Dr. Keith Feder, M.D.
What this data tells you about Dr. Feder
Dr. Keith Feder is an optician specialist in Manhattan Beach, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Feder performed 25,394 Medicare services across 555 unique beneficiaries.
Between the years covered by Open Payments, Dr. Feder received a total of $2,485 from 22 pharmaceutical and/or device companies across 52 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in optician. 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. Feder 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 |
|---|---|---|---|
| Joint lubricant injection (Gel-Syn) An injection of hyaluronan or its derivative into a joint space to supplement joint fluid. |
11,760 | $1 | $4 |
| Hymovis intra-articular injection An injection of Hymovis, a hyaluronan derivative, administered directly into a joint space. |
4,728 | $13 | $62 |
| Joint lubricant injection (TriVisc) An injection of hyaluronan or a derivative into a joint space. The dose specified is 1 milligram. |
4,350 | $7 | $27 |
| Extended-release steroid injection (Zilretta) An injection of triamcinolone acetonide using a preservative-free, extended-release microsphere formulation. The dosage is measured in milligrams. |
1,568 | $13 | $44 |
| Hyaluronan joint injection, 1 mg An injection of hyaluronan or a derivative into a joint space to supplement joint fluid. |
1,120 | $19 | $34 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
665 | $76 | $126 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
406 | $45 | $99 |
| Ultrasound-guided large joint aspiration or injection This procedure uses ultrasound imaging to guide the removal of fluid from or the injection of medication into a large joint. |
213 | $69 | $800 |
| Betamethasone steroid injection An injection containing a combination of betamethasone acetate and betamethasone sodium phosphate. |
164 | $5 | $30 |
| Knee X-ray, 4 or more views An imaging test using X-rays to create multiple pictures of the knee joint from different angles. |
152 | $41 | $119 |
| Complete ultrasound scan of joint An ultrasound exam that uses sound waves to create detailed images of a joint. This procedure allows for the visualization of the joint's internal structures. |
140 | $46 | $800 |
| Shoulder X-ray, 2+ views An X-ray imaging test of the shoulder joint using at least two different angles to visualize the bones and surrounding structures. |
66 | $29 | $222 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
33 | $88 | $205 |
| Hyaluronan intra-articular injection An injection of hyaluronan or a derivative into a joint to provide lubrication and cushioning. |
18 | $559 | $2,044 |
| X-ray of upper spine, 6 or more views An X-ray imaging test of the upper spine using six or more separate views to capture detailed images of the bones and structures in that area. |
11 | $52 | $225 |
Industry Payment Transparency
Open Payments through 2024 ↗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 (2024)
All-time payments by company (2018-2024) ›
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
4.6 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 2024 |
| 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. Feder is a mixed practice specialist, with above-average Medicare volume (top 4% 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
Is Dr. Feder experienced with joint lubricant injection (gel-syn)?
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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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