Physician Profile
Barry Y. Fung, M.D. practices ophthalmology in Los Altos, CA. Medicare claims data shows Barry provided 6,642 services to 4,564 patients. The services billed most often include established patient problem focused exam of visual system, extended exam of the back part of the eye with retinal drawing, and imaging of optic nerve.
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.
4906 EL CAMINO REAL STE B
Los Altos, CA 94022
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
6,642 services · 4,564 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dilation of tear drainage opening | Procedure | 68801 |
478 | More than most peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
446 | More than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
82 | More often than most peers in Ophthalmology |
| Creation of eye fluid drainage tracts in iris using a laser, per session | Procedure | 66761 |
71 | More than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
48 | Less often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
31 | More often than most peers in Ophthalmology |
| Probing of nasal tear duct | Procedure | 68840 |
19 | Less often than most peers in Ophthalmology |
| Removal of foreign body or stone in tear passages | Procedure | 68530 |
14 | Too few peers to compare |
| Removal of eyelashes using forceps | Procedure | 67820 |
13 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
175 | More than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Barry Y. Fung is an eye doctor in Los Altos, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Barry Y. Fung is listed at 4906 El Camino Real Ste B, Los Altos, CA 94022. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 967-7834. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Barry Y. Fung's National Provider Identifier is 1225079205. 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
Barry Y. Fung attended Other, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
Barry Y. Fung has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Barry Y. Fung performs procedures including dilation of tear drainage opening, closure of tear duct opening using plug and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness and ultrasound scan to determine eye length and lens power; provides treatments such as established patient problem focused exam of visual system and extended exam of the back part of the eye with retinal drawing, 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 Barry Y. Fung. 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.