OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending
  • OpenImmigration
  • OpenLobby
  • VaccineWatch
  • OpenSubsidies
  • WarCosts
  • OpenPrescriber

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
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.
Sister Sites: OpenMedicaid · OpenFeds · OpenSpending · OpenImmigration · OpenLobby · VaccineWatch · OpenSubsidies · WarCosts

© 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

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

John Butler, M.D.

NPI: 1174521264
Salisbury, MD
10 years of data
Ophthalmology
$42.3M
Total Payments
188
Beneficiaries
194.0K
Services
1.4x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$42.3M
Specialty median$383.7K
Rank #87 of 189 in specialty

📋 Key Findings

1Billed $42.3M over 10 years
299th percentile in Ophthalmology by payments
378 services/day — unusually high

This provider averages 78 services per working day

Based on 194.0K total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $42.3M 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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$310.37$228.271.36x$82.10$3.9M17.2K20
2015$357.63$262.941.36x$94.69$4.5M16.9K18
2016$352.13$257.361.37x$94.77$4.1M15.8K19
2017$333.86$242.151.38x$91.71$3.5M14.3K19
2018$287.35$203.311.41x$84.04$3.9M19.2K19
2019$335.94$236.201.42x$99.74$4.0M17.1K18
2020$378.35$262.491.44x$115.86$4.6M17.4K16
2021$400.08$281.641.42x$118.44$5.0M17.7K20
2022$351.82$242.951.45x$108.87$4.6M18.9K20
2023$153.05$108.261.41x$44.79$4.3M39.4K19

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$21.8M
29.7K services$735.74/svc1.35x markup
J2778Injection, ranibizumab, 0.1 mg
$13.2M
46.1K services$286.62/svc1.44x markup
67028Injection of drug into eye
$2.0M
22.7K services$89.75/svc1.63x markup
92134Imaging of retina
$1.1M
33.3K services$33.21/svc1.44x markup
J2777Injection, faricimab-svoa, 0.1 mg
$808.1K
27.7K services$29.15/svc1.32x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$787.1K
9.4K services$83.37/svc1.53x markup
92014Established patient complete exam of visual system
$660.3K
7.3K services$90.56/svc1.57x markup
92235Exam of retinal blood vessels using a special camera after injection of a dye
$287.3K
3.4K services$83.52/svc1.47x markup
99204New patient office or other outpatient visit, 45-59 minutes
$259.6K
2.1K services$124.10/svc1.51x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$190.2K
2.9K services$66.58/svc1.51x markup
67042Removal of membrane of retina with removal of internal limiting membrane of retina
$178.5K
184 services$970.19/svc1.39x markup
J3590Unclassified biologics
$168.9K
94 services$1.8K/svc1.41x markup
92012Established patient problem focused exam of visual system
$150.0K
2.3K services$65.88/svc1.50x markup
92250Photography of the retina
$105.9K
2.3K services$45.59/svc1.58x markup
J9035Injection, bevacizumab, 10 mg
$76.6K
1.4K services$54.59/svc1.40x markup
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions
$73.2K
227 services$322.36/svc1.48x markup
67210Destruction of growth of retina using a laser
$70.0K
167 services$419.05/svc1.42x markup
92004New patient complete exam of visual system
$50.4K
465 services$108.44/svc1.57x markup
67036Removal of eye fluid (vitreous) between lens and retina
$47.9K
71 services$675.27/svc1.51x markup
J2781Injection, pegcetacoplan, intravitreal, 1 mg
$32.5K
270 services$120.36/svc1.39x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg29.7K$21.8M$735.741.35x
J2778Injection, ranibizumab, 0.1 mg46.1K$13.2M$286.621.44x
67028Injection of drug into eye22.7K$2.0M$89.751.63x
92134Imaging of retina33.3K$1.1M$33.211.44x
J2777Injection, faricimab-svoa, 0.1 mg27.7K$808.1K$29.151.32x
99214Established patient office or other outpatient visit, 30-39 minutes9.4K$787.1K$83.371.53x
92014Established patient complete exam of visual system7.3K$660.3K$90.561.57x
92235Exam of retinal blood vessels using a special camera after injection of a dye3.4K$287.3K$83.521.47x
99204New patient office or other outpatient visit, 45-59 minutes2.1K$259.6K$124.101.51x
99213Established patient office or other outpatient visit, 20-29 minutes2.9K$190.2K$66.581.51x
67042Removal of membrane of retina with removal of internal limiting membrane of retina184$178.5K$970.191.39x
J3590Unclassified biologics94$168.9K$1.8K1.41x
92012Established patient problem focused exam of visual system2.3K$150.0K$65.881.50x
92250Photography of the retina2.3K$105.9K$45.591.58x
J9035Injection, bevacizumab, 10 mg1.4K$76.6K$54.591.40x
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions227$73.2K$322.361.48x
67210Destruction of growth of retina using a laser167$70.0K$419.051.42x
92004New patient complete exam of visual system465$50.4K$108.441.57x
67036Removal of eye fluid (vitreous) between lens and retina71$47.9K$675.271.51x
J2781Injection, pegcetacoplan, intravitreal, 1 mg270$32.5K$120.361.39x

Markup Analysis

Charge-to-Payment Ratio

1.4x

This provider submits charges 1.4 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.4x means for every $100 Medicare pays, this provider initially charges $140. This is lower than the national average.

Location

Salisbury, MD

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 MD for peer comparison.

John Butler (you)
$42.3M
Michael Elman, M.D.
$68.5M
David Warrow, M.D.
$65.5M
Raymond Sjaarda, M.D.
$47.2M
Allen Hu, MD
$45.7M
James Rial, M.D.
$45.2M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Michael Elman, M.D.Baltimore, MD$68.5M✓ Clear
David Warrow, M.D.Hagerstown, MD$65.5M✓ Clear
Raymond Sjaarda, M.D.Baltimore, MD$47.2M✓ Clear
Allen Hu, MDHagerstown, MD$45.7M✓ Clear
James Rial, M.D.Salisbury, MD$45.2M✓ Clear

Related

Browse
← Back to Provider Directory
State
All providers in MD →
Specialty
All Ophthalmology providers →
Tool
Compare this provider →
Analysis
Fraud Watchlist →
Search
Search all providers →

Share This Provider

Share this provider's Medicare payment information

Share:

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