physicians & Surgeons Medical Group

302 mi

Ophthalmology

50 S SAN MATEO DR, SUITE 200
San Mateo, CA 94401

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

NPI 1407924889 (650) 342-4595

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 21

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.

Microfluid analysis of tears 83861

Microfluid analysis of tears involves collecting a small tear sample to examine its composition. This procedure can help detect health issues like dry eye disease, inflammation, or other eye conditions. It's a non-invasive, painless method for monitoring eye health.

557 services216 patients

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

534 services387 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.

526 services391 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.

311 services287 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.

195 services182 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).

188 services169 patients

Closure of tear duct opening using plug 68761

Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.

168 services135 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.

113 services104 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.

109 services108 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.

102 services101 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.

99 services99 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.

93 services87 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

66 services45 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.

60 services59 patients

Imaging of front third of eye 92132

Imaging of the front third of the eye, also known as anterior segment imaging, captures detailed images of the eye's front part. This includes the iris, cornea, and lens. It's a non-invasive procedure that helps diagnose and monitor eye conditions.

59 services58 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.

48 services36 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

19 services19 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.

16 services14 patients

New patient problem focused exam of visual system 92002

A new patient problem-focused exam of the visual system is a basic evaluation of your eyes and vision. It includes checking your eye movements, visual acuity, and general eye health. It helps detect any potential issues early for timely treatment.

16 services16 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.

13 services13 patients

Dilation of tear drainage opening 68801

Dilation of the tear drainage opening is a minor procedure to widen the tear ducts and improve tear flow. A thin instrument is gently inserted into the tear duct to expand it. This can help alleviate symptoms like watery eyes or infections caused by blocked tear ducts.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91355 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.

74.77/100

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

Scored as part of a group practice

Quality

97.91

Improvement Activities

Cost

18.69

Other Providers at the Same Location NPPES 8

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

ROSANNA T NGUYEN O.D.

Optometrist