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Methodology•Download Data
  1. Home
  2. Providers
  3. Fred Lui
⚕️
MDIndividual

Fred Lui, M.D.

NPI: 1265461644
San Francisco, CA
10 years of data
Nephrology
$6.6M
Total Payments
11.9K
Beneficiaries
39.9K
Services
1.82x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$6.6M
Specialty median$185.2K

📋 Key Findings

1Billed $6.6M over 10 years
21.82x markup ratio
399th percentile in Nephrology by payments
45 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $6.6M 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$279.73$157.661.77x$122.07$667.7K4.1K1.3K
2015$289.86$153.161.89x$136.70$632.0K3.9K1.1K
2016$282.44$141.761.99x$140.68$660.5K4.1K1.1K
2017$284.61$139.212.04x$145.40$760.0K4.9K1.3K
2018$608.77$253.442.40x$355.33$826.6K4.9K1.5K
2019$525.27$210.492.50x$314.78$928.0K5.3K1.7K
2020$279.06$147.401.89x$131.66$758.2K4.7K1.3K
2021$307.28$173.511.77x$133.77$508.3K2.9K835
2022$324.39$169.611.91x$154.78$451.1K2.8K859
2023$311.86$170.421.83x$141.44$415.6K2.4K842

Top Procedures (19)

90960Dialysis services (4 or more physician visits per month), patient 20 years of age and older
$1.9M
7.4K services$257.22/svc1.63x markup
90961Dialysis services (2-3 physician visits per month), patient 20 years of age and older
$1.9M
8.4K services$223.24/svc1.84x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$803.2K
8.1K services$98.65/svc1.74x markup
90966Home dialysis services per month, patient 20 years of age or older
$486.7K
2.2K services$218.24/svc1.81x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day
$336.4K
5.2K services$65.02/svc1.90x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$327.4K
1.8K services$177.91/svc1.91x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day
$318.3K
3.4K services$92.65/svc1.77x markup
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation
$175.6K
142 services$1.2K/svc2.60x markup
99205New patient office or other outpatient visit, typically 60 minutes
$126.1K
684 services$184.30/svc1.85x markup
90935Hemodialysis procedure with one physician evaluation⚠ 3.4x markup
$82.2K
1.3K services$64.25/svc3.35x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$77.6K
553 services$140.29/svc1.52x markup
90962Dialysis services (1 physician visit per month), patient 20 years of age and older
$32.3K
193 services$167.34/svc2.40x markup
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation
$30.2K
42 services$718.35/svc2.69x markup
75710Radiological supervision and interpretation of imaging of artery of one arm or leg⚠ 4.3x markup
$19.4K
126 services$153.79/svc4.33x markup
99152Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes
$8.1K
163 services$49.85/svc2.71x markup
99443Physician telephone patient service, 21-30 minutes of medical discussion
$1.6K
15 services$105.29/svc1.66x markup
93040Tracing of electrical activity of heart using 1-3 leads with interpretation and report⚠ 13.1x markup
$400.05
35 services$11.43/svc13.12x markup
J3010Injection, fentanyl citrate, 0.1 mg⚠ 125.8x markup
$21.62
32 services$0.68/svc125.81x markup
Q9967Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml⚠ 888.1x markup
$3.25
34 services$0.10/svc888.06x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
90960Dialysis services (4 or more physician visits per month), patient 20 years of age and older7.4K$1.9M$257.221.63x
90961Dialysis services (2-3 physician visits per month), patient 20 years of age and older8.4K$1.9M$223.241.84x
99214Established patient office or other outpatient, visit typically 25 minutes8.1K$803.2K$98.651.74x
90966Home dialysis services per month, patient 20 years of age or older2.2K$486.7K$218.241.81x
99232Subsequent hospital inpatient care, typically 25 minutes per day5.2K$336.4K$65.021.90x
99223Initial hospital inpatient care, typically 70 minutes per day1.8K$327.4K$177.911.91x
99233Subsequent hospital inpatient care, typically 35 minutes per day3.4K$318.3K$92.651.77x
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation142$175.6K$1.2K2.60x
99205New patient office or other outpatient visit, typically 60 minutes684$126.1K$184.301.85x
90935Hemodialysis procedure with one physician evaluation1.3K$82.2K$64.253.35x
99215Established patient office or other outpatient, visit typically 40 minutes553$77.6K$140.291.52x
90962Dialysis services (1 physician visit per month), patient 20 years of age and older193$32.3K$167.342.40x
36907Balloon dilation of dialysis segment, accessed through the skin, with imaging including radiological supervision and interpretation42$30.2K$718.352.69x
75710Radiological supervision and interpretation of imaging of artery of one arm or leg126$19.4K$153.794.33x
99152Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes163$8.1K$49.852.71x
99443Physician telephone patient service, 21-30 minutes of medical discussion15$1.6K$105.291.66x
93040Tracing of electrical activity of heart using 1-3 leads with interpretation and report35$400.05$11.4313.12x
J3010Injection, fentanyl citrate, 0.1 mg32$21.62$0.68125.81x
Q9967Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml34$3.25$0.10888.06x

Markup Analysis

Charge-to-Payment Ratio

1.82x

This provider submits charges 1.82 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.82x means for every $100 Medicare pays, this provider initially charges $182. This is lower than the national average.

Location

San Francisco, 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.

Fred Lui (you)
$6.6M
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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