Dr. David Kamen, MD
What this data tells you about Dr. Kamen
Dr. David Kamen is an ophthalmology specialist in Los Angeles, CA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Kamen performed 3,401 Medicare services across 1,763 unique beneficiaries.
Between the years covered by Open Payments, Dr. Kamen received a total of $847 from 9 pharmaceutical and/or device companies across 11 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. Kamen 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. |
1,213 | $111 | $299 |
| Tear duct plug insertion A procedure to insert a small plug into the tear duct opening to help retain tears on the eye surface. |
892 | $83 | $202 |
| 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. |
243 | $81 | $179 |
| Eye drainage system examination An examination of the internal drainage system of the eye to assess how fluid flows and drains from the eye. |
237 | $24 | $60 |
| 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. |
233 | $13 | $99 |
| Comprehensive eye exam, new patient A comprehensive examination of the visual system performed for a new patient. |
227 | $132 | $299 |
| Ultrasound scan to determine eye length and lens power An ultrasound procedure used to measure the length of the eye and calculate the power of the lens. |
128 | $62 | $289 |
| 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. |
82 | $476 | $1,401 |
| 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. |
52 | $18 | $139 |
| Laser removal of recurring cataract A laser procedure to remove a recurring cataract within the lens capsule. |
34 | $303 | $499 |
| Dilation of tear drainage opening A procedure to widen the opening of the tear drainage system to improve the flow of tears from the eye. |
25 | $120 | $250 |
| Complex cataract removal with lens implant A surgical procedure to remove a cataract from the eye and insert an artificial lens to restore vision. |
22 | $642 | $1,486 |
| Incision and drainage of eyelid abscess A minor surgical procedure to cut open and drain an infected, pus-filled swelling on the eyelid. |
13 | $244 | $499 |
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 (82%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
1.6 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. Kamen is a mixed practice specialist, with above-average Medicare volume (top 30% in CA), with low-engagement industry engagement, with 20 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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