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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.
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. Gary Gelbfish
๐Ÿ”ช
MDIndividual

Gary Gelbfish, M.D.

NPI: 1275508954
Brooklyn, NY
10 years of data
Vascular Surgery
$15.0M
Total Payments
31.9K
Beneficiaries
49.0K
Services
4.34x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$15.0M
Specialty median$184.1K

๐Ÿ“‹ Key Findings

1Billed $15.0M over 10 years
24.34x markup ratio (above median)
399th percentile in Vascular Surgery by payments
4Payments surged 220% in 2018
519 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $15.0M in total Medicare payments ranks in the 99th percentile of Vascular 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

๐Ÿ“ˆ

Notable: Payments increased 220% 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
2014$2.3K$471.004.80x$1.8K$2.2M6.6K4.2K
2015$2.0K$383.915.17x$1.6K$768.6K2.6K2.2K
2016$1.6K$322.034.97x$1.3K$456.3K1.7K1.5K
2017$1.4K$318.864.50x$1.1K$345.2K1.3K1.1K
2018$1.8K$414.064.29x$1.4K$1.1M3.6K2.9K
2019$2.7K$692.593.92x$2.0K$3.1M9.5K5.7K
2020$2.9K$834.143.46x$2.1K$2.0M5.2K3.7K
2021$1.7K$435.743.94x$1.3K$1.1M3.8K2.9K
2022$1.8K$451.353.96x$1.3K$2.2M8.3K4.3K
2023$2.2K$504.194.32x$1.7K$1.7M6.5K3.4K

Top Procedures (20)

36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretationโš  3.6x markup
$4.9M
4.0K services$1.2K/svc3.65x markup
35476Balloon dilation of narrowed or blocked vein, accessed through the skinโš  4.6x markup
$961.6K
808 services$1.2K/svc4.58x markup
99213Established patient office or other outpatient visit, typically 15 minutesโš  3.4x markup
$741.9K
10.6K services$69.83/svc3.43x markup
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretationโš  3.5x markup
$626.0K
972 services$643.99/svc3.49x markup
99214Established patient office or other outpatient, visit typically 25 minutesโš  3.7x markup
$610.9K
5.7K services$107.54/svc3.72x markup
36012Insertion of catheter into veinโš  6.4x markup
$610.3K
1.3K services$458.54/svc6.43x markup
36215Insertion of catheter into chest or arm arteryโš  3.8x markup
$609.9K
1.1K services$537.86/svc3.82x markup
37246Balloon dilation of artery, accessed through the skin or by open procedure, with imaging including radiological supervision and interpretationโš  3.4x markup
$596.9K
316 services$1.9K/svc3.44x markup
36821Relocation of arm vein with connection to arm artery, open procedureโš  5.2x markup
$522.6K
769 services$679.63/svc5.15x markup
93990Ultrasound of dialysis accessโš  6.7x markup
$489.2K
3.9K services$126.79/svc6.70x markup
36905Excision of blood clot and/or infusion to dissolve blood clot in dialysis circuit and balloon dilation of dialysis segment, , accessed through the skin, with imaging including radiological supervision and interpretationโš  3.6x markup
$440.8K
192 services$2.3K/svc3.56x markup
35475Balloon dilation of narrowed or blocked upper arm artery, accessed through the skinโš  5.0x markup
$395.7K
324 services$1.2K/svc4.98x markup
36147Insertion of needle and/or catheter for dialysisโš  6.9x markup
$353.1K
841 services$419.91/svc6.86x markup
36903Insertion of needle and/or catheter into dialysis circuit and insertion of stent in dialysis segment, with imaging including radiological supervision and interpretationโš  3.7x markup
$304.4K
62 services$4.9K/svc3.67x markup
36901Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretationโš  4.9x markup
$237.0K
558 services$424.77/svc4.94x markup
75710Radiological supervision and interpretation of imaging of artery of one arm or legโš  6.3x markup
$230.4K
1.5K services$154.12/svc6.35x markup
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure
$222.2K
21 services$10.6K/svc2.65x markup
36870Catheter removal of blood clot from dialysis graft, accessed through the skinโš  3.3x markup
$196.1K
114 services$1.7K/svc3.27x markup
35011Repair of diseased or bulging (aneurysm) artery of armโš  3.9x markup
$183.9K
179 services$1.0K/svc3.91x markup
99152Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutesโš  4.0x markup
$181.5K
3.7K services$49.44/svc4.05x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation4.0K$4.9M$1.2K3.65x
35476Balloon dilation of narrowed or blocked vein, accessed through the skin808$961.6K$1.2K4.58x
99213Established patient office or other outpatient visit, typically 15 minutes10.6K$741.9K$69.833.43x
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation972$626.0K$643.993.49x
99214Established patient office or other outpatient, visit typically 25 minutes5.7K$610.9K$107.543.72x
36012Insertion of catheter into vein1.3K$610.3K$458.546.43x
36215Insertion of catheter into chest or arm artery1.1K$609.9K$537.863.82x
37246Balloon dilation of artery, accessed through the skin or by open procedure, with imaging including radiological supervision and interpretation316$596.9K$1.9K3.44x
36821Relocation of arm vein with connection to arm artery, open procedure769$522.6K$679.635.15x
93990Ultrasound of dialysis access3.9K$489.2K$126.796.70x
36905Excision of blood clot and/or infusion to dissolve blood clot in dialysis circuit and balloon dilation of dialysis segment, , accessed through the skin, with imaging including radiological supervision and interpretation192$440.8K$2.3K3.56x
35475Balloon dilation of narrowed or blocked upper arm artery, accessed through the skin324$395.7K$1.2K4.98x
36147Insertion of needle and/or catheter for dialysis841$353.1K$419.916.86x
36903Insertion of needle and/or catheter into dialysis circuit and insertion of stent in dialysis segment, with imaging including radiological supervision and interpretation62$304.4K$4.9K3.67x
36901Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation558$237.0K$424.774.94x
75710Radiological supervision and interpretation of imaging of artery of one arm or leg1.5K$230.4K$154.126.35x
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure21$222.2K$10.6K2.65x
36870Catheter removal of blood clot from dialysis graft, accessed through the skin114$196.1K$1.7K3.27x
35011Repair of diseased or bulging (aneurysm) artery of arm179$183.9K$1.0K3.91x
99152Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes3.7K$181.5K$49.444.05x

Markup Analysis

Charge-to-Payment Ratio

4.34x

This provider submits charges 4.34 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.34x means for every $100 Medicare pays, this provider initially charges $434. This is higher than the national average.

Location

Brooklyn, NY

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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