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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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Methodology•Download Data
  1. Home
  2. Providers
  3. Feliciano Serrano
⚕️
MDIndividual

Feliciano Serrano, M.D.

NPI: 1649225558
Huntington Park, CA
10 years of data
Nephrology
$45.3M
Total Payments
200
Beneficiaries
508.3K
Services
1.41x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$45.3M
Specialty median$185.2K
Rank #1 of 2 in specialty

📋 Key Findings

1Billed $45.3M over 10 years
299th percentile in Nephrology by payments
3203 services/day — physically implausible
4Payments surged 58% in 2016

⚠️ This provider averages 203 services per working day — physically unusual for an individual practitioner

Based on 508.3K total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $45.3M in total Medicare payments ranks in the 99th percentile of Nephrology providers nationally.

Averaging 203 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 51% from 2014 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

📈

Notable: Payments increased 58% in 2016

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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$117.68$69.681.69x$48.00$3.0M43.1K20
2015$87.05$65.391.33x$21.66$3.2M48.6K21
2016$68.52$52.131.31x$16.39$5.0M96.3K18
2017$68.01$50.571.34x$17.44$4.3M84.6K18
2018$69.93$52.751.33x$17.18$4.3M80.7K17
2019$133.75$95.201.40x$38.55$4.8M50.0K26
2020$244.36$183.561.33x$60.80$5.7M31.1K20
2021$247.62$194.921.27x$52.70$5.5M28.3K23
2022$264.12$203.811.30x$60.31$5.0M24.6K19
2023$416.82$215.151.94x$201.67$4.5M21.1K18

Top Procedures (20)

37229Removal of plaque in artery of leg, initial vessel
$9.8M
1.1K services$9.3K/svc1.40x markup
37225Removal of plaque in arteries of leg
$5.0M
942 services$5.3K/svc1.52x markup
36903Insertion of needle and/or catheter into dialysis circuit and insertion of stent in dialysis segment, with imaging including radiological supervision and interpretation
$4.8M
976 services$4.9K/svc1.32x markup
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation
$4.3M
1.2K services$3.7K/svc1.37x markup
36905Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube
$3.0M
1.4K services$2.1K/svc1.33x markup
35476Balloon dilation of narrowed or blocked vein, accessed through the skin
$2.4M
2.5K services$993.16/svc1.42x markup
36906Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment and placement of stent with review by radiologist
$2.0M
338 services$6.0K/svc1.30x markup
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation
$1.5M
1.4K services$1.1K/svc1.33x markup
36870Catheter removal of blood clot from dialysis graft, accessed through the skin
$1.5M
1.1K services$1.4K/svc1.37x markup
37252Ultrasound evaluation of blood vessel with review by radiologist, initial vessel
$1.4M
1.4K services$1.0K/svc1.37x markup
36147Insertion of needle and/or catheter for dialysis
$905.3K
2.4K services$373.47/svc1.40x markup
36247Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch
$815.5K
1.2K services$702.42/svc1.57x markup
37227Removal of plaque and insertion of stents into arteries in one leg, endovascular, accessed through the skin or open procedure
$786.9K
56 services$14.1K/svc1.34x markup
36245Insertion of tube into abdominal, pelvic, or leg artery, each first order branch
$725.8K
1.2K services$610.96/svc1.57x markup
37246Balloon dilation of artery with review by radiologist, initial artery
$655.7K
730 services$898.15/svc1.71x markup
36246Insertion of tube into abdominal, pelvic, or leg artery, initial second order branch
$456.3K
1.2K services$394.06/svc1.63x markup
36215Insertion of catheter into chest or arm artery
$417.9K
864 services$483.63/svc1.43x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$412.3K
6.6K services$62.38/svc1.48x markup
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation
$407.0K
627 services$649.10/svc1.32x markup
36011Insertion of catheter into vein
$397.0K
1.1K services$372.06/svc1.46x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
37229Removal of plaque in artery of leg, initial vessel1.1K$9.8M$9.3K1.40x
37225Removal of plaque in arteries of leg942$5.0M$5.3K1.52x
36903Insertion of needle and/or catheter into dialysis circuit and insertion of stent in dialysis segment, with imaging including radiological supervision and interpretation976$4.8M$4.9K1.32x
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation1.2K$4.3M$3.7K1.37x
36905Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube1.4K$3.0M$2.1K1.33x
35476Balloon dilation of narrowed or blocked vein, accessed through the skin2.5K$2.4M$993.161.42x
36906Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment and placement of stent with review by radiologist338$2.0M$6.0K1.30x
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation1.4K$1.5M$1.1K1.33x
36870Catheter removal of blood clot from dialysis graft, accessed through the skin1.1K$1.5M$1.4K1.37x
37252Ultrasound evaluation of blood vessel with review by radiologist, initial vessel1.4K$1.4M$1.0K1.37x
36147Insertion of needle and/or catheter for dialysis2.4K$905.3K$373.471.40x
36247Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch1.2K$815.5K$702.421.57x
37227Removal of plaque and insertion of stents into arteries in one leg, endovascular, accessed through the skin or open procedure56$786.9K$14.1K1.34x
36245Insertion of tube into abdominal, pelvic, or leg artery, each first order branch1.2K$725.8K$610.961.57x
37246Balloon dilation of artery with review by radiologist, initial artery730$655.7K$898.151.71x
36246Insertion of tube into abdominal, pelvic, or leg artery, initial second order branch1.2K$456.3K$394.061.63x
36215Insertion of catheter into chest or arm artery864$417.9K$483.631.43x
99213Established patient office or other outpatient visit, 20-29 minutes6.6K$412.3K$62.381.48x
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation627$407.0K$649.101.32x
36011Insertion of catheter into vein1.1K$397.0K$372.061.46x

Markup Analysis

Charge-to-Payment Ratio

1.41x

This provider submits charges 1.41 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.41x means for every $100 Medicare pays, this provider initially charges $141. This is lower than the national average.

Location

Huntington Park, CA

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

  • • 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