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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. Matthew Lefferman
🩺
DOIndividual

Matthew Lefferman, DO

NPI: 1184622417
Los Angeles, CA
10 years of data
Internal Medicine
$12.1M
Total Payments
127.7K
Beneficiaries
256.9K
Services
2.03x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$12.1M
Specialty median$84.0K

📋 Key Findings

1Billed $12.1M over 10 years
22.03x markup ratio (above median)
399th percentile in Internal Medicine by payments
4103 services/day — unusually high

This provider averages 103 services per working day

Based on 256.9K total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $12.1M in total Medicare payments ranks in the 99th percentile of Internal Medicine providers nationally.

Averaging 103 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 218% 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

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$100.59$59.201.70x$41.39$645.3K18.4K8.5K
2015$102.96$61.981.66x$40.98$766.2K19.8K8.4K
2016$95.25$54.131.76x$41.12$886.0K23.1K10.9K
2017$127.02$61.072.08x$65.95$790.0K16.0K7.3K
2018$142.22$69.772.04x$72.45$868.2K15.0K7.2K
2019$119.24$57.692.07x$61.55$1.3M29.2K15.5K
2020$115.62$56.302.05x$59.32$1.3M29.4K17.3K
2021$114.70$56.502.03x$58.20$1.6M27.3K14.4K
2022$124.79$60.202.07x$64.59$2.0M44.8K19.9K
2023$117.63$54.672.15x$62.96$2.1M34.0K18.3K

Top Procedures (20)

99337Established patient assisted living visit, typically 60 minutes
$2.0M
13.1K services$155.52/svc2.03x markup
99336Established patient assisted living visit, typically 40 minutes
$2.0M
18.5K services$108.74/svc1.97x markup
99350Established patient home visit, typically 60 minutes
$573.2K
3.9K services$146.60/svc2.70x markup
99487Complex chronic care management services 60 minutes clinical staff time
$549.1K
5.4K services$101.82/svc1.66x markup
99490Chronic care management services at least 20 minutes per calendar month
$448.8K
9.9K services$45.47/svc1.76x markup
99349Established patient home visit, typically 40 minutes
$364.8K
3.6K services$101.69/svc2.72x markup
99454Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days
$337.2K
6.6K services$50.97/svc2.14x markup
96372Injection beneath the skin or into muscle for therapy, diagnosis, or prevention
$310.0K
18.6K services$16.71/svc2.61x markup
99497Advance care planning by the physician or other qualified health care professional
$293.5K
4.2K services$70.30/svc1.92x markup
99457Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; first 20 minutes
$292.6K
6.8K services$43.32/svc1.85x markup
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge
$282.6K
1.3K services$222.53/svc1.77x markup
69210Removal of impact ear wax, one ear
$268.6K
7.0K services$38.35/svc2.14x markup
99335Established patient assisted living visit, typically 25 minutes
$264.2K
3.5K services$76.04/svc1.97x markup
82306Vitamin D-3 level
$236.5K
6.7K services$35.20/svc1.96x markup
99328New patient assisted living visit, typically 75 minutes
$227.9K
1.3K services$169.07/svc2.13x markup
99489Complex chronic care management services each additional 30 minutes clinical staff time
$220.7K
4.1K services$53.35/svc1.62x markup
G0181Physician supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of c
$162.4K
1.8K services$90.82/svc1.96x markup
99439Chronic care management services, each additional 20 minutes of clinical staff time per calendar month
$156.1K
4.1K services$38.05/svc1.63x markup
84443Blood test, thyroid stimulating hormone (TSH)
$140.5K
7.1K services$19.82/svc1.39x markup
G0180Physician certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imple
$136.7K
3.0K services$45.99/svc2.09x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99337Established patient assisted living visit, typically 60 minutes13.1K$2.0M$155.522.03x
99336Established patient assisted living visit, typically 40 minutes18.5K$2.0M$108.741.97x
99350Established patient home visit, typically 60 minutes3.9K$573.2K$146.602.70x
99487Complex chronic care management services 60 minutes clinical staff time5.4K$549.1K$101.821.66x
99490Chronic care management services at least 20 minutes per calendar month9.9K$448.8K$45.471.76x
99349Established patient home visit, typically 40 minutes3.6K$364.8K$101.692.72x
99454Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days6.6K$337.2K$50.972.14x
96372Injection beneath the skin or into muscle for therapy, diagnosis, or prevention18.6K$310.0K$16.712.61x
99497Advance care planning by the physician or other qualified health care professional4.2K$293.5K$70.301.92x
99457Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; first 20 minutes6.8K$292.6K$43.321.85x
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge1.3K$282.6K$222.531.77x
69210Removal of impact ear wax, one ear7.0K$268.6K$38.352.14x
99335Established patient assisted living visit, typically 25 minutes3.5K$264.2K$76.041.97x
82306Vitamin D-3 level6.7K$236.5K$35.201.96x
99328New patient assisted living visit, typically 75 minutes1.3K$227.9K$169.072.13x
99489Complex chronic care management services each additional 30 minutes clinical staff time4.1K$220.7K$53.351.62x
G0181Physician supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of c1.8K$162.4K$90.821.96x
99439Chronic care management services, each additional 20 minutes of clinical staff time per calendar month4.1K$156.1K$38.051.63x
84443Blood test, thyroid stimulating hormone (TSH)7.1K$140.5K$19.821.39x
G0180Physician certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imple3.0K$136.7K$45.992.09x

Markup Analysis

Charge-to-Payment Ratio

2.03x

This provider submits charges 2.03 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.03x means for every $100 Medicare pays, this provider initially charges $203. This is higher than the national average.

Location

Los Angeles, 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 Internal Medicine providers in CA for peer comparison.

Matthew Lefferman (you)
$12.1M
Aaron Jeng, MD, MPH
$45.6M
Richard Park, M.D.⚠️
$34.7M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Aaron Jeng, MD, MPHSan Gabriel, CA$45.6M✓ Clear
Richard Park, M.D.Granada Hills, CA$34.7M⚠️ Flagged

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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