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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.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Mark Lierz
๐Ÿฅ
MDIndividual

Mark Lierz, M.D.

NPI: 1497856702
Saint Joseph, MO
10 years of data
Urology
$4.9M
Total Payments
104.6K
Beneficiaries
157.0K
Services
5.6x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$4.9M
Specialty median$142.4K

๐Ÿ“‹ Key Findings

1Billed $4.9M over 10 years
25.6x markup ratio (above median)
399th percentile in Urology by payments
463 services/day โ€” unusually high
5Payments surged 67% in 2023
617 procedures with >3x markup

This provider averages 63 services per working day

Based on 157.0K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $4.9M in total Medicare payments ranks in the 99th percentile of Urology providers nationally.

Their average markup ratio of 5.6x is significantly above the specialty median of 3.8x.

Averaging 63 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 80% 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

๐Ÿ“ˆ

Notable: Payments increased 67% in 2023

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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$744.45$98.707.54x$645.75$514.4K15.6K9.8K
2015$686.90$95.957.16x$590.95$486.1K14.2K9.5K
2016$680.75$87.427.79x$593.33$430.2K11.9K8.2K
2017$696.54$94.707.36x$601.84$424.9K11.2K7.6K
2018$647.61$89.617.23x$558.00$397.8K10.4K7.1K
2019$649.06$101.336.41x$547.73$366.6K9.6K6.8K
2020$536.83$76.477.02x$460.36$322.9K9.0K6.4K
2021$504.98$85.875.88x$419.11$524.4K13.4K9.2K
2022$379.81$64.415.90x$315.40$554.6K21.6K16.3K
2023$431.48$74.335.80x$357.15$927.5K40.0K23.7K

Top Procedures (20)

99214Established patient office or other outpatient, visit typically 25 minutesโš  4.0x markup
$1.4M
19.5K services$72.65/svc4.02x markup
52000Diagnostic examination of the bladder and bladder canal (urethra) using an endoscopeโš  5.4x markup
$473.5K
3.7K services$128.28/svc5.37x markup
99204New patient office or other outpatient visit, typically 45 minutesโš  4.2x markup
$204.6K
1.9K services$106.84/svc4.24x markup
52356Crushing of stone in urinary duct (ureter) with stent using an endoscopeโš  8.1x markup
$192.7K
605 services$318.46/svc8.11x markup
51798Ultrasound measurement of bladder capacity after voidingโš  15.3x markup
$183.8K
19.3K services$9.51/svc15.29x markup
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month
$137.9K
3.1K services$43.89/svc2.16x markup
99213Established patient office or other outpatient visit, typically 15 minutesโš  3.2x markup
$127.9K
2.3K services$54.80/svc3.24x markup
52601Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscopeโš  5.5x markup
$114.4K
195 services$586.92/svc5.52x markup
J9217Leuprolide acetate (for depot suspension), 7.5 mg
$111.7K
680 services$164.28/svc2.19x markup
52310Removal of foreign body, stone, or stent from bladder canal (urethra) or bladder using an endoscopeโš  4.4x markup
$98.6K
504 services$195.67/svc4.43x markup
81007Urinalysis for bacteria
$97.9K
3.3K services$29.36/svc1.53x markup
51741Electronic assessment of bladder emptyingโš  25.5x markup
$91.9K
9.6K services$9.52/svc25.54x markup
52353Crushing of stone in urinary duct (ureter) using an endoscopeโš  11.4x markup
$68.7K
239 services$287.60/svc11.40x markup
74178CT scan of abdomen and pelvis before and after contrastโš  9.4x markup
$67.1K
393 services$170.68/svc9.43x markup
84153PSA (prostate specific antigen) measurementโš  5.2x markup
$66.2K
3.0K services$21.76/svc5.24x markup
74176CT scan of abdomen and pelvisโš  17.8x markup
$65.8K
904 services$72.77/svc17.80x markup
76775Ultrasound behind abdominal cavity, limitedโš  7.4x markup
$65.8K
1.7K services$38.62/svc7.40x markup
99203New patient office or other outpatient visit, typically 30 minutesโš  4.6x markup
$63.6K
911 services$69.81/svc4.61x markup
52332Insertion of stent in urinary duct (ureter) using an endoscopeโš  10.6x markup
$55.1K
480 services$114.73/svc10.62x markup
81003Automated urinalysis testโš  12.9x markup
$54.7K
20.5K services$2.68/svc12.94x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office or other outpatient, visit typically 25 minutes19.5K$1.4M$72.654.02x
52000Diagnostic examination of the bladder and bladder canal (urethra) using an endoscope3.7K$473.5K$128.285.37x
99204New patient office or other outpatient visit, typically 45 minutes1.9K$204.6K$106.844.24x
52356Crushing of stone in urinary duct (ureter) with stent using an endoscope605$192.7K$318.468.11x
51798Ultrasound measurement of bladder capacity after voiding19.3K$183.8K$9.5115.29x
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month3.1K$137.9K$43.892.16x
99213Established patient office or other outpatient visit, typically 15 minutes2.3K$127.9K$54.803.24x
52601Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope195$114.4K$586.925.52x
J9217Leuprolide acetate (for depot suspension), 7.5 mg680$111.7K$164.282.19x
52310Removal of foreign body, stone, or stent from bladder canal (urethra) or bladder using an endoscope504$98.6K$195.674.43x
81007Urinalysis for bacteria3.3K$97.9K$29.361.53x
51741Electronic assessment of bladder emptying9.6K$91.9K$9.5225.54x
52353Crushing of stone in urinary duct (ureter) using an endoscope239$68.7K$287.6011.40x
74178CT scan of abdomen and pelvis before and after contrast393$67.1K$170.689.43x
84153PSA (prostate specific antigen) measurement3.0K$66.2K$21.765.24x
74176CT scan of abdomen and pelvis904$65.8K$72.7717.80x
76775Ultrasound behind abdominal cavity, limited1.7K$65.8K$38.627.40x
99203New patient office or other outpatient visit, typically 30 minutes911$63.6K$69.814.61x
52332Insertion of stent in urinary duct (ureter) using an endoscope480$55.1K$114.7310.62x
81003Automated urinalysis test20.5K$54.7K$2.6812.94x

Markup Analysis

Charge-to-Payment Ratio

5.6x

This provider submits charges 5.6 times higher than what Medicare actually pays.

What This Means

A markup ratio of 5.6x means for every $100 Medicare pays, this provider initially charges $560. This is higher than the national average.

Location

Saint Joseph, MO

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

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข 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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