Physician Profile
Nga Yan Siu, DO
Unclaimed ProfileAbout Dr. Siu
Based in Southampton, NY, Nga Yan Siu, DO is listed in the NPI registry under ophthalmology. Nga Yan is also listed as specializing in ophthalmology — glaucoma. Medicare claims data shows Nga Yan provided 3,610 services to 3,054 patients. The services billed most often include established patient problem focused exam of visual system, imaging of optic nerve, and exam of the internal drainage system of eye.
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.
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
- (631) 444-4796
- Email not available
Practice Locations
67 HAMPTON RD
Southampton, NY 11968
1 N Washington Ave
Bergenfield, NJ 07621
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
3,610 services · 3,054 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Closure of tear duct opening using plug | Procedure | 68761 |
48 | As often as other peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
26 | Less often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
19 | As often as other peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
224 | More than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
679 | More than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
518 | More than most peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
508 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
496 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
473 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
225 | More than most 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 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other eye doctors in Southampton 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Closure of tear duct opening using plug 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Siu's specialty?
Dr. Siu is an eye doctor in Southampton, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Siu?
Dr. Siu is listed at 67 Hampton Rd, Southampton, NY 11968. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Siu?
The number on file is (631) 444-4796. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Siu?
Dr. Siu's National Provider Identifier is 1902284169. 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
What is Dr. Siu's medical education?
Dr. Siu attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Siu have?
Dr. Siu has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Siu known for?
According to Medicare billing data, Dr. Siu performs procedures including closure of tear duct opening using plug, removal of cataract with insertion of prosthetic lens and complex 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 imaging of optic nerve. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Siu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Siu. 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.