Physician Profile
John Hwang, MD
Unclaimed ProfileAbout Dr. Hwang
Listed in the NPI registry as an ophthalmology — retina specialist, John Hwang, MD practices in Laguna Hills, CA. John graduated from Columbia University College of Physicians and Surgeons in 2005. According to Medicare claims data, John cared for 3,711 Medicare patients across 29,598 services. The services billed most often include injection, faricimab-svoa, 0.1 mg, imaging of retina, and injection of drug into eye.
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
Specialty
Credentials & Licensing
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.
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
- (949) 707-5125
- Email not available
Practice Locations
23521 PASEO DE VALENCIA SUITE 207
Laguna Hills, CA 92653
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
29,598 services · 3,711 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
1,577 | More often than most peers in Ophthalmology — Retina Specialist |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
195 | More than most peers in Ophthalmology — Retina Specialist |
| Imaging of retina | Treatment | 92134 |
2,578 | More often than most peers in Ophthalmology — Retina Specialist |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
1,384 | More often than most peers in Ophthalmology — Retina Specialist |
| Established patient problem focused exam of visual system | Treatment | 92012 |
824 | More often than most peers in Ophthalmology — Retina Specialist |
| Established patient complete exam of visual system | Treatment | 92014 |
683 | More often than most peers in Ophthalmology — Retina Specialist |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
256 | More often than most peers in Ophthalmology — Retina Specialist |
| Exam of retinal blood vessels using a special camera after injection of a dye | Treatment | 92235 |
117 | More often than most peers in Ophthalmology — Retina Specialist |
| Photography of the retina | Treatment | 92250 |
97 | As often as other peers in Ophthalmology — Retina Specialist |
| Injection, faricimab-svoa, 0.1 mg | Drug given | J2777 |
19,505 | More often than most peers in Ophthalmology — Retina Specialist |
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.
Other eye doctors at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Hwang specialize in?
Dr. Hwang is an eye doctor in Laguna Hills, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology — Retina Specialist”.
NPI registry
Where is Dr. Hwang located?
Dr. Hwang is listed at 23521 Paseo de Valencia Suite 207, Laguna Hills, CA 92653. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hwang's phone number?
The number on file is (949) 707-5125. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hwang's NPI number?
Dr. Hwang's National Provider Identifier is 1629235510. 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. Hwang go to medical school?
Dr. Hwang attended Columbia University College of Physicians and Surgeons, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hwang been practicing?
Dr. Hwang has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hwang do most often?
According to Medicare billing data, Dr. Hwang performs procedures including injection of drug into eye; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; provides treatments such as imaging of retina and extended exam of the back part of the eye with optic nerve drawing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hwang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hwang. 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.