Medicare Enrolled

Dr. Mayling Chin Chu, MD

Ophthalmology · Brooklyn, NY
Practice pattern: Mixed Practice — Diverse clinical practice across multiple procedure types
48 LIVINGSTON STREET, Brooklyn, NY 11201
7188751184
Registered in NPPES since 2007
NPI: 1801934021 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. Chin Chu 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. Chin Chu

Dr. Mayling Chin Chu is an ophthalmology specialist in Brooklyn, NY, with 19 years of NPI registration. Based on federal Medicare data, Dr. Chin Chu performed 3,107 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Chin Chu received a total of $3,235 from 25 pharmaceutical and/or device companies across 118 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Chin Chu 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 of NPI registration ▲ Top 30% volume in NY $3,235 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
3,107
Medicare services
Top 30% in NY for ophthalmology
Not available
Unique patients (not deduplicated)
$66
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

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
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.
886 $77 $163
Comprehensive eye exam, established patient
A comprehensive examination of the visual system performed for a patient who has previously been seen by the provider.
629 $103 $225
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.
443 $56 $150
Extended eye exam with retinal drawing
A detailed examination of the back of the eye that includes creating a drawing of the retina.
347 $20 $150
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.
287 $31 $125
Optic nerve imaging (OCT scan)
Imaging of the optic nerve.
181 $31 $135
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.
114 $13 $150
Tear duct plug insertion
A procedure to insert a small plug into the tear duct opening to help retain tears on the eye surface.
94 $112 $250
Comprehensive eye exam, new patient
A comprehensive examination of the visual system performed for a new patient.
55 $112 $250
Retinal imaging (OCT scan)
This procedure involves imaging the retina to visualize its structure. It is used to examine the back of the eye.
43 $34 $150
Laser removal of recurring cataract
A laser procedure to remove a recurring cataract within the lens capsule.
17 $294 $1,000
New patient eye exam, problem focused
A focused examination of the visual system performed during a new patient visit.
11 $57 $175
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. These counts do not measure clinical quality or years of experience.

Industry Payment Transparency

Open Payments through 2024 ↗
$3,235
Total received (2018-2024)
Avg $462/year across 7 years
Top 29% in NY for ophthalmology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
25
Companies
118
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$423
2023
$613
2022
$429
2021
$358
2020
$157
2019
$595
2018
$660

Payments by company (2024)

Amgen Inc.
$125
ABBVIE INC.
$61
Tarsus Pharmaceuticals, Inc.
$58
Bausch & Lomb Americas Inc.
$54
Dompe US, Inc.
$53
SUN PHARMACEUTICAL INDUSTRIES INC.
$19
Oyster Point Pharma, Inc.
$19
Harrow Eye, LLC
$18
Thea Pharma Inc.
$16
Top 3 companies account for 57.8% of 2024 payments
All-time payments by company (2018-2024) ›
Shire North American Group Inc
$546
Oyster Point Pharma, Inc.
$405
Novartis Pharmaceuticals Corporation
$367
Bausch & Lomb Americas Inc.
$276
Aerie Pharmaceuticals, Inc.
$217
Bausch & Lomb, a division of Bausch Health US, LLC
$165
Allergan, Inc.
$128
Amgen Inc.
$125
Bayer HealthCare Pharmaceuticals Inc.
$119
Kala Pharmaceuticals, Inc.
$102
NEW WORLD MEDICAL,INC.
$91
Merck Sharp & Dohme Corporation
$87
EYEVANCE PHARMACEUTICALS LLC
$87
Allergan Inc.
$79
AbbVie Inc.
$71
Alcon Vision LLC
$68
ABBVIE INC.
$61
Tarsus Pharmaceuticals, Inc.
$58
Dompe US, Inc.
$53
Thea Pharma Inc.
$44
BIOTISSUE HOLDINGS, INC.
$21
SUN PHARMACEUTICAL INDUSTRIES INC.
$19
Harrow Eye, LLC
$18
Eyevance Pharmaceuticals LLC
$15
Horizon Therapeutics plc
$14
Top 3 companies account for 40.7% of all-time payments
Associated products mentioned in payments ›
ALREX · Ahmed Glaucoma Valve · BEPREVE · COMBIGAN · Cequa · INVELTYS · IYUZEH · Kerendia · LUMIGAN · MIEBO · OXERVATE · PROKERA · PROLENSA · RESTASIS · RESTASIS MULTIDOSE · Rhopressa · Rocklatan · SIMBRINZA · STEGLATRO · Simbrinza · TEPEZZA · TRAVATAN Z · TYRVAYA · TobraDex ST · Tobradex ST · VEVYE · VYZULTA · XDEMVY · XIIDRA · rhopressa
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. 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 →
Looking for an ophthalmology specialist in Brooklyn?
Compare ophthalmologists in the Brooklyn area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Ophthalmologists in nearby ZIP areas
1,366
County median income
$78,548
Nearest hospital to ZIP centroid (approximate)
BROOKLYN HOSPITAL CENTER - DOWNTOWN CAMPUS
0.0 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not included 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. Chin Chu is a mixed practice specialist, with above-average Medicare volume (top 30% in NY), 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. Chin Chu experienced with eye exam, established patient, focused?
Based on Medicare claims data, Dr. Chin Chu performed 886 eye exam, established patient, focused services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Chin Chu receive payments from pharmaceutical companies?
Yes. Dr. Chin Chu received a total of $3,235 from 25 companies across 118 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. 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. Chin Chu's costs compare to other ophthalmologists in Brooklyn?
Dr. Chin Chu's average Medicare payment per service is $66. 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. Chin Chu) 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 the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. 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?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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. Industry payment disclosure alone establishes neither wrongdoing nor legality. 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 →