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Edit this profileAt a glance
- 1911 Foothill Blvd, Ste A, La Verne, CA 91750
About Dr. Barak
Based in La Verne, CA, Mark H. Barak, MD is listed in the NPI registry under ophthalmology. Mark graduated from University of California, San Diego School of Medicine in 1987. According to Medicare claims data, Mark cared for 1,025 Medicare patients across 4,074 services. The services billed most often include injection, faricimab-svoa, 0.1 mg, established patient problem focused exam of visual system, and imaging of retina. NPI 1467594838 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (909) 596-5900
- Email not available
Practice Locations
1911 FOOTHILL BLVD STE A
La Verne, CA 91750
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Cataracts
- Diabetic retinopathy
- Dry eye
- Glaucoma
- Macular degeneration
Cornea and external eye
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
Eyelid and tear drainage
- Blocked tear duct
- Chalazion
- Drooping eyelid
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
- Foreign Object in Eye
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
- Eye Floaters and Flashes
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
- Optical Coherence Tomography Scan
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
- Stye Removal
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
4,074 services · 1,025 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
52 | Less often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
28 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
26 | Less often than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
19 | Less often than most peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
13 | Less often than most peers in Ophthalmology |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
52 | As often as other peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
276 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
227 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
194 | As often as other peers in Ophthalmology |
| Ultrasound of within the brain blood flow for blood clots | Treatment | 93892 |
71 | As often as other peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of California, San Diego School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Injection of drug into eye 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Barak specialize in?
Dr. Barak is an eye doctor in La Verne, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Barak located?
Dr. Barak is listed at 1911 Foothill Blvd Ste A, La Verne, CA 91750. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Barak's phone number?
The number on file is (909) 596-5900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Barak's NPI number?
Dr. Barak's National Provider Identifier is 1467594838. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Barak go to medical school?
Dr. Barak attended University of California, San Diego School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Barak been practicing?
Dr. Barak has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Barak do most often?
According to Medicare billing data, Dr. Barak performs procedures including injection of drug into eye, complex removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan to determine eye length and lens power; provides treatments such as established patient problem focused exam of visual system and imaging of retina. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Barak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Barak. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.