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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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Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. David Williams
๐Ÿ‘๏ธ
MDIndividual

David Williams, MD

NPI: 1558359554
Edina, MN
10 years of data
Ophthalmology
$42.6M
Total Payments
182
Beneficiaries
216.0K
Services
2.08x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$42.6M
Specialty median$383.7K
Rank #85 of 189 in specialty

๐Ÿ“‹ Key Findings

1Billed $42.6M over 10 years
22.08x markup ratio (above median)
399th percentile in Ophthalmology by payments
486 services/day โ€” unusually high
5Payments surged 67% in 2019
61 procedure with >3x markup

This provider averages 86 services per working day

Based on 216.0K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $42.6M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 86 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 93% from 2014 to 2023.

60% of their billing comes from a single procedure code (J2778 โ€” Injection, ranibizumab, 0.1 mg).

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 67% in 2019

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$253.29$187.231.35x$66.06$2.8M15.1K20
2015$306.94$193.921.58x$113.02$2.9M14.8K17
2016$313.35$190.241.65x$123.11$3.0M15.5K18
2017$315.73$190.551.66x$125.18$2.9M15.3K16
2018$321.23$193.161.66x$128.07$3.5M18.1K15
2019$324.20$188.641.72x$135.56$5.8M31.0K18
2020$340.00$190.171.79x$149.83$5.3M27.9K16
2021$357.65$194.181.84x$163.47$5.5M28.2K20
2022$588.77$226.862.60x$361.91$5.4M24.0K19
2023$810.29$210.883.84x$599.41$5.5M25.9K23

Top Procedures (20)

J2778Injection, ranibizumab, 0.1 mg
$25.6M
93.6K services$274.08/svc1.83x markup
J0178Injection, aflibercept, 1 mg
$7.8M
10.9K services$715.44/svc2.61x markup
67028Injection of drug into eye
$2.4M
27.1K services$88.66/svc2.63x markup
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg
$1.7M
8.0K services$217.48/svc2.58x markup
92014Established patient complete exam of visual system
$1.2M
12.7K services$90.93/svc1.73x markup
92134Imaging of retina
$1.1M
35.7K services$31.19/svc2.23x markup
92012Established patient problem focused exam of visual system
$701.3K
10.9K services$64.46/svc2.19x markup
J9035Injection, bevacizumab, 10 mg
$292.8K
5.1K services$57.33/svc2.52x markup
92235Exam of retinal blood vessels using a special camera after injection of a dye
$267.4K
2.4K services$112.03/svc1.72x markup
J3490Unclassified drugs
$210.4K
132 services$1.6K/svc2.79x markup
99204New patient office or other outpatient visit, 45-59 minutes
$183.6K
1.5K services$120.34/svc2.00x markup
J3590Unclassified biologics
$182.6K
769 services$237.39/svc2.85x markup
J2781Injection, pegcetacoplan, intravitreal, 1 mg
$140.8K
1.2K services$120.36/svc2.47x markup
67210Destruction of growth of retina using a laser
$113.8K
275 services$413.84/svc2.04x markup
67041Removal of membrane of retina
$112.8K
120 services$939.60/svc1.99x markup
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions
$88.3K
223 services$395.83/svc1.46x markup
92250Photography of the retina
$83.9K
1.9K services$44.11/svc1.52x markup
92004New patient complete exam of visual system
$79.4K
720 services$110.24/svc2.28x markup
Q5124Injection, ranibizumab-nuna, biosimilar, (byooviz), 0.1 mgโš  3.2x markup
$55.1K
315 services$174.96/svc3.20x markup
67145Photocoagulation treatment to prevent detachment of retina
$54.0K
157 services$343.75/svc2.84x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J2778Injection, ranibizumab, 0.1 mg93.6K$25.6M$274.081.83x
J0178Injection, aflibercept, 1 mg10.9K$7.8M$715.442.61x
67028Injection of drug into eye27.1K$2.4M$88.662.63x
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg8.0K$1.7M$217.482.58x
92014Established patient complete exam of visual system12.7K$1.2M$90.931.73x
92134Imaging of retina35.7K$1.1M$31.192.23x
92012Established patient problem focused exam of visual system10.9K$701.3K$64.462.19x
J9035Injection, bevacizumab, 10 mg5.1K$292.8K$57.332.52x
92235Exam of retinal blood vessels using a special camera after injection of a dye2.4K$267.4K$112.031.72x
J3490Unclassified drugs132$210.4K$1.6K2.79x
99204New patient office or other outpatient visit, 45-59 minutes1.5K$183.6K$120.342.00x
J3590Unclassified biologics769$182.6K$237.392.85x
J2781Injection, pegcetacoplan, intravitreal, 1 mg1.2K$140.8K$120.362.47x
67210Destruction of growth of retina using a laser275$113.8K$413.842.04x
67041Removal of membrane of retina120$112.8K$939.601.99x
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions223$88.3K$395.831.46x
92250Photography of the retina1.9K$83.9K$44.111.52x
92004New patient complete exam of visual system720$79.4K$110.242.28x
Q5124Injection, ranibizumab-nuna, biosimilar, (byooviz), 0.1 mg315$55.1K$174.963.20x
67145Photocoagulation treatment to prevent detachment of retina157$54.0K$343.752.84x

Markup Analysis

Charge-to-Payment Ratio

2.08x

This provider submits charges 2.08 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.08x means for every $100 Medicare pays, this provider initially charges $208. This is higher than the national average.

Location

Edina, MN

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 MN for peer comparison.

David Williams (you)
$42.6M
Sundeep Dev, MD
$34.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Sundeep Dev, MDMinneapolis, MN$34.6Mโœ“ 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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