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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. Peter Karth
๐Ÿ‘๏ธ
MDIndividual

Peter Karth, MD

NPI: 1508181355
Coos Bay, OR
10 years of data
Ophthalmology
$19.3M
Total Payments
192
Beneficiaries
159.9K
Services
2.35x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$19.3M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $19.3M over 10 years
22.35x markup ratio (above median)
399th percentile in Ophthalmology by payments
464 services/day โ€” unusually high
5Payments surged 885% in 2015
61 procedure with >3x markup

This provider averages 64 services per working day

Based on 159.9K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $19.3M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 64 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 29000% from 2014 to 2023.

60% of their billing comes from a single procedure code (J0178 โ€” Injection, aflibercept, 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 885% 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$393.90$57.036.91x$336.87$15.7K2765
2015$235.23$48.994.80x$186.24$155.1K3.2K20
2016$305.04$55.785.47x$249.26$161.5K2.9K20
2017$207.73$107.781.93x$99.95$912.6K8.5K18
2018$275.04$136.462.02x$138.58$1.3M9.9K22
2019$257.24$133.101.93x$124.14$1.4M10.7K22
2020$453.87$214.302.12x$239.57$2.7M12.6K21
2021$619.86$280.702.21x$339.16$3.8M13.4K20
2022$358.81$154.452.32x$204.36$4.3M27.6K22
2023$176.25$64.552.73x$111.70$4.6M71.0K22

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$11.4M
15.7K services$726.81/svc2.33x markup
J2777Injection, faricimab-svoa, 0.1 mg
$2.2M
73.9K services$29.19/svc2.65x markup
67028Injection of drug into eye
$1.3M
14.4K services$88.64/svc1.94x markup
92134Imaging of retina
$657.1K
22.2K services$29.59/svc1.96x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$588.2K
7.1K services$82.88/svc1.74x markup
J3490Unclassified drugsโš  5.4x markup
$512.1K
289 services$1.8K/svc5.38x markup
J7999Compounded drug, not otherwise classified
$420.3K
6.4K services$65.44/svc1.91x markup
92012Eye and medical examination for diagnosis and treatment, established patient
$309.5K
5.1K services$60.77/svc1.56x markup
67042Removal of membrane of retina with removal of internal limiting membrane of retina
$307.8K
354 services$869.40/svc1.79x markup
J3590Unclassified biologics
$230.2K
126 services$1.8K/svc2.52x markup
67036Removal of eye fluid (vitreous) between lens and retina
$216.7K
343 services$631.64/svc1.74x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$151.1K
2.6K services$57.66/svc1.77x markup
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg
$137.6K
875 services$157.22/svc2.10x markup
99204New patient office or other outpatient visit, 45-59 minutes
$136.3K
1.2K services$112.10/svc2.27x markup
J2781Injection, pegcetacoplan, intravitreal, 1 mg
$108.3K
900 services$120.36/svc1.73x markup
67210Destruction of growth of retina using a laser
$94.5K
237 services$398.90/svc1.52x markup
J0179Injection, brolucizumab-dbll, 1 mg
$86.9K
348 services$249.67/svc2.40x markup
92004New patient complete exam of visual system
$76.0K
761 services$99.84/svc1.73x markup
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits
$61.5K
724 services$84.96/svc1.77x markup
92235Exam of retinal blood vessels using a special camera after injection of a dye
$50.9K
822 services$61.94/svc2.73x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg15.7K$11.4M$726.812.33x
J2777Injection, faricimab-svoa, 0.1 mg73.9K$2.2M$29.192.65x
67028Injection of drug into eye14.4K$1.3M$88.641.94x
92134Imaging of retina22.2K$657.1K$29.591.96x
99214Established patient office or other outpatient visit, 30-39 minutes7.1K$588.2K$82.881.74x
J3490Unclassified drugs289$512.1K$1.8K5.38x
J7999Compounded drug, not otherwise classified6.4K$420.3K$65.441.91x
92012Eye and medical examination for diagnosis and treatment, established patient5.1K$309.5K$60.771.56x
67042Removal of membrane of retina with removal of internal limiting membrane of retina354$307.8K$869.401.79x
J3590Unclassified biologics126$230.2K$1.8K2.52x
67036Removal of eye fluid (vitreous) between lens and retina343$216.7K$631.641.74x
99213Established patient office or other outpatient visit, 20-29 minutes2.6K$151.1K$57.661.77x
J7312Injection, dexamethasone, intravitreal implant, 0.1 mg875$137.6K$157.222.10x
99204New patient office or other outpatient visit, 45-59 minutes1.2K$136.3K$112.102.27x
J2781Injection, pegcetacoplan, intravitreal, 1 mg900$108.3K$120.361.73x
67210Destruction of growth of retina using a laser237$94.5K$398.901.52x
J0179Injection, brolucizumab-dbll, 1 mg348$86.9K$249.672.40x
92004New patient complete exam of visual system761$76.0K$99.841.73x
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits724$61.5K$84.961.77x
92235Exam of retinal blood vessels using a special camera after injection of a dye822$50.9K$61.942.73x

Markup Analysis

Charge-to-Payment Ratio

2.35x

This provider submits charges 2.35 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.35x means for every $100 Medicare pays, this provider initially charges $235. This is higher than the national average.

Location

Coos Bay, OR

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 OR for peer comparison.

Peter Karth (you)
$19.3M
Yujen Wang, MD
$35.4M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Yujen Wang, MDMedford, OR$35.4Mโœ“ 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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