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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. Tien Wong
๐Ÿ‘๏ธ
MDIndividual

Tien Wong, M.D.

NPI: 1003914151
Houston, TX
10 years of data
Ophthalmology
$51.2M
Total Payments
163
Beneficiaries
193.8K
Services
2.49x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$51.2M
Specialty median$383.7K
Rank #38 of 189 in specialty

๐Ÿ“‹ Key Findings

1Billed $51.2M over 10 years
22.49x markup ratio (above median)
399th percentile in Ophthalmology by payments
478 services/day โ€” unusually high
514 procedures with >3x markup

This provider averages 78 services per working day

Based on 193.8K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $51.2M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 78 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$617.49$269.252.29x$348.24$4.5M16.9K17
2015$618.96$272.432.27x$346.53$5.1M18.8K17
2016$609.40$265.432.30x$343.97$5.7M21.5K19
2017$596.69$259.522.30x$337.17$5.8M22.4K18
2018$591.34$256.172.31x$335.17$5.4M21.0K15
2019$599.47$252.832.37x$346.64$5.4M21.4K16
2020$618.80$256.852.41x$361.95$5.0M19.3K12
2021$634.55$258.892.45x$375.66$4.8M18.6K16
2022$765.51$307.502.49x$458.01$4.9M15.9K16
2023$995.23$251.943.95x$743.29$4.5M18.0K17

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$24.3M
33.0K services$738.30/svc2.21x markup
J2778Injection, ranibizumab, 0.1 mg
$19.2M
67.7K services$282.78/svc2.13x markup
67028Injection of drug into eyeโš  5.7x markup
$2.3M
25.2K services$91.41/svc5.67x markup
92014Established patient complete exam of visual system
$1.4M
15.2K services$89.64/svc2.56x markup
92134Imaging of retinaโš  4.7x markup
$1.0M
32.3K services$31.05/svc4.71x markup
J3590Unclassified biologicsโš  3.8x markup
$781.8K
384 services$2.0K/svc3.82x markup
J3490Unclassified drugsโš  3.9x markup
$415.6K
218 services$1.9K/svc3.91x markup
67042Removal of membrane of retina with removal of internal limiting membrane of retinaโš  5.1x markup
$208.9K
216 services$966.99/svc5.08x markup
92012Established patient problem focused exam of visual system
$169.9K
2.8K services$59.96/svc1.98x markup
J2781Injection, pegcetacoplan, intravitreal, 1 mgโš  3.8x markup
$155.3K
1.3K services$120.36/svc3.75x markup
92235Exam of retinal blood vessels using a special camera after injection of a dyeโš  3.8x markup
$154.2K
2.0K services$76.13/svc3.76x markup
J7312Injection, dexamethasone, intravitreal implant, 0.1 mgโš  3.5x markup
$153.4K
981 services$156.33/svc3.55x markup
J2777Injection, faricimab-svoa, 0.1 mgโš  3.9x markup
$145.3K
5.4K services$26.79/svc3.91x markup
67113Repair of detached retina and drainage of eye fluid between lens and retina, complexโš  6.2x markup
$135.7K
125 services$1.1K/svc6.16x markup
67108Repair of detached retina with drainage and removal of eye fluid between lens and retinaโš  5.6x markup
$118.1K
117 services$1.0K/svc5.57x markup
99204New patient office or other outpatient visit, 45-59 minutes
$116.9K
997 services$117.28/svc2.62x markup
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mgโš  3.9x markup
$91.0K
417 services$218.23/svc3.85x markup
92250Photography of the retinaโš  3.8x markup
$86.2K
2.0K services$42.51/svc3.79x markup
92004New patient complete exam of visual system
$76.9K
722 services$106.44/svc2.52x markup
J9035Injection, bevacizumab, 10 mgโš  4.7x markup
$54.0K
978 services$55.26/svc4.68x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg33.0K$24.3M$738.302.21x
J2778Injection, ranibizumab, 0.1 mg67.7K$19.2M$282.782.13x
67028Injection of drug into eye25.2K$2.3M$91.415.67x
92014Established patient complete exam of visual system15.2K$1.4M$89.642.56x
92134Imaging of retina32.3K$1.0M$31.054.71x
J3590Unclassified biologics384$781.8K$2.0K3.82x
J3490Unclassified drugs218$415.6K$1.9K3.91x
67042Removal of membrane of retina with removal of internal limiting membrane of retina216$208.9K$966.995.08x
92012Established patient problem focused exam of visual system2.8K$169.9K$59.961.98x
J2781Injection, pegcetacoplan, intravitreal, 1 mg1.3K$155.3K$120.363.75x
92235Exam of retinal blood vessels using a special camera after injection of a dye2.0K$154.2K$76.133.76x
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg981$153.4K$156.333.55x
J2777Injection, faricimab-svoa, 0.1 mg5.4K$145.3K$26.793.91x
67113Repair of detached retina and drainage of eye fluid between lens and retina, complex125$135.7K$1.1K6.16x
67108Repair of detached retina with drainage and removal of eye fluid between lens and retina117$118.1K$1.0K5.57x
99204New patient office or other outpatient visit, 45-59 minutes997$116.9K$117.282.62x
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg417$91.0K$218.233.85x
92250Photography of the retina2.0K$86.2K$42.513.79x
92004New patient complete exam of visual system722$76.9K$106.442.52x
J9035Injection, bevacizumab, 10 mg978$54.0K$55.264.68x

Markup Analysis

Charge-to-Payment Ratio

2.49x

This provider submits charges 2.49 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.49x means for every $100 Medicare pays, this provider initially charges $249. This is higher than the national average.

Location

Houston, TX

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 TX for peer comparison.

Tien Wong (you)
$51.2M
Jason Ysasaga, M.D.
$61.5M
Harshivinderjit Bains, MD
$53.9M
Ryan Rush, MD
$53.6M
Thomas Bochow, M.D., M.P.H.
$49.4M
David Brown, M.D.
$49.1M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Jason Ysasaga, M.D.Amarillo, TX$61.5Mโœ“ Clear
Harshivinderjit Bains, MDTyler, TX$53.9Mโœ“ Clear
Ryan Rush, MDAmarillo, TX$53.6Mโœ“ Clear
Thomas Bochow, M.D., M.P.H.Tyler, TX$49.4Mโœ“ Clear
David Brown, M.D.Houston, TX$49.1Mโœ“ 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.

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