Dr. Shyun Jeng, M.D.
What this data tells you about Dr. Jeng
Dr. Shyun Jeng is an ophthalmology specialist in Torrance, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Jeng performed 6,205 Medicare services across 5,163 unique beneficiaries.
Between the years covered by Open Payments, Dr. Jeng received a total of $445 from 7 pharmaceutical and/or device companies across 13 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in ophthalmology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Jeng is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Comprehensive eye exam, established patient A comprehensive examination of the visual system performed for a patient who has previously been seen by the provider. |
1,363 | $107 | $160 |
| Visual field test, extended A test that maps your complete field of vision to detect blind spots or peripheral vision loss. Extended testing provides a more detailed assessment than a standard visual field exam. |
1,091 | $55 | $105 |
| Retinal photography (fundus photo) This procedure involves taking photographs of the retina, the light-sensitive tissue at the back of the eye. It is used to document the condition of the eye's interior structures. |
807 | $31 | $100 |
| Eye drainage system examination An examination of the internal drainage system of the eye to assess how fluid flows and drains from the eye. |
782 | $24 | $50 |
| Optic nerve imaging (OCT scan) Imaging of the optic nerve. |
520 | $30 | $100 |
| Extended exam of back of eye with optic nerve drawing A detailed examination of the posterior section of the eye, including the optic nerve, with documentation through drawing. |
410 | $13 | $40 |
| Eye exam, established patient, focused A limited examination of the visual system for an existing patient. The provider focuses on a specific eye-related concern or symptom. |
409 | $79 | $105 |
| Comprehensive eye exam, new patient A comprehensive examination of the visual system performed for a new patient. |
240 | $124 | $200 |
| Corneal topography and eye depth measurement This procedure measures the curvature and depth of the cornea, the clear front surface of the eye. |
205 | $39 | $150 |
| Retinal imaging (OCT scan) This procedure involves imaging the retina to visualize its structure. It is used to examine the back of the eye. |
81 | $35 | $100 |
| Tear duct plug insertion A procedure to insert a small plug into the tear duct opening to help retain tears on the eye surface. |
72 | $183 | $300 |
| Ultrasound scan of cornea to determine thickness An ultrasound procedure used to measure the thickness of the cornea. |
43 | $9 | $20 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
36 | $130 | $200 |
| Laser removal of recurring cataract A laser procedure to remove a recurring cataract within the lens capsule. |
35 | $284 | $500 |
| Laser eye fluid drainage tract creation A laser procedure used to create drainage tracts in the iris to help fluid flow out of the eye. |
34 | $255 | $500 |
| Eyelash removal with forceps This procedure involves the manual removal of eyelashes using forceps. It is a mechanical extraction method performed on the eyelid area. |
27 | $17 | $150 |
| Laser repair to improve eye fluid flow A laser procedure used to enhance the drainage of fluid within the eye. |
25 | $215 | $800 |
| Cataract surgery with lens implant Surgical removal of the clouded natural lens of the eye and replacement with an artificial prosthetic lens to restore vision. |
25 | $441 | $2,000 |
Industry Payment Transparency
Open Payments through 2023 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2023)
All-time payments by company (2018-2023) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2023 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Jeng is a mixed practice specialist, with above-average Medicare volume (top 16% in CA), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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