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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. Aaron Parnes
๐Ÿ‘๏ธ
MDIndividual

Aaron Parnes, M.D.

NPI: 1780888586
Portland, ME
10 years of data
Ophthalmology
$7.2M
Total Payments
23.2K
Beneficiaries
50.0K
Services
2.17x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$7.2M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $7.2M over 10 years
22.17x markup ratio (above median)
397th percentile in Ophthalmology by payments
4Payments surged 64% in 2015
56 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $7.2M in total Medicare payments ranks in the 97th percentile of Ophthalmology providers nationally.

Medicare payments to this provider grew 130% 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 64% 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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$350.95$157.162.23x$193.79$299.0K2.5K1.4K
2015$576.16$257.812.23x$318.35$489.7K3.8K1.8K
2016$600.93$236.432.54x$364.50$777.6K4.9K2.4K
2017$483.77$190.952.53x$292.82$821.9K5.4K2.7K
2018$517.41$213.202.43x$304.21$819.9K5.6K2.7K
2019$496.08$195.732.53x$300.35$804.1K5.7K2.6K
2020$479.68$191.712.50x$287.97$761.7K5.2K2.6K
2021$493.40$205.352.40x$288.05$842.0K5.3K2.2K
2022$435.76$166.062.62x$269.70$856.3K5.8K2.5K
2023$574.82$214.392.68x$360.43$688.5K5.8K2.4K

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$3.1M
4.2K services$737.46/svc1.49x markup
J2778Injection, ranibizumab, 0.1 mg
$1.3M
4.8K services$269.85/svc2.10x markup
67028Injection of drug into eyeโš  3.4x markup
$832.0K
9.8K services$84.92/svc3.37x markup
92134Diagnostic imaging of retina
$531.6K
16.4K services$32.49/svc2.79x markup
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits
$268.8K
3.0K services$88.86/svc2.33x markup
67042Removal of membrane from the retina, pars plana approach
$173.1K
194 services$892.17/svc2.46x markup
67228Laser destruction of leaking retinal blood vessels, 1 or more sessionsโš  4.4x markup
$120.6K
446 services$270.34/svc4.44x markup
99204New patient office or other outpatient visit, typically 45 minutes
$104.3K
886 services$117.76/svc2.40x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$103.9K
1.9K services$55.56/svc2.37x markup
92235Examination of retinal blood vessels by ophthalmoscope
$96.2K
870 services$110.62/svc2.34x markup
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits
$90.5K
832 services$108.73/svc2.36x markup
67145Preventive retinal detachment treatment by heat or laser, 1 or more sessionsโš  3.1x markup
$82.7K
236 services$350.56/svc3.13x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$56.6K
657 services$86.13/svc2.28x markup
92242Imaging of blood vessels in back of eye using fluorescein and indocyanine-green dye
$52.6K
272 services$193.39/svc2.04x markup
67210Laser destruction of retinal growth, 1 or more sessions
$37.8K
99 services$382.00/svc2.89x markup
92225Examination of eye by ophthalmoscope with retinal drawingโš  5.3x markup
$30.9K
883 services$35.03/svc5.28x markup
92250Photography of the retina
$28.8K
623 services$46.16/svc2.80x markup
92226Examination of eye by ophthalmoscope with retinal drawingโš  4.8x markup
$27.2K
1.0K services$26.70/svc4.78x markup
92201Extended examination of eye with drawing of retinaโš  6.0x markup
$20.0K
1.1K services$18.43/svc5.96x markup
67036Removal of eye fluid (vitreous) between the lens and retina
$16.9K
26 services$648.32/svc2.48x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg4.2K$3.1M$737.461.49x
J2778Injection, ranibizumab, 0.1 mg4.8K$1.3M$269.852.10x
67028Injection of drug into eye9.8K$832.0K$84.923.37x
92134Diagnostic imaging of retina16.4K$531.6K$32.492.79x
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits3.0K$268.8K$88.862.33x
67042Removal of membrane from the retina, pars plana approach194$173.1K$892.172.46x
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions446$120.6K$270.344.44x
99204New patient office or other outpatient visit, typically 45 minutes886$104.3K$117.762.40x
99213Established patient office or other outpatient visit, typically 15 minutes1.9K$103.9K$55.562.37x
92235Examination of retinal blood vessels by ophthalmoscope870$96.2K$110.622.34x
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits832$90.5K$108.732.36x
67145Preventive retinal detachment treatment by heat or laser, 1 or more sessions236$82.7K$350.563.13x
99214Established patient office or other outpatient, visit typically 25 minutes657$56.6K$86.132.28x
92242Imaging of blood vessels in back of eye using fluorescein and indocyanine-green dye272$52.6K$193.392.04x
67210Laser destruction of retinal growth, 1 or more sessions99$37.8K$382.002.89x
92225Examination of eye by ophthalmoscope with retinal drawing883$30.9K$35.035.28x
92250Photography of the retina623$28.8K$46.162.80x
92226Examination of eye by ophthalmoscope with retinal drawing1.0K$27.2K$26.704.78x
92201Extended examination of eye with drawing of retina1.1K$20.0K$18.435.96x
67036Removal of eye fluid (vitreous) between the lens and retina26$16.9K$648.322.48x

Markup Analysis

Charge-to-Payment Ratio

2.17x

This provider submits charges 2.17 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.17x means for every $100 Medicare pays, this provider initially charges $217. This is higher than the national average.

Location

Portland, ME

Provider Verification

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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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