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Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
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ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Tony Tsai
๐Ÿ‘๏ธ
MDIndividual

Tony Tsai, M.D.

NPI: 1548294101
Sacramento, CA
10 years of data
Ophthalmology
$35.7M
Total Payments
278
Beneficiaries
244.3K
Services
2.88x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$35.7M
Specialty median$383.7K
Rank #156 of 189 in specialty

๐Ÿ“‹ Key Findings

1Billed $35.7M over 10 years
22.88x markup ratio (above median)
399th percentile in Ophthalmology by payments
498 services/day โ€” unusually high
55 procedures with >3x markup

This provider averages 98 services per working day

Based on 244.3K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $35.7M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 98 services per working day raises questions about billing patterns.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

Submitted Charges vs. Medicare Payments

Average per-service amounts submitted by the provider compared to what Medicare actually paid โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$246.96$143.221.72x$103.74$3.8M26.4K32
2015$445.86$177.712.51x$268.15$4.2M23.8K29
2016$434.34$170.392.55x$263.95$3.8M22.4K25
2017$469.74$175.522.68x$294.22$3.4M19.5K26
2018$385.78$150.282.57x$235.50$2.9M19.4K28
2019$420.94$151.292.78x$269.65$2.8M18.4K29
2020$539.17$174.953.08x$364.22$3.3M19.0K28
2021$750.95$196.103.83x$554.85$3.5M18.1K28
2022$579.17$163.123.55x$416.05$3.9M24.0K25
2023$255.30$73.663.47x$181.64$3.9M53.3K28

Top Procedures (20)

J0178Injection, aflibercept, 1 mgโš  3.0x markup
$14.5M
19.5K services$743.20/svc3.05x markup
J2778Injection, ranibizumab, 0.1 mg
$8.8M
31.4K services$280.27/svc2.57x markup
67028Injection of drug into eyeโš  4.5x markup
$2.1M
23.1K services$91.80/svc4.55x markup
92014Established patient complete exam of visual system
$1.7M
18.1K services$95.38/svc2.08x markup
J2777Injection, faricimab-svoa, 0.1 mg
$1.4M
46.2K services$29.24/svc2.74x markup
92134Imaging of retina
$1.1M
32.8K services$33.66/svc2.54x markup
92235Exam of retinal blood vessels using a special camera after injection of a dye
$998.5K
11.7K services$85.28/svc2.10x markup
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg
$588.9K
3.7K services$157.84/svc2.77x markup
92250Photography of the retina
$469.1K
9.7K services$48.40/svc2.12x markup
92012Established patient problem focused exam of visual system
$437.8K
6.3K services$69.98/svc2.26x markup
J7999Compounded drug, not otherwise classified
$294.5K
4.6K services$64.64/svc1.99x markup
67108Repair of detached retina with drainage and removal of eye fluid between lens and retinaโš  3.9x markup
$293.2K
276 services$1.1K/svc3.92x markup
67042Removal of membrane of retina with removal of internal limiting membrane of retinaโš  3.2x markup
$278.3K
276 services$1.0K/svc3.20x markup
Q5124Injection, ranibizumab-nuna, biosimilar, (byooviz), 0.1 mg
$268.8K
1.5K services$173.97/svc2.87x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$223.7K
2.7K services$83.59/svc2.39x markup
99204New patient office or other outpatient visit, 45-59 minutes
$209.1K
1.7K services$124.89/svc2.14x markup
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mgโš  3.1x markup
$200.6K
917 services$218.76/svc3.06x markup
67228Destruction of leaking blood vessels of retina using laser
$193.7K
410 services$472.45/svc2.35x markup
92004New patient complete exam of visual system
$178.0K
1.5K services$115.79/svc2.11x markup
J3590Unclassified biologics
$171.9K
2.3K services$76.01/svc2.58x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg19.5K$14.5M$743.203.05x
J2778Injection, ranibizumab, 0.1 mg31.4K$8.8M$280.272.57x
67028Injection of drug into eye23.1K$2.1M$91.804.55x
92014Established patient complete exam of visual system18.1K$1.7M$95.382.08x
J2777Injection, faricimab-svoa, 0.1 mg46.2K$1.4M$29.242.74x
92134Imaging of retina32.8K$1.1M$33.662.54x
92235Exam of retinal blood vessels using a special camera after injection of a dye11.7K$998.5K$85.282.10x
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg3.7K$588.9K$157.842.77x
92250Photography of the retina9.7K$469.1K$48.402.12x
92012Established patient problem focused exam of visual system6.3K$437.8K$69.982.26x
J7999Compounded drug, not otherwise classified4.6K$294.5K$64.641.99x
67108Repair of detached retina with drainage and removal of eye fluid between lens and retina276$293.2K$1.1K3.92x
67042Removal of membrane of retina with removal of internal limiting membrane of retina276$278.3K$1.0K3.20x
Q5124Injection, ranibizumab-nuna, biosimilar, (byooviz), 0.1 mg1.5K$268.8K$173.972.87x
99214Established patient office or other outpatient visit, 30-39 minutes2.7K$223.7K$83.592.39x
99204New patient office or other outpatient visit, 45-59 minutes1.7K$209.1K$124.892.14x
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg917$200.6K$218.763.06x
67228Destruction of leaking blood vessels of retina using laser410$193.7K$472.452.35x
92004New patient complete exam of visual system1.5K$178.0K$115.792.11x
J3590Unclassified biologics2.3K$171.9K$76.012.58x

Markup Analysis

Charge-to-Payment Ratio

2.88x

This provider submits charges 2.88 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.88x means for every $100 Medicare pays, this provider initially charges $288. This is higher than the national average.

Location

Sacramento, CA

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Similar Providers

Other Ophthalmology providers in CA for peer comparison.

Tony Tsai (you)
$35.7M
Nathan Steinle, M.D.
$63.1M
Stephen Couvillion, MD
$47.7M
Margaret Chang, M.D.
$47.6M
David Boyer, MD
$47.5M
Alessandro Castellarin, M.D.
$46.9M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Nathan Steinle, M.D.Santa Barbara, CA$63.1Mโœ“ Clear
Stephen Couvillion, MDSanta Barbara, CA$47.7Mโœ“ Clear
Margaret Chang, M.D.Sacramento, CA$47.6Mโœ“ Clear
David Boyer, MDLos Angeles, CA$47.5Mโœ“ Clear
Alessandro Castellarin, M.D.Santa Barbara, CA$46.9Mโœ“ Clear

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Data Sources

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข National Plan and Provider Enumeration System (NPPES)

Last Updated: February 2026 (data through 2023, the latest CMS release)

Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

Believe this data is inaccurate? Dispute this data