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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. Nicholas Marchase
๐Ÿ‘๏ธ
MDIndividual

Nicholas Marchase, M.D.

NPI: 1518226372
Conway, SC
8 years of data
Ophthalmology
$13.4M
Total Payments
128
Beneficiaries
125.9K
Services
2.59x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$13.4M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $13.4M over 8 years
22.59x markup ratio (above median)
399th percentile in Ophthalmology by payments
463 services/day โ€” unusually high
5Payments surged 181% in 2021
67 procedures with >3x markup

This provider averages 63 services per working day

Based on 125.9K total services over 8 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $13.4M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 63 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 247% from 2016 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

๐Ÿ“ˆ

Notable: Payments increased 181% in 2021

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

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
2016$1.0K$436.292.40x$609.64$1.2M2.7K7
2017$963.47$378.112.55x$585.36$1.9M5.0K14
2018$676.21$274.902.46x$401.31$426.4K1.6K14
2019$301.90$168.711.79x$133.19$707.3K4.2K14
2020$308.71$155.921.98x$152.79$627.1K4.0K15
2021$399.72$163.562.44x$236.16$1.8M10.8K23
2022$486.51$176.582.76x$309.93$2.8M15.7K19
2023$140.99$49.422.85x$91.57$4.1M82.0K22

Top Procedures (20)

J2778Injection, ranibizumab, 0.1 mg
$5.3M
23.4K services$225.49/svc2.55x markup
J0178Injection, aflibercept, 1 mg
$3.8M
5.2K services$739.53/svc1.69x markup
J2777Injection, faricimab-svoa, 0.1 mg
$1.9M
66.5K services$28.89/svc2.42x markup
67028Injection of drug into eyeโš  6.7x markup
$802.7K
8.8K services$90.98/svc6.68x markup
92134Imaging of retina
$229.8K
7.7K services$29.98/svc2.78x markup
92014Established patient complete exam of visual system
$148.4K
1.6K services$90.08/svc2.01x markup
99204New patient office or other outpatient visit, 45-59 minutes
$141.0K
1.2K services$120.66/svc1.93x markup
67145Photocoagulation treatment to prevent detachment of retinaโš  3.2x markup
$128.4K
444 services$289.20/svc3.18x markup
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg
$122.6K
805 services$152.24/svc1.80x markup
92012Established patient problem focused exam of visual system
$111.8K
1.7K services$64.68/svc2.01x markup
67210Destruction of growth of retina using a laser
$78.6K
204 services$385.16/svc2.62x markup
92250Photography of the retinaโš  3.6x markup
$75.8K
2.5K services$30.52/svc3.61x markup
J9035Injection, bevacizumab, 10 mg
$63.4K
1.1K services$56.27/svc1.72x markup
67228Destruction of leaking blood vessels of retina using laserโš  5.4x markup
$62.3K
241 services$258.39/svc5.41x markup
92235Exam of retinal blood vessels using a special camera after injection of a dye
$57.2K
651 services$87.81/svc2.68x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$54.5K
619 services$88.12/svc1.73x markup
67042Removal of membrane of retina with removal of internal limiting membrane of retinaโš  9.5x markup
$47.6K
188 services$253.16/svc9.47x markup
67113Complex repair of detached retina and drainage of eye fluid between lens and retinaโš  4.8x markup
$41.2K
69 services$597.82/svc4.84x markup
67108Repair of detached retina with drainage and removal of eye fluid between lens and retinaโš  7.2x markup
$39.6K
115 services$344.48/svc7.22x markup
66821Removal of recurring cataract in lens capsule using a laser
$38.5K
160 services$240.87/svc2.32x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J2778Injection, ranibizumab, 0.1 mg23.4K$5.3M$225.492.55x
J0178Injection, aflibercept, 1 mg5.2K$3.8M$739.531.69x
J2777Injection, faricimab-svoa, 0.1 mg66.5K$1.9M$28.892.42x
67028Injection of drug into eye8.8K$802.7K$90.986.68x
92134Imaging of retina7.7K$229.8K$29.982.78x
92014Established patient complete exam of visual system1.6K$148.4K$90.082.01x
99204New patient office or other outpatient visit, 45-59 minutes1.2K$141.0K$120.661.93x
67145Photocoagulation treatment to prevent detachment of retina444$128.4K$289.203.18x
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg805$122.6K$152.241.80x
92012Established patient problem focused exam of visual system1.7K$111.8K$64.682.01x
67210Destruction of growth of retina using a laser204$78.6K$385.162.62x
92250Photography of the retina2.5K$75.8K$30.523.61x
J9035Injection, bevacizumab, 10 mg1.1K$63.4K$56.271.72x
67228Destruction of leaking blood vessels of retina using laser241$62.3K$258.395.41x
92235Exam of retinal blood vessels using a special camera after injection of a dye651$57.2K$87.812.68x
99214Established patient office or other outpatient visit, 30-39 minutes619$54.5K$88.121.73x
67042Removal of membrane of retina with removal of internal limiting membrane of retina188$47.6K$253.169.47x
67113Complex repair of detached retina and drainage of eye fluid between lens and retina69$41.2K$597.824.84x
67108Repair of detached retina with drainage and removal of eye fluid between lens and retina115$39.6K$344.487.22x
66821Removal of recurring cataract in lens capsule using a laser160$38.5K$240.872.32x

Markup Analysis

Charge-to-Payment Ratio

2.59x

This provider submits charges 2.59 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.59x means for every $100 Medicare pays, this provider initially charges $259. This is higher than the national average.

Location

Conway, SC

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 SC for peer comparison.

Nicholas Marchase (you)
$13.4M
Eric Jablon, M.D.
$49.1M
John Wells, MD
$38.6M
John Payne, MD
$37.4M
John Kerrison, M.D.
$35.7M
David Johnson, MD
$34.8M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Eric Jablon, M.D.Charleston, SC$49.1Mโœ“ Clear
John Wells, MDWest Columbia, SC$38.6Mโœ“ Clear
John Payne, MDWest Columbia, SC$37.4Mโœ“ Clear
John Kerrison, M.D.Charleston, SC$35.7Mโœ“ Clear
David Johnson, MDWest Columbia, SC$34.8Mโœ“ 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