OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
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.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

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

Mari Keithahn, M.D.

NPI: 1902880313
Columbia, MO
10 years of data
Ophthalmology
$44.2M
Total Payments
169
Beneficiaries
201.3K
Services
2.37x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$44.2M
Specialty median$383.7K
Rank #73 of 189 in specialty

๐Ÿ“‹ Key Findings

1Billed $44.2M over 10 years
22.37x markup ratio (above median)
399th percentile in Ophthalmology by payments
481 services/day โ€” unusually high
512 procedures with >3x markup

This provider averages 81 services per working day

Based on 201.3K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $44.2M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 81 services per working day raises questions about billing patterns.

79% 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

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$573.87$241.852.37x$332.02$3.8M15.6K19
2015$606.65$256.342.37x$350.31$4.1M16.1K19
2016$634.41$268.202.37x$366.21$4.8M17.7K18
2017$634.08$270.162.35x$363.92$4.6M17.2K18
2018$667.91$284.252.35x$383.66$5.0M17.5K15
2019$699.94$298.312.35x$401.63$4.8M16.2K17
2020$697.42$291.112.40x$406.31$4.2M14.5K17
2021$692.18$288.882.40x$403.30$4.4M15.1K14
2022$494.92$205.152.41x$289.77$4.2M20.4K17
2023$198.71$83.942.37x$114.77$4.3M50.9K15

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$34.8M
47.0K services$740.96/svc1.97x markup
67028Injection of drug into eyeโš  7.8x markup
$2.0M
27.1K services$75.16/svc7.82x markup
J2778Injection, ranibizumab, 0.1 mg
$1.6M
5.5K services$289.39/svc2.02x markup
J2777Injection, faricimab-svoa, 0.1 mg
$1.2M
43.0K services$28.65/svc1.53x markup
92012Established patient problem focused exam of visual system
$967.4K
16.7K services$57.96/svc2.40x markup
92014Established patient complete exam of visual system
$945.7K
12.1K services$78.45/svc2.57x markup
92134Imaging of retinaโš  5.2x markup
$873.5K
31.1K services$28.09/svc5.16x markup
J3590Unclassified biologics
$323.1K
1.1K services$300.05/svc1.72x markup
92235Exam of retinal blood vessels using a special camera after injection of a dyeโš  4.5x markup
$222.9K
3.2K services$69.93/svc4.47x markup
99204New patient office or other outpatient visit, 45-59 minutesโš  3.2x markup
$208.1K
2.0K services$105.65/svc3.22x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$169.8K
2.9K services$58.90/svc2.51x markup
67042Removal of membrane of retina with removal of internal limiting membrane of retinaโš  4.0x markup
$169.3K
195 services$868.30/svc3.95x markup
92250Photography of the retinaโš  5.1x markup
$152.2K
4.4K services$34.23/svc5.08x markup
99205New patient office or other outpatient visit, 60-74 minutesโš  3.2x markup
$110.1K
804 services$136.91/svc3.18x markup
67210Laser destruction of retinal growth, 1 or more sessionsโš  4.4x markup
$90.2K
241 services$374.39/svc4.40x markup
99214Established patient office or other outpatient visit, 30-39 minutesโš  3.3x markup
$53.8K
791 services$68.03/svc3.29x markup
67228Laser destruction of leaking retinal blood vessels, 1 or more sessionsโš  4.4x markup
$51.8K
90 services$575.72/svc4.44x markup
J0179Injection, brolucizumab-dbll, 1 mg
$49.1K
198 services$247.82/svc1.97x markup
92226Examination of eye by ophthalmoscope with retinal drawingโš  3.3x markup
$19.5K
1.1K services$18.50/svc3.31x markup
92225Examination of eye by ophthalmoscope with retinal drawingโš  3.0x markup
$14.8K
635 services$23.36/svc3.01x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg47.0K$34.8M$740.961.97x
67028Injection of drug into eye27.1K$2.0M$75.167.82x
J2778Injection, ranibizumab, 0.1 mg5.5K$1.6M$289.392.02x
J2777Injection, faricimab-svoa, 0.1 mg43.0K$1.2M$28.651.53x
92012Established patient problem focused exam of visual system16.7K$967.4K$57.962.40x
92014Established patient complete exam of visual system12.1K$945.7K$78.452.57x
92134Imaging of retina31.1K$873.5K$28.095.16x
J3590Unclassified biologics1.1K$323.1K$300.051.72x
92235Exam of retinal blood vessels using a special camera after injection of a dye3.2K$222.9K$69.934.47x
99204New patient office or other outpatient visit, 45-59 minutes2.0K$208.1K$105.653.22x
99213Established patient office or other outpatient visit, 20-29 minutes2.9K$169.8K$58.902.51x
67042Removal of membrane of retina with removal of internal limiting membrane of retina195$169.3K$868.303.95x
92250Photography of the retina4.4K$152.2K$34.235.08x
99205New patient office or other outpatient visit, 60-74 minutes804$110.1K$136.913.18x
67210Laser destruction of retinal growth, 1 or more sessions241$90.2K$374.394.40x
99214Established patient office or other outpatient visit, 30-39 minutes791$53.8K$68.033.29x
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions90$51.8K$575.724.44x
J0179Injection, brolucizumab-dbll, 1 mg198$49.1K$247.821.97x
92226Examination of eye by ophthalmoscope with retinal drawing1.1K$19.5K$18.503.31x
92225Examination of eye by ophthalmoscope with retinal drawing635$14.8K$23.363.01x

Markup Analysis

Charge-to-Payment Ratio

2.37x

This provider submits charges 2.37 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.37x means for every $100 Medicare pays, this provider initially charges $237. This is higher than the national average.

Location

Columbia, MO

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 MO for peer comparison.

Mari Keithahn (you)
$44.2M
Stephen Wiles, MD
$44.4M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Stephen Wiles, MDKansas City, MO$44.4Mโœ“ Clear

Related

Browse
โ† Back to Provider Directory
State
All providers in MO โ†’
Specialty
All Ophthalmology providers โ†’
Tool
Compare this provider โ†’
Analysis
Fraud Watchlist โ†’
Search
Search all providers โ†’

Share This Provider

Share this provider's Medicare payment information

Share:

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