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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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Methodology•Download Data
  1. Home
  2. Providers
  3. John Renfro
👁️
MDIndividual

John Renfro, MD

NPI: 1215911607
Greenville, SC
10 years of data
Ophthalmology
$21.9M
Total Payments
158
Beneficiaries
140.1K
Services
2.45x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$21.9M
Specialty median$383.7K

📋 Key Findings

1Billed $21.9M over 10 years
22.45x markup ratio (above median)
399th percentile in Ophthalmology by payments
456 services/day — unusually high
5Payments surged 59% in 2015
68 procedures with >3x markup

This provider averages 56 services per working day

Based on 140.1K total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $21.9M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 56 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 261% from 2014 to 2023.

64% of their billing comes from a single procedure code (J0178 — Injection, aflibercept, 1 mg).

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

📈

Notable: Payments increased 59% in 2015

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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$247.23$79.313.12x$167.92$858.8K10.8K18
2015$342.67$128.912.66x$213.76$1.4M10.6K19
2016$369.12$142.812.58x$226.31$1.6M11.1K18
2017$393.37$159.082.47x$234.29$1.9M11.8K18
2018$430.10$177.932.42x$252.17$2.1M11.8K14
2019$490.77$212.762.31x$278.01$2.7M12.7K16
2020$524.17$225.092.33x$299.08$2.6M11.7K14
2021$535.80$231.622.31x$304.18$2.9M12.5K13
2022$475.04$197.782.40x$277.26$2.8M14.1K13
2023$236.26$93.862.52x$142.40$3.1M33.0K15

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$14.1M
19.1K services$736.34/svc1.90x markup
J2778Injection, ranibizumab, 0.1 mg
$1.7M
6.3K services$271.91/svc1.99x markup
67028Injection of drug into eye⚠ 7.8x markup
$1.4M
17.5K services$82.48/svc7.75x markup
92012Established patient problem focused exam of visual system
$1.2M
19.3K services$60.13/svc2.16x markup
92134Imaging of retina⚠ 3.1x markup
$875.2K
30.0K services$29.17/svc3.09x markup
J2777Injection, faricimab-svoa, 0.1 mg
$665.7K
23.0K services$28.89/svc2.70x markup
92014Established patient complete exam of visual system
$617.8K
7.7K services$80.12/svc2.43x markup
J3590Unclassified biologics
$250.0K
4.8K services$52.10/svc2.88x markup
99204New patient office or other outpatient visit, 45-59 minutes
$224.4K
2.0K services$112.50/svc2.67x markup
J9035Injection, bevacizumab, 10 mg
$212.2K
3.6K services$58.48/svc2.57x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$205.8K
4.1K services$49.94/svc2.60x markup
67108Repair of detached retina with drainage and removal of eye fluid between lens and retina⚠ 3.5x markup
$93.0K
100 services$929.77/svc3.49x markup
67041Removal of membrane from the retina
$67.5K
78 services$865.34/svc2.77x markup
67210Laser destruction of retinal growth, 1 or more sessions⚠ 3.3x markup
$66.4K
173 services$383.62/svc3.27x markup
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg
$44.5K
294 services$151.28/svc1.98x markup
67036Removal of eye fluid (vitreous) between the lens and retina⚠ 3.0x markup
$42.5K
66 services$644.11/svc3.01x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$37.3K
495 services$75.44/svc2.58x markup
92250Photography of the retina⚠ 3.5x markup
$31.7K
747 services$42.48/svc3.53x markup
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions⚠ 3.9x markup
$30.8K
62 services$496.62/svc3.88x markup
92235Imaging of blood vessels in back of eye using fluorescein dye⚠ 3.7x markup
$13.9K
196 services$70.78/svc3.67x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg19.1K$14.1M$736.341.90x
J2778Injection, ranibizumab, 0.1 mg6.3K$1.7M$271.911.99x
67028Injection of drug into eye17.5K$1.4M$82.487.75x
92012Established patient problem focused exam of visual system19.3K$1.2M$60.132.16x
92134Imaging of retina30.0K$875.2K$29.173.09x
J2777Injection, faricimab-svoa, 0.1 mg23.0K$665.7K$28.892.70x
92014Established patient complete exam of visual system7.7K$617.8K$80.122.43x
J3590Unclassified biologics4.8K$250.0K$52.102.88x
99204New patient office or other outpatient visit, 45-59 minutes2.0K$224.4K$112.502.67x
J9035Injection, bevacizumab, 10 mg3.6K$212.2K$58.482.57x
99213Established patient office or other outpatient visit, 20-29 minutes4.1K$205.8K$49.942.60x
67108Repair of detached retina with drainage and removal of eye fluid between lens and retina100$93.0K$929.773.49x
67041Removal of membrane from the retina78$67.5K$865.342.77x
67210Laser destruction of retinal growth, 1 or more sessions173$66.4K$383.623.27x
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg294$44.5K$151.281.98x
67036Removal of eye fluid (vitreous) between the lens and retina66$42.5K$644.113.01x
99214Established patient office or other outpatient visit, 30-39 minutes495$37.3K$75.442.58x
92250Photography of the retina747$31.7K$42.483.53x
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions62$30.8K$496.623.88x
92235Imaging of blood vessels in back of eye using fluorescein dye196$13.9K$70.783.67x

Markup Analysis

Charge-to-Payment Ratio

2.45x

This provider submits charges 2.45 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.45x means for every $100 Medicare pays, this provider initially charges $245. This is higher than the national average.

Location

Greenville, 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.

John Renfro (you)
$21.9M
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 ▾
ProviderLocationTotal PaymentsStatus
Eric Jablon, M.D.Charleston, SC$49.1M✓ Clear
John Wells, MDWest Columbia, SC$38.6M✓ Clear
John Payne, MDWest Columbia, SC$37.4M✓ Clear
John Kerrison, M.D.Charleston, SC$35.7M✓ Clear
David Johnson, MDWest Columbia, SC$34.8M✓ Clear

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Data Sources

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • 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