Provider Profile
Madeline Yung practices ophthalmology in San Francisco, CA. Madeline is a 2016 graduate of University of California, Geffen School of Medicine. Madeline is also listed as specializing in general acute care hospital. Medicare claims data shows Madeline provided 703 services to 566 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, measurement of corneal curvature and depth of eye, 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.
1001 POTRERO AVENUE, BLDG. 5, 4M
San Francisco, CA 94110
10301 Nick Way
Elk Grove, CA 95757
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
703 services · 566 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
59 | Less often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
55 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
75 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
64 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
39 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
39 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
38 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
37 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
29 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
28 | Less often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Madeline Yung is an eye doctor in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Madeline Yung is listed at 1001 Potrero Avenue, Bldg. 5, 4M, San Francisco, CA 94110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (628) 206-8304. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Madeline Yung's National Provider Identifier is 1285098707. 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
Madeline Yung attended University of California, Geffen School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
Madeline Yung has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Madeline Yung performs procedures including removal of cataract with insertion of prosthetic lens and complex removal of cataract with insertion of prosthetic lens; provides treatments such as measurement of corneal curvature and depth of eye and imaging of retina, 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 Madeline Yung. 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.