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. Marc Shomer
๐Ÿ‘๏ธ
MDIndividual

Marc Shomer, M.D., PH.D.

NPI: 1457457483
Upland, CA
10 years of data
Ophthalmology
$3.8M
Total Payments
35.8K
Beneficiaries
47.7K
Services
2.49x
Markup Ratio

Peer Comparison

95th
percentile in specialty
This provider$3.8M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $3.8M over 10 years
22.49x markup ratio (above median)
395th percentile in Ophthalmology by payments
47 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.8M in total Medicare payments ranks in the 95th percentile of Ophthalmology providers nationally.

Medicare payments to this provider grew 193% 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

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$378.59$111.153.41x$267.44$178.0K2.1K1.5K
2015$228.67$87.162.62x$141.51$241.6K2.9K2.2K
2016$208.07$70.382.96x$137.69$286.1K3.8K2.9K
2017$188.64$58.883.20x$129.76$400.1K5.6K4.3K
2018$227.73$63.153.61x$164.58$349.9K5.1K3.8K
2019$186.48$65.702.84x$120.78$392.8K4.9K3.6K
2020$184.64$56.813.25x$127.83$413.6K5.0K3.8K
2021$226.92$80.722.81x$146.20$490.9K5.4K4.0K
2022$218.52$66.813.27x$151.71$510.7K6.4K4.8K
2023$280.72$88.583.17x$192.14$521.9K6.6K4.8K

Top Procedures (20)

99204New patient office or other outpatient visit, typically 45 minutes
$839.7K
6.8K services$124.25/svc2.00x markup
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits
$774.2K
8.1K services$95.54/svc1.77x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$586.8K
6.3K services$93.30/svc2.41x markup
66984Removal of cataract with insertion of lensโš  3.2x markup
$244.3K
531 services$460.04/svc3.16x markup
92012Eye and medical examination for diagnosis and treatment, established patient
$206.8K
3.0K services$68.06/svc1.82x markup
92083Measurement of field of vision during daylight conditions
$171.9K
3.5K services$49.18/svc2.85x markup
68761Closure of tear duct opening using plug
$113.2K
978 services$115.79/svc2.25x markup
92250Photography of the retinaโš  3.5x markup
$109.4K
2.5K services$43.25/svc3.47x markup
66821Removal of recurring cataract in lens capsule using laser
$107.1K
398 services$269.13/svc2.23x markup
92134Diagnostic imaging of retinaโš  4.6x markup
$85.8K
2.7K services$31.76/svc4.57x markup
65855Laser repair to improve eye fluid flow, 1 or more sessions
$66.2K
301 services$219.93/svc2.91x markup
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits
$56.6K
489 services$115.84/svc1.68x markup
92133Diagnostic imaging of optic nerve of eyeโš  4.9x markup
$47.5K
1.6K services$29.50/svc4.91x markup
67028Injection of drug into eyeโš  7.5x markup
$42.6K
493 services$86.33/svc7.53x markup
66982Removal of cataract with insertion of lens, complex
$37.4K
66 services$566.53/svc2.47x markup
97597Removal of tissue from wounds per session
$33.1K
413 services$80.08/svc1.77x markup
99203New patient office or other outpatient visit, typically 30 minutes
$30.4K
394 services$77.09/svc2.23x markup
J9035Injection, bevacizumab, 10 mg
$17.6K
295 services$59.57/svc2.96x markup
96372Injection beneath the skin or into muscle for therapy, diagnosis, or preventionโš  3.6x markup
$17.0K
1.0K services$16.49/svc3.65x markup
92136Measurement of corneal curvature and depth of eyeโš  12.8x markup
$16.9K
617 services$27.33/svc12.81x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99204New patient office or other outpatient visit, typically 45 minutes6.8K$839.7K$124.252.00x
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits8.1K$774.2K$95.541.77x
99214Established patient office or other outpatient, visit typically 25 minutes6.3K$586.8K$93.302.41x
66984Removal of cataract with insertion of lens531$244.3K$460.043.16x
92012Eye and medical examination for diagnosis and treatment, established patient3.0K$206.8K$68.061.82x
92083Measurement of field of vision during daylight conditions3.5K$171.9K$49.182.85x
68761Closure of tear duct opening using plug978$113.2K$115.792.25x
92250Photography of the retina2.5K$109.4K$43.253.47x
66821Removal of recurring cataract in lens capsule using laser398$107.1K$269.132.23x
92134Diagnostic imaging of retina2.7K$85.8K$31.764.57x
65855Laser repair to improve eye fluid flow, 1 or more sessions301$66.2K$219.932.91x
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits489$56.6K$115.841.68x
92133Diagnostic imaging of optic nerve of eye1.6K$47.5K$29.504.91x
67028Injection of drug into eye493$42.6K$86.337.53x
66982Removal of cataract with insertion of lens, complex66$37.4K$566.532.47x
97597Removal of tissue from wounds per session413$33.1K$80.081.77x
99203New patient office or other outpatient visit, typically 30 minutes394$30.4K$77.092.23x
J9035Injection, bevacizumab, 10 mg295$17.6K$59.572.96x
96372Injection beneath the skin or into muscle for therapy, diagnosis, or prevention1.0K$17.0K$16.493.65x
92136Measurement of corneal curvature and depth of eye617$16.9K$27.3312.81x

Markup Analysis

Charge-to-Payment Ratio

2.49x

This provider submits charges 2.49 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.49x means for every $100 Medicare pays, this provider initially charges $249. This is higher than the national average.

Location

Upland, CA

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 CA for peer comparison.

Marc Shomer (you)
$3.8M
Nathan Steinle, M.D.
$63.1M
Stephen Couvillion, MD
$47.7M
Margaret Chang, M.D.
$47.6M
David Boyer, MD
$47.5M
Alessandro Castellarin, M.D.
$46.9M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Nathan Steinle, M.D.Santa Barbara, CA$63.1Mโœ“ Clear
Stephen Couvillion, MDSanta Barbara, CA$47.7Mโœ“ Clear
Margaret Chang, M.D.Sacramento, CA$47.6Mโœ“ Clear
David Boyer, MDLos Angeles, CA$47.5Mโœ“ Clear
Alessandro Castellarin, M.D.Santa Barbara, CA$46.9Mโœ“ Clear

Related

Browse
โ† Back to Provider Directory
State
All providers in CA 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