Physician Profile
Based in Los Angeles, CA, Wonkyu Pak, M.D. is listed in the NPI registry under ophthalmology. Wonkyu graduated from Columbia University College of Physicians and Surgeons in 1985. According to Medicare claims data, Wonkyu cared for 1,331 Medicare patients across 1,717 services. The services billed most often include established patient problem focused exam of visual system, established patient complete exam of visual system, and imaging of retina.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
266 S HARVARD BLVD SUITE 500
Los Angeles, CA 90004
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.
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
1,717 services · 1,331 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
69 | Less often than most peers in Ophthalmology |
| Removal of eyelashes using forceps | Procedure | 67820 |
44 | More often than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
31 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
19 | Less often than most peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
18 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
20 | Less often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
460 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
303 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
234 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
197 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Wonkyu Pak is an eye doctor in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Wonkyu Pak is listed at 266 S Harvard Blvd Suite 500, Los Angeles, CA 90004. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (213) 739-6900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Wonkyu Pak's National Provider Identifier is 1376542894. 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
Wonkyu Pak attended Columbia University College of Physicians and Surgeons, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Wonkyu Pak has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Wonkyu Pak performs procedures including injection of drug into eye, removal of eyelashes using forceps and removal of cataract with insertion of prosthetic lens; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as established patient problem focused exam of visual system and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Wonkyu Pak. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.