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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. Eric Lee
⚕️
MDIndividual

Eric Lee, M.D.

NPI: 1760481808
Upland, CA
10 years of data
Rheumatology
$37.5M
Total Payments
586
Beneficiaries
2.4M
Services
1.82x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$37.5M
Specialty median$352.6K
Rank #23 of 32 in specialty

📋 Key Findings

1Billed $37.5M over 10 years
21.82x markup ratio
399th percentile in Rheumatology by payments
4980 services/day — physically implausible
51 procedure with >3x markup

⚠️ This provider averages 980 services per working day — physically unusual for an individual practitioner

Based on 2.4M total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $37.5M in total Medicare payments ranks in the 99th percentile of Rheumatology providers nationally.

Averaging 980 services per working day raises questions about billing patterns.

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$32.11$17.641.82x$14.47$3.0M167.5K64
2015$28.30$16.441.72x$11.86$3.5M210.5K67
2016$31.21$18.891.65x$12.32$3.9M208.1K63
2017$28.63$18.221.57x$10.41$4.2M233.1K53
2018$28.71$18.231.57x$10.48$4.1M223.1K57
2019$29.53$17.461.69x$12.07$4.3M244.3K56
2020$28.10$15.761.78x$12.34$3.7M236.7K58
2021$29.65$15.281.94x$14.37$4.1M265.3K59
2022$24.66$10.922.26x$13.74$3.4M308.4K55
2023$22.55$9.822.30x$12.73$3.5M352.7K54

Top Procedures (20)

J1745Injection, infliximab, excludes biosimilar, 10 mg
$10.2M
200.2K services$51.15/svc1.94x markup
J0129Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
$9.0M
249.6K services$36.16/svc1.46x markup
J0717Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
$7.4M
1.4M services$5.38/svc1.82x markup
J1602Injection, golimumab, 1 mg, for intravenous use
$2.1M
143.4K services$14.71/svc1.83x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$1.3M
14.9K services$85.15/svc1.48x markup
J0897Injection, denosumab, 1 mg
$1.1M
78.3K services$14.67/svc1.47x markup
J9310Injection, rituximab, 100 mg
$724.8K
1.3K services$575.25/svc1.39x markup
J3262Injection, tocilizumab, 1 mg
$570.9K
127.7K services$4.47/svc1.71x markup
96413Administration of chemotherapy into vein, 1 hour or less
$567.1K
5.1K services$111.50/svc1.93x markup
86235Measurement of antibody for assessment of autoimmune disorder, any method
$527.2K
26.6K services$19.86/svc2.12x markup
J9312Injection, rituximab, 10 mg
$524.6K
7.5K services$69.94/svc1.43x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$307.2K
5.0K services$61.49/svc1.45x markup
96365Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
$283.9K
5.0K services$56.45/svc2.21x markup
82784Gammaglobulin (immune system protein) measurement
$172.5K
18.3K services$9.40/svc1.60x markup
96372Injection of drug or substance under skin or into muscle
$159.3K
10.7K services$14.90/svc2.35x markup
96415Administration of chemotherapy into vein, each additional hour⚠ 3.9x markup
$148.9K
6.2K services$24.16/svc3.93x markup
20610Aspiration and/or injection of fluid from large joint
$115.1K
2.7K services$42.30/svc2.48x markup
83520Measurement of substance using immunoassay technique
$113.4K
6.6K services$17.09/svc1.46x markup
20611Aspiration and/or injection of major joint or joint capsule with recording and reporting using ultrasound guidance
$108.4K
1.7K services$62.45/svc2.32x markup
99204New patient office or other outpatient visit, 45-59 minutes
$99.6K
812 services$122.61/svc1.50x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J1745Injection, infliximab, excludes biosimilar, 10 mg200.2K$10.2M$51.151.94x
J0129Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)249.6K$9.0M$36.161.46x
J0717Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)1.4M$7.4M$5.381.82x
J1602Injection, golimumab, 1 mg, for intravenous use143.4K$2.1M$14.711.83x
99214Established patient office or other outpatient visit, 30-39 minutes14.9K$1.3M$85.151.48x
J0897Injection, denosumab, 1 mg78.3K$1.1M$14.671.47x
J9310Injection, rituximab, 100 mg1.3K$724.8K$575.251.39x
J3262Injection, tocilizumab, 1 mg127.7K$570.9K$4.471.71x
96413Administration of chemotherapy into vein, 1 hour or less5.1K$567.1K$111.501.93x
86235Measurement of antibody for assessment of autoimmune disorder, any method26.6K$527.2K$19.862.12x
J9312Injection, rituximab, 10 mg7.5K$524.6K$69.941.43x
99213Established patient office or other outpatient visit, 20-29 minutes5.0K$307.2K$61.491.45x
96365Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less5.0K$283.9K$56.452.21x
82784Gammaglobulin (immune system protein) measurement18.3K$172.5K$9.401.60x
96372Injection of drug or substance under skin or into muscle10.7K$159.3K$14.902.35x
96415Administration of chemotherapy into vein, each additional hour6.2K$148.9K$24.163.93x
20610Aspiration and/or injection of fluid from large joint2.7K$115.1K$42.302.48x
83520Measurement of substance using immunoassay technique6.6K$113.4K$17.091.46x
20611Aspiration and/or injection of major joint or joint capsule with recording and reporting using ultrasound guidance1.7K$108.4K$62.452.32x
99204New patient office or other outpatient visit, 45-59 minutes812$99.6K$122.611.50x

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

Upland, 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 Rheumatology providers in CA for peer comparison.

Eric Lee (you)
$37.5M
Barry Eibschutz, M.D.
$55.8M
Shariar Cohen-Gadol, M.D.⚠️
$49.5M
Gerald Ho, M.D.
$45.8M
Arash Horizon, M.D.
$45.0M
Daniel Watrous, M.D.
$41.6M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Barry Eibschutz, M.D.San Luis Obispo, CA$55.8M✓ Clear
Shariar Cohen-Gadol, M.D.Thousand Oaks, CA$49.5M⚠️ Flagged
Gerald Ho, M.D.La Palma, CA$45.8M✓ Clear
Arash Horizon, M.D.Los Angeles, CA$45.0M✓ Clear
Daniel Watrous, M.D.Visalia, CA$41.6M✓ 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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