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Dr. Mark Barak, MD

Dr. Mark Barak, MD

La Verne, CA

32 Years of Experience

Accepting patients

    Who is Dr. Barak, Ophthalmologist in La Verne, CA?

    Dr. Mark Barak, MD is an Ophthalmologist, who primarily practices in La Verne, CA with 1 additional practice location. He has been practicing for over 32 years and is board certified. Dr. Barak graduated from University of California and completed his residency at Fairview-Univ Med Ctr, Ophthalmology; Univ Of Wi Hosp & Cli, Ophthalmology; Vet Affairs Med Ctr, Internal Medicine. Dr. Barak is fluent in English and Spanish, and is currently seeing new patients. Dr. Barak’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Barak’s office.

    Where did Dr. Barak go to medical school and complete their residency?

    • Residency: Fairview-Univ Med Ctr, Ophthalmology; Univ Of Wi Hosp & Cli, Ophthalmology; Vet Affairs Med Ctr, Internal Medicine

    • Medical School: University of Ca, San Diego, Sch of Med, La Jolla Ca | University of California

    Is Dr. Barak board certified as an Ophthalmologist?

    Yes, Dr. Mark Barak, MD is board certified by the American Board of Ophthalmology

    What languages does Dr. Barak speak?

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

    • English

    • Spanish

    What conditions does Dr. Barak treat?

    As an Ophthalmologist, Dr. Barak 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. Barak. 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.

    Also known as:

    • Cataract
    • Other Secondary Cataract
    • Combined Age-Related Cataract
    • Secondary Cataract
    • Cloudy lens
    • Lens clouding
    • Eye cloudiness
    • Cataract from another condition
    • Complicated cataract
    • Acquired cataract
    • Mixed Type Cataract
    • Multiple Cataract Types
    • After-Cataract
    • Posterior Capsule Opacification
    • PCO

    ICD-10 Codes:

    • H25813: Combined forms of age-related cataract, bilateral
    • H25093: Other age-related incipient cataract, bilateral
    • H26493: Other secondary cataract, bilateral
    • H25811: Combined forms of age-related cataract, right eye
    • H25812: Combined forms of age-related cataract, left eye
    • H26491: Other secondary cataract, right eye
    • H26492: Other secondary cataract, left eye

    Also known as:

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

    ICD-10 Codes:

    • H40023: Open angle with borderline findings, high risk, bilateral

    Also known as:

    • Other Diabetes with Diabetic Retinopathy and Macular Edema
    • Diabetes
    • Diabetic Eye Problems
    • Diabetic Eye Disease with Swelling
    • Macular Edema from Diabetes
    • Retina Swelling with Diabetes

    ICD-10 Codes:

    • E13311: Other specified diabetes mellitus with unspecified diabetic retinopathy with macular edema

    Also known as:

    • Dry Macular Degeneration
    • Cystoid Macular Edema
    • Macular Degeneration
    • Nonexudative AMD
    • Atrophic Macular Degeneration
    • Dry AMD
    • Age-related Macular Degeneration (Dry)
    • CME
    • Macular Swelling
    • Retinal Edema
    • Fluid in Macula

    ICD-10 Codes:

    • H353130: Nonexudative age-related macular degeneration, bilateral, stage unspecified
    • H353131: Nonexudative age-related macular degeneration, bilateral, early dry stage
    • H35353: Cystoid macular degeneration, bilateral

    Also known as:

    • Intraocular Lens Implant
    • Cataract
    • Refractive Errors
    • IOL Implant
    • Artificial Eye Lens
    • Cataract Lens Implant

    ICD-10 Codes:

    • Z961: Presence of intraocular lens

    Also known as:

    • Dry Eyes
    • Tears
    • Dry eye syndrome
    • Keratoconjunctivitis sicca
    • Ocular dryness

    ICD-10 Codes:

    • H04123: Dry eye syndrome of bilateral lacrimal glands

    Also known as:

    • Routine Eye and Vision Exam (Normal Findings)
    • Eye Disease
    • Vision Impairment and Blindness
    • Annual eye checkup
    • Vision screening, no issues
    • Eye health exam, all clear

    ICD-10 Codes:

    • Z0100: Encounter for examination of eyes and vision without abnormal findings

    Also known as:

    • Type 2 Diabetes with Diabetic Retinopathy
    • Diabetes Type 2
    • Diabetic Eye Problems
    • Type 2 diabetes
    • Diabetic Eye Disease
    • Type 2 Diabetes Mellitus
    • Diabetic Retinal Disease

    ICD-10 Codes:

    • E11319: Type 2 diabetes mellitus with unspecified diabetic retinopathy without macular edema

    Also known as:

    • Ulcerative Blepharitis
    • Eyelid Disorder
    • Ulcerated eyelid inflammation
    • Infected blepharitis
    • Eyelid sores

    ICD-10 Codes:

    • H01019: Ulcerative blepharitis unspecified eye, unspecified eyelid

    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:

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

    ICD-10 Codes:

    • H169: Unspecified keratitis

    Also known as:

    • Carotid Artery Disease
    • Carotid Stenosis
    • Blocked Carotid Artery
    • Neck Artery Disease
    • Carotid Artery Narrowing

    ICD-10 Codes:

    • I6523: Occlusion and stenosis of bilateral carotid arteries

    What procedures does Dr. Barak perform?

    As an Ophthalmologist, Dr. Barak 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. Barak. 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.

    Also known as:

    • Laser Surgery for Secondary Cataract
    • Laser Trabeculoplasty
    • Tear Duct Opening Closure
    • Laser Eye Surgery for Glaucoma
    • Cataract Surgery with Glaucoma Drainage Device
    • Laser Vitreous Surgery
    • YAG Laser Capsulotomy
    • Posterior Capsulotomy
    • Secondary Cataract Removal
    • Laser Eye Surgery
    • Glaucoma laser surgery
    • Laser eye treatment for glaucoma
    • Trabeculoplasty
    • Punctal Occlusion
    • Lacrimal Punctum Closure
    • Dry Eye Treatment (Punctal)
    • Iridotomy
    • Iridectomy
    • Laser Glaucoma Treatment
    • Combined Cataract and Glaucoma Surgery
    • Phacoemulsification with Aqueous Drainage Device
    • IOL Insertion with Glaucoma Stent
    • Vitreolysis
    • laser eye surgery
    • vitreous strand removal
    • YAG laser vitreolysis

    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
    • 68760: Closure of the lacrimal punctum; by thermocauterization, ligation, or laser surgery
    • 66761: Iridotomy/iridectomy by laser surgery (eg, for glaucoma) (per session)
    • 66991: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); with insertion of intraocular (eg, trabecular meshwork, supraciliary, suprachoroidal) anterior segment aqueous drainage device, without extraocular reservoir, internal approach, one or more
    • 67031: Severing of vitreous strands, vitreous face adhesions, sheets, membranes or opacities, laser surgery (1 or more stages)

    Also known as:

    • Cataract Removal with Lens Implant
    • Extracapsular cataract extraction
    • Phacoemulsification
    • IOL implantation

    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

    Also known as:

    • Eye Injection
    • Intravitreal Injection
    • Retinal Injection
    • Macular Degeneration Injection
    • Eye Medication Injection

    CPT Codes:

    • 67028: Intravitreal injection of a pharmacologic agent (separate procedure)

    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:

    • Tear Duct Plug Insertion
    • Tear Duct Opening Dilation
    • Punctal Plug Insertion
    • Lacrimal Punctum Closure
    • Dry Eye Plugs
    • Lacrimal Punctum Dilation
    • Tear Duct Widening
    • Punctal Dilation

    CPT Codes:

    • 68761: Closure of the lacrimal punctum; by plug, each
    • 68801: Dilation of lacrimal punctum, with or without irrigation

    Also known as:

    • Laser Treatment for Retinopathy
    • Retina Laser Treatment (Photocoagulation)
    • Photocoagulation for Retinopathy
    • Diabetic Retinopathy Laser Treatment
    • Retinal Laser Therapy
    • Retinal photocoagulation
    • Macular edema laser
    • Retina tumor laser treatment

    CPT Codes:

    • 67228: Treatment of extensive or progressive retinopathy (eg, diabetic retinopathy), photocoagulation
    • 67210: Destruction of localized lesion of retina (eg, macular edema, tumors), 1 or more sessions; photocoagulation

    Also known as:

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

    CPT Codes:

    • 66183: Insertion of anterior segment aqueous drainage device, without extraocular reservoir, external approach
    • 66174: Transluminal dilation of aqueous outflow canal (eg, canaloplasty); without retention of device or stent
    • 65820: Goniotomy

    Also known as:

    • Eyelid Lesion Removal
    • Chalazion Removal
    • Eyelid growth removal
    • Eyelid bump excision
    • Eyelid skin lesion surgery
    • Eyelid Cyst Excision
    • Stye Removal Surgery
    • Meibomian Cyst Removal

    CPT Codes:

    • 67840: Excision of lesion of eyelid (except chalazion) without closure or with simple direct closure
    • 67800: Excision of chalazion; single

    Also known as:

    • Corneal Foreign Body Removal with Slit Lamp
    • Eye Foreign Object Removal
    • Corneal Rust Ring Removal
    • Slit Lamp Foreign Body Extraction

    CPT Codes:

    • 65222: Removal of foreign body, external eye; corneal, with slit lamp

    Also known as:

    • Amniotic Membrane Placement on Eye (No Stitches)
    • Ocular surface repair with amniotic membrane
    • Eye membrane graft
    • Sutureless amniotic membrane transplant

    CPT Codes:

    • 65778: Placement of amniotic membrane on the ocular surface; without sutures

    Does Dr. Barak accept my insurance?

    Dr. Barak accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Barak accept in La Verne, CA?

    Dr. Barak in La Verne, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • Centene

    • City of Los Angeles

    • Crown Cork and Seal Company

    • Elevance Health Inc. (formerly Anthem)

    • Heritage Health

    • Medicare

    • Scan Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Barak's office located?

    Dr. Mark Barak's Primary Practice

    1911 Foothill Blvd Ste A

    La Verne, CA 91750

    Get Directions

    Dr. Mark Barak's Practice 2

    655 E Foothill Blvd

    Claremont, CA 91711

    Get Directions

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

    Dr. Barak's National Provider Identifier (NPI) number is 1467594838.

    What common questions do patients ask about Dr. Barak?

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

    What is Dr. Mark Barak's specialty?

    Dr. Barak is a Ophthalmologist near La Verne, CA. An ophthalmologist possesses the knowledge and professional skills required to deliver comprehensive eye and vision care. These medical doctors are trained to diagnose, monitor, and treat all ocular and visual disorders, whether through medical or surgical interventions. Their expertise encompasses a wide range of issues affecting the eye and its structures, including the eyelids, orbit, and visual pathways. Additionally, ophthalmologists prescribe vision services, such as glasses and contact lenses, to help patients achieve optimal visual health. Contact Dr. Barak to book an appointment today.

    Is this Dr. Mark Barak affiliated with a ranked Castle Connolly Top Hospital?

    No, Barak is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Pomona Valley Hospital Medical Center. 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

    Where can I learn more about Ophthalmologist?

    Explore Ophthalmologist with 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 Mark Barak accepting new patients in La Verne, CA?

    Yes, Dr. Mark Barak is accepting new patients at this time.

    Does Dr. Mark Barak offer online booking?

    Please contact Dr. Barak's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Barak?

    Please contact Dr. Barak's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mark Barak have?

    Dr. Mark Barak is certified by the American Board of Ophthalmology.

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