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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. Ark Laboratory Llc
🔬
Organization

Ark Laboratory Llc

NPI: 1700120938
Waterford, MI
9 years of data
Clinical Laboratory
$25.7M
Total Payments
187.7K
Beneficiaries
334.3K
Services
1.97x
Markup Ratio

Peer Comparison

96th
percentile in specialty
This provider$25.7M
Specialty median$1.9M

📋 Key Findings

1Billed $25.7M over 9 years
21.97x markup ratio
396th percentile in Clinical Laboratory by payments
4Payments surged 171% in 2016
55 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $25.7M in total Medicare payments ranks in the 96th percentile of Clinical Laboratory providers nationally.

Medicare payments to this provider grew 59% from 2015 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 171% 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
2015$59.20$16.793.53x$42.41$584.3K37.1K25.6K
2016$107.10$32.753.27x$74.35$1.6M47.9K27.0K
2017$169.86$51.893.27x$117.97$1.2M11.8K6.5K
2018$294.59$144.252.04x$150.34$2.3M12.7K6.5K
2019$144.80$73.201.98x$71.60$4.6M30.5K13.5K
2020$84.30$59.181.42x$25.12$7.0M54.5K24.9K
2021$48.42$33.021.47x$15.40$5.0M52.5K25.0K
2022$45.77$26.041.76x$19.73$2.6M50.8K33.1K
2023$35.34$22.991.54x$12.35$927.9K36.6K25.6K

Top Procedures (20)

G0483Drug test def 22+ classes
$12.4M
55.6K services$223.02/svc2.01x markup
80307Testing for presence of drug
$3.3M
54.1K services$61.43/svc1.78x markup
U0003Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r
$2.6M
29.5K services$89.10/svc2.15x markup
G0482Drug test def 15-21 classes
$2.6M
13.9K services$188.32/svc1.66x markup
G0480Drug test(s), definitive, utilizing drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (an
$1.1M
9.3K services$112.97/svc1.48x markup
G0481Drug test(s), definitive, utilizing drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (an
$549.0K
3.6K services$151.48/svc1.61x markup
U0005Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, cdc or non-cdc, making use of high throughput technologies, completed within
$272.5K
10.9K services$24.93/svc2.07x markup
G0479Drug tests(s), presumptive, any number of drug classes; any number of devices or procedures by instrumented chemistry analyzers utilizing immunoassay, enzyme assay, TOF, MALDI, LDTD, DESI, DART, GHPC, GC mass spectrometry), includes sample validation when⚠ 3.1x markup
$254.6K
5.4K services$47.26/svc3.10x markup
82542Chemical analysis using chromatography technique⚠ 3.4x markup
$135.6K
8.7K services$15.54/svc3.40x markup
83789Mass spectrometry (laboratory testing method)⚠ 3.2x markup
$135.0K
8.7K services$15.54/svc3.16x markup
87631Detection test for multiple types of respiratory virus
$121.2K
851 services$142.46/svc1.03x markup
87798Detection test for organism
$104.4K
3.0K services$35.34/svc1.39x markup
87633Detection test for multiple types of respiratory virus
$99.8K
220 services$453.83/svc1.78x markup
K1034Provision of covid-19 test, nonprescription self-administered and self-collected use, fda approved, authorized or cleared, one test count
$98.5K
8.4K services$11.76/svc1.18x markup
87640Detection test for Staphylococcus aureus (bacteria)
$92.3K
2.6K services$35.33/svc1.39x markup
84311Chemical analysis using spectrophotometry (light)⚠ 3.2x markup
$85.3K
9.2K services$9.32/svc3.20x markup
87653Detection test for Strep (Streptococcus, group B)
$70.7K
2.0K services$35.11/svc1.55x markup
84443Blood test, thyroid stimulating hormone (tsh)
$60.8K
3.7K services$16.53/svc1.55x markup
82570Creatinine level to test for kidney function or muscle injury⚠ 3.3x markup
$59.4K
9.6K services$6.16/svc3.29x markup
82306Vitamin d-3 level
$54.9K
1.9K services$29.14/svc1.56x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
G0483Drug test def 22+ classes55.6K$12.4M$223.022.01x
80307Testing for presence of drug54.1K$3.3M$61.431.78x
U0003Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r29.5K$2.6M$89.102.15x
G0482Drug test def 15-21 classes13.9K$2.6M$188.321.66x
G0480Drug test(s), definitive, utilizing drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (an9.3K$1.1M$112.971.48x
G0481Drug test(s), definitive, utilizing drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (an3.6K$549.0K$151.481.61x
U0005Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, cdc or non-cdc, making use of high throughput technologies, completed within10.9K$272.5K$24.932.07x
G0479Drug tests(s), presumptive, any number of drug classes; any number of devices or procedures by instrumented chemistry analyzers utilizing immunoassay, enzyme assay, TOF, MALDI, LDTD, DESI, DART, GHPC, GC mass spectrometry), includes sample validation when5.4K$254.6K$47.263.10x
82542Chemical analysis using chromatography technique8.7K$135.6K$15.543.40x
83789Mass spectrometry (laboratory testing method)8.7K$135.0K$15.543.16x
87631Detection test for multiple types of respiratory virus851$121.2K$142.461.03x
87798Detection test for organism3.0K$104.4K$35.341.39x
87633Detection test for multiple types of respiratory virus220$99.8K$453.831.78x
K1034Provision of covid-19 test, nonprescription self-administered and self-collected use, fda approved, authorized or cleared, one test count8.4K$98.5K$11.761.18x
87640Detection test for Staphylococcus aureus (bacteria)2.6K$92.3K$35.331.39x
84311Chemical analysis using spectrophotometry (light)9.2K$85.3K$9.323.20x
87653Detection test for Strep (Streptococcus, group B)2.0K$70.7K$35.111.55x
84443Blood test, thyroid stimulating hormone (tsh)3.7K$60.8K$16.531.55x
82570Creatinine level to test for kidney function or muscle injury9.6K$59.4K$6.163.29x
82306Vitamin d-3 level1.9K$54.9K$29.141.56x

Markup Analysis

Charge-to-Payment Ratio

1.97x

This provider submits charges 1.97 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.97x means for every $100 Medicare pays, this provider initially charges $197. This is lower than the national average.

Location

Waterford, MI

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 Clinical Laboratory providers in MI for peer comparison.

Ark Laboratory Llc (you)
$25.7M
Vpa Pc
$119.3M
Biotech Clinical Laboratories Inc
$89.7M
Orchard Laboratories Corp⚠️
$78.6M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Vpa PcTroy, MI$119.3M✓ Clear
Biotech Clinical Laboratories IncNovi, MI$89.7M✓ Clear
Orchard Laboratories CorpWest Bloomfield, MI$78.6M⚠️ 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