Physician Profile
Unclaimed ProfileAbout 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Barak specialize in?
Dr. Barak is an ophthalmology in La Verne, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there 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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (909) 596-5900
- Email not available
Practice Locations
1911 FOOTHILL BLVD STE A
La Verne, CA 91750
Procedures Most Often Billed to Medicare
4,074 services · 1,025 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
52 |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
28 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
26 |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
19 |
| Closure of tear duct opening using plug | Procedure | 68761 |
13 |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
52 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
276 |
| Imaging of retina | Treatment | 92134 |
227 |
| Established patient complete exam of visual system | Treatment | 92014 |
194 |
| Ultrasound of within the brain blood flow for blood clots | Treatment | 93892 |
71 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.