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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. Vishak John
๐Ÿ‘๏ธ
MDIndividual

Vishak John, M.D.

NPI: 1255515623
Winston Salem, NC
10 years of data
Ophthalmology
$23.1M
Total Payments
159
Beneficiaries
149.1K
Services
1.48x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$23.1M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $23.1M over 10 years
299th percentile in Ophthalmology by payments
360 services/day โ€” unusually high
4Payments surged 832% in 2018
51 procedure with >3x markup

This provider averages 60 services per working day

Based on 149.1K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $23.1M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 60 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 2932% from 2014 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 832% in 2018

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
2014$271.49$79.783.40x$191.71$140.6K1.8K13
2015$231.94$51.644.49x$180.30$103.1K2.0K13
2016$234.93$51.554.56x$183.38$148.7K2.9K13
2017$299.03$89.473.34x$209.56$261.5K2.9K16
2018$318.25$238.641.33x$79.61$2.4M10.2K17
2019$321.05$232.291.38x$88.76$3.8M16.5K18
2020$348.41$250.721.39x$97.69$3.8M15.3K17
2021$348.67$247.681.41x$100.99$4.0M16.1K19
2022$282.15$195.321.44x$86.83$4.1M20.9K16
2023$104.37$70.531.48x$33.84$4.3M60.4K17

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$11.4M
15.7K services$728.99/svc1.37x markup
J2778Injection, ranibizumab, 0.1 mg
$5.7M
22.4K services$256.22/svc1.58x markup
J2777Injection, faricimab-svoa, 0.1 mg
$1.5M
52.0K services$29.14/svc1.33x markup
67028Injection of drug into eye
$1.2M
13.8K services$88.09/svc1.89x markup
92014Established patient complete exam of visual system
$992.8K
11.0K services$89.87/svc1.43x markup
92134Imaging of retina
$641.6K
22.5K services$28.54/svc1.71x markup
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg
$269.4K
1.7K services$157.06/svc1.31x markup
J3590Unclassified biologics
$197.6K
868 services$227.62/svc1.46x markup
92235Exam of retinal blood vessels using a special camera after injection of a dye
$151.4K
1.9K services$78.79/svc1.48x markup
67041Removal of membrane of retina
$146.9K
161 services$912.11/svc1.27x markup
67042Removal of membrane of retina with removal of internal limiting membrane of retina
$133.3K
150 services$888.67/svc2.19x markup
67036Removal of eye fluid (vitreous) between lens and retina
$102.5K
153 services$670.04/svc1.87x markup
92004New patient complete exam of visual system
$93.4K
878 services$106.36/svc1.44x markup
99213Established patient office or other outpatient visit, 20-29 minutesโš  3.3x markup
$88.0K
2.3K services$37.98/svc3.33x markup
67108Repair of detached retina with drainage and removal of eye fluid between lens and retina
$75.1K
82 services$916.26/svc1.32x markup
67228Destruction of leaking blood vessels of retina using laser
$54.4K
174 services$312.69/svc1.90x markup
99204New patient office or other outpatient visit, 45-59 minutes
$49.9K
452 services$110.47/svc1.88x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$43.1K
501 services$86.02/svc1.63x markup
67145Photocoagulation treatment to prevent detachment of retina
$42.5K
121 services$350.96/svc1.52x markup
92012Established patient problem focused exam of visual system
$36.7K
552 services$66.49/svc1.34x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg15.7K$11.4M$728.991.37x
J2778Injection, ranibizumab, 0.1 mg22.4K$5.7M$256.221.58x
J2777Injection, faricimab-svoa, 0.1 mg52.0K$1.5M$29.141.33x
67028Injection of drug into eye13.8K$1.2M$88.091.89x
92014Established patient complete exam of visual system11.0K$992.8K$89.871.43x
92134Imaging of retina22.5K$641.6K$28.541.71x
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg1.7K$269.4K$157.061.31x
J3590Unclassified biologics868$197.6K$227.621.46x
92235Exam of retinal blood vessels using a special camera after injection of a dye1.9K$151.4K$78.791.48x
67041Removal of membrane of retina161$146.9K$912.111.27x
67042Removal of membrane of retina with removal of internal limiting membrane of retina150$133.3K$888.672.19x
67036Removal of eye fluid (vitreous) between lens and retina153$102.5K$670.041.87x
92004New patient complete exam of visual system878$93.4K$106.361.44x
99213Established patient office or other outpatient visit, 20-29 minutes2.3K$88.0K$37.983.33x
67108Repair of detached retina with drainage and removal of eye fluid between lens and retina82$75.1K$916.261.32x
67228Destruction of leaking blood vessels of retina using laser174$54.4K$312.691.90x
99204New patient office or other outpatient visit, 45-59 minutes452$49.9K$110.471.88x
99214Established patient office or other outpatient visit, 30-39 minutes501$43.1K$86.021.63x
67145Photocoagulation treatment to prevent detachment of retina121$42.5K$350.961.52x
92012Established patient problem focused exam of visual system552$36.7K$66.491.34x

Markup Analysis

Charge-to-Payment Ratio

1.48x

This provider submits charges 1.48 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.48x means for every $100 Medicare pays, this provider initially charges $148. This is lower than the national average.

Location

Winston Salem, NC

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 NC for peer comparison.

Vishak John (you)
$23.1M
Shil Patel, M.D.
$63.1M
James Pate, M.D.
$44.5M
Justin Brown, M.D.
$43.5M
Nitin Gupta, M.D., M.P.H.
$42.0M
Igor Westra, MD
$40.5M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Shil Patel, M.D.New Bern, NC$63.1Mโœ“ Clear
James Pate, M.D.Raleigh, NC$44.5Mโœ“ Clear
Justin Brown, M.D.Charlotte, NC$43.5Mโœ“ Clear
Nitin Gupta, M.D., M.P.H.Raleigh, NC$42.0Mโœ“ Clear
Igor Westra, MDWilmington, NC$40.5Mโœ“ 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