OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending
  • OpenImmigration
  • OpenLobby
  • VaccineWatch
  • OpenSubsidies
  • WarCosts
  • OpenPrescriber

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 · OpenFeds · OpenSpending · OpenImmigration · OpenLobby · VaccineWatch · OpenSubsidies · WarCosts

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

Methodology•Download Data
  1. Home
  2. Providers
  3. Stephen Meffert
👁️
MDIndividual

Stephen Meffert, M.D.

NPI: 1609879105
Santa Rosa, CA
10 years of data
Ophthalmology
$31.1M
Total Payments
188
Beneficiaries
134.7K
Services
1.38x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$31.1M
Specialty median$383.7K

📋 Key Findings

1Billed $31.1M over 10 years
299th percentile in Ophthalmology by payments
354 services/day — unusually high

This provider averages 54 services per working day

Based on 134.7K total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $31.1M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 54 services per working day raises questions about billing patterns.

77% of their billing comes from a single procedure code (J0178 — 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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$306.23$204.261.50x$101.97$2.5M12.1K20
2015$305.19$222.411.37x$82.78$2.7M12.0K21
2016$312.83$226.071.38x$86.76$2.8M12.4K19
2017$347.31$239.591.45x$107.72$2.9M12.3K21
2018$341.82$263.031.30x$78.79$3.2M12.2K20
2019$406.55$309.371.31x$97.18$3.6M11.7K17
2020$473.06$337.901.40x$135.16$3.3M9.8K16
2021$443.31$332.401.33x$110.91$3.5M10.5K17
2022$337.00$235.071.43x$101.93$3.4M14.3K20
2023$162.06$118.481.37x$43.58$3.2M27.4K17

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$23.6M
31.8K services$743.24/svc1.31x markup
J2778Injection, ranibizumab, 0.1 mg
$2.0M
7.1K services$289.01/svc1.36x markup
67028Injection of drug into eye
$1.6M
16.6K services$95.59/svc2.07x markup
92134Imaging of retina
$828.5K
24.8K services$33.34/svc1.53x markup
J2777Injection, faricimab-svoa, 0.1 mg
$673.9K
23.0K services$29.25/svc1.41x markup
92012Established patient problem focused exam of visual system
$598.7K
9.1K services$65.60/svc1.50x markup
J3590Unclassified biologics
$218.8K
769 services$284.58/svc2.12x markup
67042Removal of membrane of retina with removal of internal limiting membrane of retina
$200.4K
200 services$1.0K/svc1.41x markup
92226Examination of eye by ophthalmoscope with retinal drawing
$167.0K
8.6K services$19.38/svc1.61x markup
92235Exam of retinal blood vessels using a special camera after injection of a dye
$147.8K
1.7K services$87.55/svc1.46x markup
67108Repair of detached retina with drainage and removal of eye fluid between lens and retina
$146.4K
134 services$1.1K/svc1.37x markup
J7999Compounded drug, not otherwise classified
$102.6K
1.6K services$62.49/svc2.18x markup
67210Laser destruction of retinal growth, 1 or more sessions
$77.7K
176 services$441.40/svc1.42x markup
92014Established patient complete exam of visual system
$76.5K
739 services$103.46/svc1.44x markup
99205New patient office or other outpatient visit, 60-74 minutes
$75.2K
477 services$157.62/svc1.45x markup
92004New patient complete exam of visual system
$62.7K
547 services$114.64/svc1.49x markup
99204New patient office or other outpatient visit, 45-59 minutes
$54.7K
453 services$120.75/svc1.56x markup
92225Examination of eye by ophthalmoscope with retinal drawing
$47.9K
2.2K services$22.18/svc1.50x markup
99203New patient office or other outpatient visit, 30-44 minutes
$47.4K
622 services$76.25/svc1.59x markup
92250Photography of the retina
$46.3K
1.0K services$45.57/svc1.44x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg31.8K$23.6M$743.241.31x
J2778Injection, ranibizumab, 0.1 mg7.1K$2.0M$289.011.36x
67028Injection of drug into eye16.6K$1.6M$95.592.07x
92134Imaging of retina24.8K$828.5K$33.341.53x
J2777Injection, faricimab-svoa, 0.1 mg23.0K$673.9K$29.251.41x
92012Established patient problem focused exam of visual system9.1K$598.7K$65.601.50x
J3590Unclassified biologics769$218.8K$284.582.12x
67042Removal of membrane of retina with removal of internal limiting membrane of retina200$200.4K$1.0K1.41x
92226Examination of eye by ophthalmoscope with retinal drawing8.6K$167.0K$19.381.61x
92235Exam of retinal blood vessels using a special camera after injection of a dye1.7K$147.8K$87.551.46x
67108Repair of detached retina with drainage and removal of eye fluid between lens and retina134$146.4K$1.1K1.37x
J7999Compounded drug, not otherwise classified1.6K$102.6K$62.492.18x
67210Laser destruction of retinal growth, 1 or more sessions176$77.7K$441.401.42x
92014Established patient complete exam of visual system739$76.5K$103.461.44x
99205New patient office or other outpatient visit, 60-74 minutes477$75.2K$157.621.45x
92004New patient complete exam of visual system547$62.7K$114.641.49x
99204New patient office or other outpatient visit, 45-59 minutes453$54.7K$120.751.56x
92225Examination of eye by ophthalmoscope with retinal drawing2.2K$47.9K$22.181.50x
99203New patient office or other outpatient visit, 30-44 minutes622$47.4K$76.251.59x
92250Photography of the retina1.0K$46.3K$45.571.44x

Markup Analysis

Charge-to-Payment Ratio

1.38x

This provider submits charges 1.38 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.38x means for every $100 Medicare pays, this provider initially charges $138. This is lower than the national average.

Location

Santa Rosa, 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.

Stephen Meffert (you)
$31.1M
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 ▾
ProviderLocationTotal PaymentsStatus
Nathan Steinle, M.D.Santa Barbara, CA$63.1M✓ Clear
Stephen Couvillion, MDSanta Barbara, CA$47.7M✓ Clear
Margaret Chang, M.D.Sacramento, CA$47.6M✓ Clear
David Boyer, MDLos Angeles, CA$47.5M✓ Clear
Alessandro Castellarin, M.D.Santa Barbara, CA$46.9M✓ Clear

Related

Browse
← Back to Provider Directory
State
All providers in CA →
Specialty
All Ophthalmology providers →
Tool
Compare this provider →
Analysis
Fraud Watchlist →
Search
Search all providers →

Share This Provider

Share this provider's Medicare payment information

Share:

Data Sources

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • 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