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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. Michael Oats
๐Ÿ‘๏ธ
MDIndividual

Michael Oats, MD

NPI: 1669450607
Sandwich, MA
10 years of data
Ophthalmology
$8.6M
Total Payments
92.4K
Beneficiaries
106.7K
Services
5.25x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$8.6M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $8.6M over 10 years
25.25x markup ratio (above median)
398th percentile in Ophthalmology by payments
420 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $8.6M in total Medicare payments ranks in the 98th percentile of Ophthalmology providers nationally.

Their average markup ratio of 5.25x is significantly above the specialty median of 2.9x.

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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$860.18$143.635.99x$716.55$886.3K10.7K9.0K
2015$776.96$132.445.87x$644.52$833.3K10.8K9.3K
2016$783.34$123.656.34x$659.69$834.5K10.8K9.2K
2017$838.24$130.156.44x$708.09$852.3K10.8K9.3K
2018$738.09$106.046.96x$632.05$813.1K10.8K9.4K
2019$909.23$136.826.65x$772.41$892.5K11.0K9.6K
2020$824.25$118.316.97x$705.94$714.7K8.8K7.9K
2021$924.11$135.416.82x$788.70$1.0M11.2K9.7K
2022$784.71$122.006.43x$662.71$909.4K11.1K9.7K
2023$838.12$130.266.43x$707.86$860.9K10.7K9.4K

Top Procedures (20)

92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visitsโš  4.3x markup
$2.6M
29.2K services$88.38/svc4.32x markup
66984Removal of cataract with insertion of lensโš  6.4x markup
$1.7M
6.2K services$267.15/svc6.38x markup
99213Established patient office or other outpatient visit, typically 15 minutesโš  4.0x markup
$860.9K
15.5K services$55.55/svc3.98x markup
92012Eye and medical examination for diagnosis and treatment, established patientโš  4.2x markup
$603.8K
9.3K services$65.08/svc4.23x markup
92083Measurement of field of vision during daylight conditionsโš  6.2x markup
$543.1K
11.7K services$46.50/svc6.24x markup
66821Removal of recurring cataract in lens capsule using laserโš  4.4x markup
$364.4K
1.9K services$191.97/svc4.42x markup
92133Diagnostic imaging of optic nerve of eyeโš  5.5x markup
$349.8K
11.9K services$29.48/svc5.46x markup
92136Measurement of corneal curvature and depth of eyeโš  6.4x markup
$336.8K
7.5K services$45.09/svc6.43x markup
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visitsโš  4.3x markup
$328.8K
3.2K services$102.81/svc4.26x markup
66982Removal of cataract with insertion of lensโš  5.4x markup
$147.5K
333 services$442.95/svc5.44x markup
0191TInternal insertion of eye fluid drainage deviceโš  18.4x markup
$141.6K
455 services$311.17/svc18.45x markup
99214Established patient office or other outpatient, visit typically 25 minutesโš  3.6x markup
$129.5K
1.6K services$79.75/svc3.61x markup
92134Diagnostic imaging of retinaโš  5.1x markup
$119.2K
3.8K services$31.55/svc5.10x markup
66250Revision or repair of operative wound of eyeโš  4.6x markup
$117.9K
268 services$439.84/svc4.56x markup
99204New patient office or other outpatient visit, typically 45 minutesโš  5.0x markup
$88.4K
783 services$112.90/svc4.96x markup
65855Laser repair to improve eye fluid flow, 1 or more sessionsโš  8.0x markup
$64.9K
339 services$191.36/svc8.01x markup
66991Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eyeโš  10.4x markup
$40.6K
74 services$549.29/svc10.42x markup
92060Measurement of eye muscles to detect deviation of eyeballโš  3.9x markup
$23.7K
480 services$49.31/svc3.94x markup
66761Creation of eye fluid drainage tracts in iris using laser, per sessionโš  7.2x markup
$23.3K
118 services$197.11/svc7.22x markup
92020Examination of cornea and iris using lens device and slit lampโš  4.0x markup
$16.8K
790 services$21.21/svc4.01x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits29.2K$2.6M$88.384.32x
66984Removal of cataract with insertion of lens6.2K$1.7M$267.156.38x
99213Established patient office or other outpatient visit, typically 15 minutes15.5K$860.9K$55.553.98x
92012Eye and medical examination for diagnosis and treatment, established patient9.3K$603.8K$65.084.23x
92083Measurement of field of vision during daylight conditions11.7K$543.1K$46.506.24x
66821Removal of recurring cataract in lens capsule using laser1.9K$364.4K$191.974.42x
92133Diagnostic imaging of optic nerve of eye11.9K$349.8K$29.485.46x
92136Measurement of corneal curvature and depth of eye7.5K$336.8K$45.096.43x
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits3.2K$328.8K$102.814.26x
66982Removal of cataract with insertion of lens333$147.5K$442.955.44x
0191TInternal insertion of eye fluid drainage device455$141.6K$311.1718.45x
99214Established patient office or other outpatient, visit typically 25 minutes1.6K$129.5K$79.753.61x
92134Diagnostic imaging of retina3.8K$119.2K$31.555.10x
66250Revision or repair of operative wound of eye268$117.9K$439.844.56x
99204New patient office or other outpatient visit, typically 45 minutes783$88.4K$112.904.96x
65855Laser repair to improve eye fluid flow, 1 or more sessions339$64.9K$191.368.01x
66991Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye74$40.6K$549.2910.42x
92060Measurement of eye muscles to detect deviation of eyeball480$23.7K$49.313.94x
66761Creation of eye fluid drainage tracts in iris using laser, per session118$23.3K$197.117.22x
92020Examination of cornea and iris using lens device and slit lamp790$16.8K$21.214.01x

Markup Analysis

Charge-to-Payment Ratio

5.25x

This provider submits charges 5.25 times higher than what Medicare actually pays.

What This Means

A markup ratio of 5.25x means for every $100 Medicare pays, this provider initially charges $525. This is higher than the national average.

Location

Sandwich, MA

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 MA for peer comparison.

Michael Oats (you)
$8.6M
Torsten Wiegand, MD
$49.8M
David Reed, M.D.
$44.2M
Chirag Shah, MD
$34.3M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Torsten Wiegand, MDBoston, MA$49.8Mโœ“ Clear
David Reed, M.D.Plymouth, MA$44.2Mโœ“ Clear
Chirag Shah, MDBoston, MA$34.3Mโœ“ 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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