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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. John Davies
๐Ÿ‘๏ธ
MDIndividual

John Davies, MD

NPI: 1811904212
Minneapolis, MN
10 years of data
Ophthalmology
$27.7M
Total Payments
155
Beneficiaries
172.2K
Services
2.16x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$27.7M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $27.7M over 10 years
22.16x markup ratio (above median)
399th percentile in Ophthalmology by payments
469 services/day โ€” unusually high
5Payments surged 81% in 2019
61 procedure with >3x markup

This provider averages 69 services per working day

Based on 172.2K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $27.7M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 69 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 168% 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 81% 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$242.66$167.501.45x$75.16$1.5M8.7K16
2015$239.35$151.151.58x$88.20$1.4M9.0K17
2016$259.38$158.921.63x$100.46$1.5M9.4K16
2017$278.39$174.451.60x$103.94$1.8M10.4K14
2018$303.07$188.241.61x$114.83$2.4M12.5K13
2019$324.91$197.281.65x$127.63$4.3M21.6K18
2020$316.64$189.521.67x$127.12$3.5M18.7K15
2021$342.47$198.661.72x$143.81$3.8M19.3K18
2022$553.54$206.792.68x$346.75$3.7M18.1K14
2023$383.60$87.564.38x$296.04$3.9M44.7K14

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$13.1M
17.7K services$738.75/svc2.07x markup
J2778Injection, ranibizumab, 0.1 mg
$7.2M
27.4K services$261.24/svc1.98x markup
67028Injection of drug into eye
$2.2M
23.8K services$91.21/svc2.56x markup
92012Established patient problem focused exam of visual system
$1.0M
16.1K services$63.77/svc1.91x markup
92134Imaging of retina
$960.7K
30.9K services$31.11/svc2.15x markup
J2777Injection, faricimab-svoa, 0.1 mgโš  4.3x markup
$881.8K
30.4K services$29.05/svc4.32x markup
J9035Injection, bevacizumab, 10 mg
$808.4K
13.9K services$58.25/svc2.56x markup
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg
$431.4K
2.0K services$216.78/svc2.58x markup
92014Established patient complete exam of visual system
$369.4K
4.0K services$92.01/svc1.95x markup
99204New patient office or other outpatient visit, 45-59 minutes
$201.4K
1.7K services$119.02/svc1.86x markup
92235Exam of retinal blood vessels using a special camera after injection of a dye
$130.6K
1.2K services$106.88/svc1.77x markup
67041Removal of membrane of retina
$90.1K
100 services$900.94/svc1.87x markup
67108Repair of detached retina and drainage of eye fluid between lens and retina, with removal of vitreous fluid
$74.4K
71 services$1.0K/svc1.40x markup
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg
$52.7K
336 services$156.80/svc2.41x markup
67036Removal of eye fluid (vitreous) between lens and retina
$50.3K
76 services$661.67/svc1.87x markup
92250Photography of the retina
$49.1K
1.2K services$42.25/svc1.58x markup
92004New patient complete exam of visual system
$48.1K
442 services$108.73/svc2.37x markup
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions
$32.2K
87 services$370.68/svc1.48x markup
765122d ultrasound scan of eye tissue and structures
$25.5K
451 services$56.58/svc1.86x markup
67042Removal of membrane from the retina, pars plana approach with removal of internal limiting membrane of retina
$24.8K
27 services$918.18/svc1.38x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg17.7K$13.1M$738.752.07x
J2778Injection, ranibizumab, 0.1 mg27.4K$7.2M$261.241.98x
67028Injection of drug into eye23.8K$2.2M$91.212.56x
92012Established patient problem focused exam of visual system16.1K$1.0M$63.771.91x
92134Imaging of retina30.9K$960.7K$31.112.15x
J2777Injection, faricimab-svoa, 0.1 mg30.4K$881.8K$29.054.32x
J9035Injection, bevacizumab, 10 mg13.9K$808.4K$58.252.56x
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg2.0K$431.4K$216.782.58x
92014Established patient complete exam of visual system4.0K$369.4K$92.011.95x
99204New patient office or other outpatient visit, 45-59 minutes1.7K$201.4K$119.021.86x
92235Exam of retinal blood vessels using a special camera after injection of a dye1.2K$130.6K$106.881.77x
67041Removal of membrane of retina100$90.1K$900.941.87x
67108Repair of detached retina and drainage of eye fluid between lens and retina, with removal of vitreous fluid71$74.4K$1.0K1.40x
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg336$52.7K$156.802.41x
67036Removal of eye fluid (vitreous) between lens and retina76$50.3K$661.671.87x
92250Photography of the retina1.2K$49.1K$42.251.58x
92004New patient complete exam of visual system442$48.1K$108.732.37x
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions87$32.2K$370.681.48x
765122d ultrasound scan of eye tissue and structures451$25.5K$56.581.86x
67042Removal of membrane from the retina, pars plana approach with removal of internal limiting membrane of retina27$24.8K$918.181.38x

Markup Analysis

Charge-to-Payment Ratio

2.16x

This provider submits charges 2.16 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.16x means for every $100 Medicare pays, this provider initially charges $216. This is higher than the national average.

Location

Minneapolis, 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.

John Davies (you)
$27.7M
David Williams, MD
$42.6M
Sundeep Dev, MD
$34.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
David Williams, MDEdina, MN$42.6Mโœ“ Clear
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.

Believe this data is inaccurate? Dispute this data