Medicare Enrolled

Dr. Kenneth Cohn, M.D.

Ophthalmology · South Gate, CA
Practice pattern: Mixed Practice — Diverse clinical practice across multiple procedure types
Low-engagement
3849 TWEEDY BLVD, South Gate, CA 90280
3235671396
In practice since 2006 (19 years)
NPI: 1578581187 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Cohn from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Cohn

Dr. Kenneth Cohn is an ophthalmology specialist in South Gate, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Cohn performed 2,176 Medicare services across 1,905 unique beneficiaries.

Between the years covered by Open Payments, Dr. Cohn received a total of $4,366 from 23 pharmaceutical and/or device companies across 251 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. Cohn 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.

✓ 19 years in practice ▲ Top 44% volume in CA $4,366 industry payments

Medicare Practice Summary

Medicare Utilization ↗
2,176
Medicare services
Top 44% in CA for ophthalmology
1,905
Unique beneficiaries
$60
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
~115 Medicare services per year of practice

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
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.
435 $50 $110
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.
375 $75 $145
Optic nerve imaging (OCT scan)
Imaging of the optic nerve.
338 $29 $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.
316 $32 $155
Comprehensive eye exam, established patient
A comprehensive examination of the visual system performed for a patient who has previously been seen by the provider.
273 $94 $170
Ultrasound scan of cornea to determine thickness
An ultrasound procedure used to measure the thickness of the cornea.
119 $9 $60
Comprehensive eye exam, new patient
A comprehensive examination of the visual system performed for a new patient.
111 $99 $200
Eye drainage system examination
An examination of the internal drainage system of the eye to assess how fluid flows and drains from the eye.
98 $22 $80
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.
40 $66 $145
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.
37 $56 $120
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.
34 $469 $1,400
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. A higher procedure volume generally indicates more experience with that procedure.
1.6% high complexity
37.2% medium
61.2% routine

Industry Payment Transparency

Open Payments through 2024 ↗
$4,366
Total received (2018-2024)
Avg $624/year across 7 years
Top 27% in CA for ophthalmology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
23
Companies
251
Individual payments
All payments are legal and publicly reported · Not evidence of wrongdoing · How to interpret →

Payment profile

Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.

Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$4,111 (94.2%)
Speaking / Promotional
Speaker programs, honoraria, and industry-sponsored educational events
$254 (5.8%)

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$779
2023
$590
2022
$856
2021
$310
2020
$671
2019
$609
2018
$551

Payments by company (2024)

Consulting
Speaking
Meals & Travel
Research
Bausch & Lomb Americas Inc.
$212
Oyster Point Pharma, Inc.
$202
ABBVIE INC.
$173
Alcon Vision LLC
$108
Harrow Eye, LLC
$34
Tarsus Pharmaceuticals, Inc.
$26
Optos, Inc.
$23
Top 3 companies account for 75.4% of 2024 payments
All-time payments by company (2018-2024) ›
Oyster Point Pharma, Inc.
$822
Novartis Pharmaceuticals Corporation
$612
Allergan, Inc.
$464
Allergan Inc.
$391
Shire North American Group Inc
$323
Bausch & Lomb Americas Inc.
$274
Bausch & Lomb, a division of Bausch Health US, LLC
$241
ABBVIE INC.
$229
Aerie Pharmaceuticals, Inc.
$215
Sun Pharmaceutical Industries Inc.
$171
Alcon Vision LLC
$153
Mallinckrodt Hospital Products Inc.
$108
Horizon Therapeutics plc
$75
AbbVie Inc.
$55
SUN PHARMACEUTICAL INDUSTRIES INC.
$37
Harrow Eye, LLC
$34
Kala Pharmaceuticals, Inc.
$32
Tarsus Pharmaceuticals, Inc.
$26
Thea Pharma Inc.
$23
Optos, Inc.
$23
Eyevance Pharmaceuticals LLC
$22
EYEVANCE PHARMACEUTICALS LLC
$20
BioTissue Holdings, Inc.
$17
Top 3 companies account for 43.5% of all-time payments
Associated products mentioned in payments ›
ACTHAR · BROMSITE · COMBIGAN · Cequa · DUREZOL · DURYSTA · Flarex · INVELTYS · LOTEMAX · LOTEMAX SM · LUMIGAN · MIEBO · NFC-700 · PROKERA · PROLENSA · RESTASIS · RESTASIS MULTIDOSE · Rhopressa · Rocklatan · TEPEZZA · TRAVATAN Z · TYRVAYA · VEVYE · VUITY · VYZULTA · XDEMVY · XIIDRA · rhopressa · rocklatan
Should you be concerned? Payments from pharmaceutical and device companies are legal and common — 57% of U.S. physicians receive at least one. They often reflect legitimate consulting, research, or education. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →

Most payments (94%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.

Looking for an ophthalmology specialist in South Gate?
Compare ophthalmologists in the South Gate area by procedure volume, costs, and industry payment transparency.
Browse ophthalmologists nearby

Geographic Context

Ophthalmologists within 10 mi
881
Per 100K population
8.9
County median income
$87,760
Nearest hospital
SAINT FRANCIS MEDICAL CENTER
1.5 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. Cohn is a mixed practice specialist, with moderate Medicare volume, 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. Cohn experienced with visual field test, extended?
Based on Medicare claims data, Dr. Cohn performed 435 visual field test, extended services. Research suggests that higher procedure volume is often associated with better outcomes, particularly for complex procedures. Note that Medicare data only captures patients aged 65 and older, so the total practice volume across all patients is likely higher.
Does Dr. Cohn receive payments from pharmaceutical companies?
Yes. Dr. Cohn received a total of $4,366 from 23 companies across 251 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common among physicians — 57% of all U.S. physicians receive at least one industry payment. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Cohn's costs compare to other ophthalmologists in South Gate?
Dr. Cohn's average Medicare payment per service is $60. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Cohn) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating a long track record of practice, Medicare participation, and industry disclosure. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Each data source has its own update cycle. Provider registry data (NPPES) is updated weekly. Medicare enrollment (PECOS) is updated monthly. Medicare practice data has a ~2 year lag — the most recent available is typically 2 years prior. Industry payment data (Open Payments) is published annually, usually in June, covering the prior calendar year. We display the data date prominently on each section so you always know how current it is. See our data freshness policy →
About this page

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.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →