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Dr. Philip Ngai, MD

West Covina, CA

Accepting patients

    Who is Dr. Ngai, Glaucoma Specialist in West Covina, CA?

    Dr. Philip Ngai, MD is a Glaucoma Specialist, who primarily practices in West Covina, CA with 1 additional practice location. Dr. Ngai is fluent in English and Spanish, and is currently seeing new patients. Dr. Ngai’s practice accepts Medicaid, Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ngai’s office at (626) 960-3741.

    What are Areas of Expertise for Dr. Ngai?

    Dr. Philip Ngai, MD is a highly-rated, board-certified Glaucoma Specialist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Ngai empowers patients to confidently navigate their health journey, specializing in Cataract Surgery, Glaucoma, and comprehensive wellness support. Serving the West Covina, CA community, Dr. Ngai is dedicated to enhancing lives through expert, patient-centered care.

    What languages does Dr. Ngai speak?

    Dr. Ngai and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does a Glaucoma Specialist like Dr. Ngai typically treat?

    As a Glaucoma Specialist, Dr. Ngai diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ngai. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Choroid Dystrophy
    • Eye Disease
    • Choroid Degeneration
    • Genetic Choroid Disorder
    • Hereditary Choroid Disease

    ICD-10 Codes:

    • H3122: Choroidal dystrophy (central areolar) (generalized) (peripapillary)

    Also known as:

    • Keratitis
    • Corneal Disorder
    • Corneal Inflammation
    • Inflamed Cornea
    • Eye Surface Inflammation

    ICD-10 Codes:

    • H16143: Punctate keratitis, bilateral

    Also known as:

    • Macular Pucker
    • Retinal Disorder
    • Epiretinal Membrane
    • Cellophane Maculopathy
    • Macular Wrinkle
    • Retinal Scar

    ICD-10 Codes:

    • H35373: Puckering of macula, bilateral

    Also known as:

    • Borderline Open-Angle Glaucoma
    • Glaucoma
    • Early Open-Angle Glaucoma
    • Open-angle glaucoma suspect
    • Risk of Open-Angle Glaucoma

    ICD-10 Codes:

    • H40013: Open angle with borderline findings, low risk, bilateral

    What procedures does a Glaucoma Specialist like Dr. Ngai typically perform?

    As a Glaucoma Specialist, Dr. Ngai performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Ngai. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Complex Cataract Removal with Lens Implant
    • Advanced Cataract Surgery
    • Phacoemulsification with IOL
    • Complex Extracapsular Cataract Extraction

    CPT Codes:

    • 66982: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1-stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification), complex, requiring devices or techniques not generally used in routine cataract surgery (eg, iris expansion device, suture support for intraocular lens, or primary posterior capsulorrhexis) or performed on patients in the amblyogenic developmental stage; without endoscopic cyclophotocoagulation

    Also known as:

    • Laser Surgery for Secondary Cataract
    • Laser Trabeculoplasty
    • Laser Eye Surgery for Glaucoma
    • YAG Laser Capsulotomy
    • Posterior Capsulotomy
    • Secondary Cataract Removal
    • Laser Eye Surgery
    • Glaucoma laser surgery
    • Laser eye treatment for glaucoma
    • Trabeculoplasty
    • Iridotomy
    • Iridectomy
    • Laser Glaucoma Treatment

    CPT Codes:

    • 66821: Discission of secondary membranous cataract (opacified posterior lens capsule and/or anterior hyaloid); laser surgery (eg, YAG laser) (1 or more stages)
    • 65855: Trabeculoplasty by laser surgery
    • 66761: Iridotomy/iridectomy by laser surgery (eg, for glaucoma) (per session)

    Also known as:

    • Cataract Removal with Lens Implant
    • Complex Cataract Surgery with Glaucoma Device
    • Extracapsular cataract extraction
    • Phacoemulsification
    • IOL implantation
    • Combined Cataract and Glaucoma Surgery
    • Complex Lens Replacement with Drainage Device
    • Phacoemulsification with Glaucoma Implant

    CPT Codes:

    • 66984: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); without endoscopic cyclophotocoagulation
    • 66989: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1-stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification), complex, requiring devices or techniques not generally used in routine cataract surgery (eg, iris expansion device, suture support for intraocular lens, or primary posterior capsulorrhexis) or performed on patients in the amblyogenic developmental stage; with insertion of intraocular (eg, trabecular meshwork, supraciliary, suprachoroidal) anterior segment aqueous drainage device, without extraocular reservoir, internal approach, one or more

    Also known as:

    • Glaucoma Canal Dilation
    • Goniotomy (Glaucoma Surgery)
    • Canaloplasty
    • Aqueous Outflow Dilation
    • Glaucoma Drainage Procedure
    • Eye Pressure Reduction Surgery
    • Goniotomy Procedure
    • Angle-Opening Glaucoma Surgery
    • Congenital Glaucoma Surgery

    CPT Codes:

    • 66174: Transluminal dilation of aqueous outflow canal (eg, canaloplasty); without retention of device or stent
    • 65820: Goniotomy

    Does Dr. Ngai accept my insurance?

    Dr. Ngai accepts most major insurance plans. Important: Please call our office at (626) 960-3741 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ngai accept in West Covina, CA?

    Dr. Ngai in West Covina, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alignment Healthcare

    • All Other Third Party

    • Centene Corporation

    • City of Los Angeles

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • State of California

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Ngai's office located?

    Dr. Philip Ngai's Primary Practice

    1250 S Sunset Ave Ste 205

    West Covina, CA 91790

    (626) 960-3741

    Get Directions

    Dr. Philip Ngai's Practice 2

    501 Student Health

    Irvine, CA 92697

    Get Directions

    What is Dr. Ngai's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Ngai's National Provider Identifier (NPI) number is 1649614215.

    What common questions do patients ask about Dr. Ngai?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ngai

    What is Dr. Philip Ngai's specialty?

    Dr. Ngai is a Glaucoma Specialist near West Covina, CA.

    What does a Glaucoma Specialist do?

    An ophthalmologist specializing in the treatment of glaucoma and related disorders focuses on managing conditions associated with increased intraocular pressure and optic nerve damage. This specialty encompasses both medical and surgical interventions to effectively treat these conditions.

    Is this Dr. Philip Ngai affiliated with a ranked Castle Connolly Top Hospital?

    No, Ngai is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Emanate Health Queen of the Valley Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Glaucoma Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Glaucoma Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Philip Ngai accepting new patients in West Covina, CA?

    Yes, Dr. Philip Ngai is accepting new patients at this time.

    Does Dr. Philip Ngai offer online booking?

    Please contact Dr. Ngai's office at (626) 960-3741 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Philip Ngai?

    Please contact Dr. Ngai's office at (626) 960-3741 for information regarding telehealth appointment availability or for scheduling assistance.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>