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Methodology•Download Data
  1. Home
  2. Providers
  3. David Namazy
⚕️
MDIndividual

David Namazy, M.D.

NPI: 1477558013
San Diego, CA
10 years of data
Nephrology
$17.5M
Total Payments
25.3K
Beneficiaries
35.2K
Services
4.25x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$17.5M
Specialty median$185.2K

📋 Key Findings

1Billed $17.5M over 10 years
24.25x markup ratio (above median)
399th percentile in Nephrology by payments
418 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $17.5M in total Medicare payments ranks in the 99th percentile of Nephrology 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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$1.7K$390.134.29x$1.3K$1.7M4.6K3.2K
2015$1.6K$396.044.15x$1.2K$1.8M4.9K3.3K
2016$1.7K$400.074.13x$1.3K$1.9M4.9K3.4K
2017$2.6K$662.933.90x$1.9K$1.8M3.3K2.4K
2018$2.4K$610.163.94x$1.8K$1.8M3.5K2.5K
2019$2.8K$719.663.91x$2.1K$2.0M3.2K2.3K
2020$2.6K$612.764.29x$2.0K$1.6M3.2K2.5K
2021$3.6K$934.373.80x$2.6K$2.0M3.0K2.1K
2022$3.3K$809.314.04x$2.5K$1.5M2.5K1.9K
2023$3.4K$793.144.28x$2.6K$1.2M2.1K1.6K

Top Procedures (20)

36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation⚠ 3.9x markup
$3.2M
3.0K services$1.1K/svc3.91x 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 interpretation⚠ 3.9x markup
$2.5M
1.2K services$2.0K/svc3.85x markup
36906Excision of blood clot and/or infusion to dissolve blood clot and balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation⚠ 4.0x markup
$1.9M
353 services$5.4K/svc4.03x markup
35476Balloon dilation of narrowed or blocked vein, accessed through the skin⚠ 4.6x markup
$1.7M
1.7K services$1.0K/svc4.58x markup
36215Insertion of catheter into chest or arm artery⚠ 7.1x markup
$1.1M
2.2K services$496.89/svc7.07x markup
36870Catheter removal of blood clot from dialysis graft, accessed through the skin⚠ 4.2x markup
$964.3K
669 services$1.4K/svc4.16x markup
90960Dialysis services (4 or more physician visits per month), patient 20 years of age and older
$964.2K
4.0K services$241.95/svc2.06x markup
36903Insertion of needle and/or catheter into dialysis circuit and insertion of stent in dialysis segment, with imaging including radiological supervision and interpretation⚠ 3.9x markup
$897.7K
194 services$4.6K/svc3.94x markup
36147Insertion of needle and/or catheter for dialysis⚠ 6.9x markup
$857.7K
2.2K services$392.89/svc6.93x markup
36901Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation⚠ 4.0x markup
$492.7K
937 services$525.87/svc4.04x markup
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation⚠ 3.9x markup
$385.5K
109 services$3.5K/svc3.85x markup
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation⚠ 4.1x markup
$366.1K
628 services$582.91/svc4.07x markup
36558Insertion of central venous catheter for infusion, patient 5 years or older⚠ 4.0x markup
$319.6K
500 services$639.11/svc3.98x markup
75710Radiological supervision and interpretation of imaging of artery of one arm or leg⚠ 4.4x markup
$313.7K
2.3K services$134.98/svc4.37x markup
36581Replacement of central venous catheter⚠ 3.8x markup
$268.6K
398 services$674.95/svc3.83x markup
75978Radiological supervision and interpretation of balloon dilation of narrowed vein⚠ 5.1x markup
$197.9K
1.7K services$118.08/svc5.10x markup
35475Balloon dilation of narrowed or blocked upper arm artery, accessed through the skin⚠ 4.8x markup
$165.8K
157 services$1.1K/svc4.82x markup
36589Removal of central venous catheter for infusion⚠ 4.1x markup
$128.2K
1.0K services$127.41/svc4.13x markup
99152Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes⚠ 3.8x markup
$122.4K
2.8K services$43.13/svc3.79x markup
90961Dialysis services (2-3 physician visits per month), patient 20 years of age and older
$116.8K
572 services$204.27/svc2.33x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation3.0K$3.2M$1.1K3.91x
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 interpretation1.2K$2.5M$2.0K3.85x
36906Excision of blood clot and/or infusion to dissolve blood clot and balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation353$1.9M$5.4K4.03x
35476Balloon dilation of narrowed or blocked vein, accessed through the skin1.7K$1.7M$1.0K4.58x
36215Insertion of catheter into chest or arm artery2.2K$1.1M$496.897.07x
36870Catheter removal of blood clot from dialysis graft, accessed through the skin669$964.3K$1.4K4.16x
90960Dialysis services (4 or more physician visits per month), patient 20 years of age and older4.0K$964.2K$241.952.06x
36903Insertion of needle and/or catheter into dialysis circuit and insertion of stent in dialysis segment, with imaging including radiological supervision and interpretation194$897.7K$4.6K3.94x
36147Insertion of needle and/or catheter for dialysis2.2K$857.7K$392.896.93x
36901Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation937$492.7K$525.874.04x
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation109$385.5K$3.5K3.85x
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation628$366.1K$582.914.07x
36558Insertion of central venous catheter for infusion, patient 5 years or older500$319.6K$639.113.98x
75710Radiological supervision and interpretation of imaging of artery of one arm or leg2.3K$313.7K$134.984.37x
36581Replacement of central venous catheter398$268.6K$674.953.83x
75978Radiological supervision and interpretation of balloon dilation of narrowed vein1.7K$197.9K$118.085.10x
35475Balloon dilation of narrowed or blocked upper arm artery, accessed through the skin157$165.8K$1.1K4.82x
36589Removal of central venous catheter for infusion1.0K$128.2K$127.414.13x
99152Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes2.8K$122.4K$43.133.79x
90961Dialysis services (2-3 physician visits per month), patient 20 years of age and older572$116.8K$204.272.33x

Markup Analysis

Charge-to-Payment Ratio

4.25x

This provider submits charges 4.25 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.25x means for every $100 Medicare pays, this provider initially charges $425. This is higher than the national average.

Location

San Diego, 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 Nephrology providers in CA for peer comparison.

David Namazy (you)
$17.5M
Feliciano Serrano, M.D.
$45.3M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Feliciano Serrano, M.D.Huntington Park, CA$45.3M✓ Clear

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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.

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