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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. Mahmood El-Gasim
๐Ÿ‘๏ธ
MDIndividual

Mahmood El-Gasim, MD

NPI: 1477814739
Phoenix, AZ
7 years of data
Ophthalmology
$16.2M
Total Payments
101
Beneficiaries
123.7K
Services
3.06x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$16.2M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $16.2M over 7 years
23.06x markup ratio (above median)
399th percentile in Ophthalmology by payments
471 services/day โ€” unusually high
5Payments surged 563% in 2018
610 procedures with >3x markup

This provider averages 71 services per working day

Based on 123.7K total services over 7 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $16.2M in total Medicare payments ranks in the 99th percentile of Ophthalmology providers nationally.

Averaging 71 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 1270% from 2017 to 2023.

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 563% in 2018

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
2017$318.30$103.793.07x$214.51$269.2K2.6K9
2018$396.71$148.142.68x$248.57$1.8M12.0K14
2019$467.81$180.902.59x$286.91$2.5M14.0K14
2020$484.13$181.792.66x$302.34$2.7M14.6K12
2021$572.31$176.303.25x$396.01$2.7M15.1K15
2022$572.35$171.213.34x$401.14$2.6M15.2K17
2023$258.19$73.513.51x$184.68$3.7M50.2K20

Top Procedures (20)

J0178Injection, aflibercept, 1 mg
$8.8M
12.1K services$732.03/svc2.51x markup
67028Injection of drug into eyeโš  6.5x markup
$1.4M
15.6K services$90.94/svc6.53x markup
J2777Injection, faricimab-svoa, 0.1 mgโš  3.3x markup
$1.0M
35.6K services$29.02/svc3.28x markup
J2778Injection, ranibizumab, 0.1 mg
$990.3K
4.0K services$249.44/svc2.76x markup
J7999Compounded drug, not otherwise classified
$780.2K
11.3K services$69.03/svc2.95x markup
92014Established patient complete exam of visual system
$738.7K
8.4K services$88.19/svc2.46x markup
92134Imaging of retinaโš  3.4x markup
$675.4K
23.1K services$29.23/svc3.42x markup
Q5124Injection, ranibizumab-nuna, biosimilar, (byooviz), 0.1 mgโš  4.4x markup
$258.2K
1.5K services$169.89/svc4.41x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$250.4K
2.8K services$90.97/svc2.97x markup
92242Exam of retinal blood vessels and blood vessels between the white part of eye and retina using a special camera after injection of a dye
$234.9K
1.3K services$187.76/svc2.36x markup
92235Exam of retinal blood vessels using a special camera after injection of a dye
$219.1K
2.6K services$83.82/svc2.65x markup
J3490Unclassified drugsโš  4.5x markup
$164.5K
93 services$1.8K/svc4.52x markup
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mgโš  3.4x markup
$145.7K
685 services$212.76/svc3.39x markup
J2781Injection, pegcetacoplan, intravitreal, 1 mgโš  3.1x markup
$130.3K
1.1K services$118.98/svc3.12x markup
92004New patient complete exam of visual system
$119.7K
1.1K services$109.86/svc2.42x markup
99204New patient office or other outpatient visit, 45-59 minutes
$84.5K
744 services$113.54/svc2.51x markup
67210Destruction of growth of retina using a laser
$78.1K
195 services$400.67/svc2.92x markup
67145Photocoagulation treatment to prevent detachment of retinaโš  4.3x markup
$12.1K
44 services$274.38/svc4.35x markup
92250Photography of the retinaโš  3.9x markup
$9.8K
331 services$29.48/svc3.91x markup
765122d ultrasound scan of eye tissue and structuresโš  3.9x markup
$7.4K
177 services$41.99/svc3.92x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0178Injection, aflibercept, 1 mg12.1K$8.8M$732.032.51x
67028Injection of drug into eye15.6K$1.4M$90.946.53x
J2777Injection, faricimab-svoa, 0.1 mg35.6K$1.0M$29.023.28x
J2778Injection, ranibizumab, 0.1 mg4.0K$990.3K$249.442.76x
J7999Compounded drug, not otherwise classified11.3K$780.2K$69.032.95x
92014Established patient complete exam of visual system8.4K$738.7K$88.192.46x
92134Imaging of retina23.1K$675.4K$29.233.42x
Q5124Injection, ranibizumab-nuna, biosimilar, (byooviz), 0.1 mg1.5K$258.2K$169.894.41x
99214Established patient office or other outpatient visit, 30-39 minutes2.8K$250.4K$90.972.97x
92242Exam of retinal blood vessels and blood vessels between the white part of eye and retina using a special camera after injection of a dye1.3K$234.9K$187.762.36x
92235Exam of retinal blood vessels using a special camera after injection of a dye2.6K$219.1K$83.822.65x
J3490Unclassified drugs93$164.5K$1.8K4.52x
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg685$145.7K$212.763.39x
J2781Injection, pegcetacoplan, intravitreal, 1 mg1.1K$130.3K$118.983.12x
92004New patient complete exam of visual system1.1K$119.7K$109.862.42x
99204New patient office or other outpatient visit, 45-59 minutes744$84.5K$113.542.51x
67210Destruction of growth of retina using a laser195$78.1K$400.672.92x
67145Photocoagulation treatment to prevent detachment of retina44$12.1K$274.384.35x
92250Photography of the retina331$9.8K$29.483.91x
765122d ultrasound scan of eye tissue and structures177$7.4K$41.993.92x

Markup Analysis

Charge-to-Payment Ratio

3.06x

This provider submits charges 3.06 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.06x means for every $100 Medicare pays, this provider initially charges $306. This is higher than the national average.

Location

Phoenix, AZ

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 AZ for peer comparison.

Mahmood El-Gasim (you)
$16.2M
Derek Kunimoto, MD
$68.3M
David Goldenberg, MD
$50.8M
Sachin Mehta, M.D.
$43.3M
Edward Quinlan, M.D.
$40.1M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Derek Kunimoto, MDMesa, AZ$68.3Mโœ“ Clear
David Goldenberg, MDPhoenix, AZ$50.8Mโœ“ Clear
Sachin Mehta, M.D.Phoenix, AZ$43.3Mโœ“ Clear
Edward Quinlan, M.D.Phoenix, AZ$40.1Mโœ“ 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.

Believe this data is inaccurate? Dispute this data