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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. Marc Gertner
๐Ÿ”ช
MDIndividual

Marc Gertner, M.D.

NPI: 1144227612
Owings Mills, MD
10 years of data
General Surgery
$3.7M
Total Payments
25.2K
Beneficiaries
39.2K
Services
4.83x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$3.7M
Specialty median$42.2K

๐Ÿ“‹ Key Findings

1Billed $3.7M over 10 years
24.83x markup ratio (above median)
399th percentile in General Surgery by payments
414 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.7M in total Medicare payments ranks in the 99th percentile of General Surgery providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

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$560.57$145.523.85x$415.05$286.9K3.4K2.3K
2015$698.98$163.584.27x$535.40$323.0K3.6K2.5K
2016$714.87$172.304.15x$542.57$321.3K3.6K2.4K
2017$660.80$147.304.49x$513.50$337.9K4.0K2.6K
2018$715.79$158.234.52x$557.56$422.6K4.8K3.0K
2019$806.67$181.654.44x$625.02$482.6K5.2K3.1K
2020$763.65$161.664.72x$601.99$375.9K4.0K2.4K
2021$750.49$163.244.60x$587.25$390.4K3.6K2.3K
2022$901.91$187.814.80x$714.10$379.5K3.5K2.4K
2023$730.98$141.065.18x$589.92$372.5K3.5K2.3K

Top Procedures (20)

99213Established patient office or other outpatient visit, typically 15 minutes
$704.2K
11.8K services$59.76/svc2.96x markup
46221Removal of hemorrhoid by rubber banding
$468.7K
2.0K services$232.84/svc2.62x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$342.0K
3.6K services$95.90/svc2.91x markup
45388Destruction of large bowel growths using an endoscopeโš  5.2x markup
$295.9K
1.3K services$232.80/svc5.20x markup
11042Removal of skin and tissue first 20 sq cm or less
$201.3K
2.0K services$99.77/svc2.99x markup
76705Ultrasound of abdomenโš  3.2x markup
$188.5K
2.5K services$76.05/svc3.16x markup
15734Muscle flap wound repair at trunkโš  3.7x markup
$116.6K
111 services$1.1K/svc3.73x markup
49507Repair of trapped groin hernia patient age 5 years or olderโš  3.4x markup
$112.2K
218 services$514.47/svc3.39x markup
45384Removal of polyps or growths in large bowel using an endoscopeโš  23.5x markup
$104.7K
1.5K services$68.07/svc23.50x markup
49561Repair of trapped incisional or abdominal herniaโš  3.7x markup
$85.6K
141 services$606.85/svc3.73x markup
45385Removal of polyps or growths of large bowel using an endoscopeโš  17.7x markup
$76.7K
892 services$86.00/svc17.66x markup
99232Subsequent hospital inpatient care, typically 25 minutes per dayโš  3.0x markup
$76.5K
1.3K services$60.83/svc3.02x markup
43250Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscopeโš  8.9x markup
$76.3K
812 services$94.02/svc8.93x markup
17250Application of chemical agent to excessive wound tissueโš  6.3x markup
$67.6K
1.8K services$37.93/svc6.28x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$66.8K
1.8K services$37.02/svc2.93x markup
99203New patient office or other outpatient visit, typically 30 minutesโš  3.1x markup
$55.8K
667 services$83.64/svc3.09x markup
49568Placement of mesh to repair incisional or abdominal hernia, open procedure
$52.6K
226 services$232.84/svc2.51x markup
47562Removal of gallbladder using an endoscopeโš  4.5x markup
$48.6K
104 services$467.06/svc4.49x markup
44050Incisional repair of twisted or herniated small bowelโš  3.1x markup
$44.8K
65 services$689.20/svc3.13x markup
10061Drainage of multiple abscessโš  3.5x markup
$40.0K
228 services$175.34/svc3.47x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Established patient office or other outpatient visit, typically 15 minutes11.8K$704.2K$59.762.96x
46221Removal of hemorrhoid by rubber banding2.0K$468.7K$232.842.62x
99214Established patient office or other outpatient, visit typically 25 minutes3.6K$342.0K$95.902.91x
45388Destruction of large bowel growths using an endoscope1.3K$295.9K$232.805.20x
11042Removal of skin and tissue first 20 sq cm or less2.0K$201.3K$99.772.99x
76705Ultrasound of abdomen2.5K$188.5K$76.053.16x
15734Muscle flap wound repair at trunk111$116.6K$1.1K3.73x
49507Repair of trapped groin hernia patient age 5 years or older218$112.2K$514.473.39x
45384Removal of polyps or growths in large bowel using an endoscope1.5K$104.7K$68.0723.50x
49561Repair of trapped incisional or abdominal hernia141$85.6K$606.853.73x
45385Removal of polyps or growths of large bowel using an endoscope892$76.7K$86.0017.66x
99232Subsequent hospital inpatient care, typically 25 minutes per day1.3K$76.5K$60.833.02x
43250Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope812$76.3K$94.028.93x
17250Application of chemical agent to excessive wound tissue1.8K$67.6K$37.936.28x
99212Established patient office or other outpatient visit, typically 10 minutes1.8K$66.8K$37.022.93x
99203New patient office or other outpatient visit, typically 30 minutes667$55.8K$83.643.09x
49568Placement of mesh to repair incisional or abdominal hernia, open procedure226$52.6K$232.842.51x
47562Removal of gallbladder using an endoscope104$48.6K$467.064.49x
44050Incisional repair of twisted or herniated small bowel65$44.8K$689.203.13x
10061Drainage of multiple abscess228$40.0K$175.343.47x

Markup Analysis

Charge-to-Payment Ratio

4.83x

This provider submits charges 4.83 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.83x means for every $100 Medicare pays, this provider initially charges $483. This is higher than the national average.

Location

Owings Mills, MD

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

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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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