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

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. G & M Labtesting Inc
๐Ÿ”ฌ
Organization

G & M Labtesting Inc

NPI: 1457036014
Tujunga, CA
1 year of data
Clinical Laboratory
$3.9M
Total Payments
8
Beneficiaries
86.4K
Services
2.03x
Markup Ratio

Peer Comparison

75th
percentile in specialty
This provider$3.9M
Specialty median$1.9M

๐Ÿ“‹ Key Findings

1Billed $3.9M over 1 year
22.03x markup ratio (above median)
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.9M in total Medicare payments ranks in the 75th percentile of Clinical Laboratory providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

AI-generated analysis based on Medicare payment data.

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
2023$90.74$44.602.03x$46.14$3.9M86.4K8

Top Procedures (16)

87798Detection test by nucleic acid for organism, amplified probe technique
$1.8M
53.6K services$34.39/svc2.04x markup
87507Detection test by nucleic acid for digestive tract pathogen, multiple types or subtypes, 12-25 targets
$502.0K
1.2K services$408.44/svc2.04x markup
G0483Drug test(s), definitive, utilizing (1) 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
$292.1K
1.2K services$241.98/svc2.02x markup
87481Detection test for candida species (yeast), amplified probe technique
$205.0K
6.0K services$34.39/svc2.04x markup
87651Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique
$126.3K
3.7K services$34.39/svc2.04x markup
87640Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique
$124.6K
3.6K services$34.39/svc2.04x markup
87502Detection test by nucleic acid for multiple types influenza virus
$114.2K
1.2K services$93.88/svc2.02x markup
87801Detection test by nucleic acid for multiple organisms, amplified probe(s) technique
$84.6K
1.2K services$68.80/svc2.03x markup
87529Detection test by nucleic acid for herpes simplex virus, amplified probe technique
$83.6K
2.4K services$34.39/svc2.04x markup
87486Detection test by nucleic acid for chlamydia pneumoniae, amplified probe technique
$83.2K
2.4K services$34.39/svc2.04x markup
87541Detection test by nucleic acid for legionella pneumophila (water borne bacteria), amplified probe technique
$83.2K
2.4K services$34.37/svc2.04x markup
87581Detection test by nucleic acid for mycoplasma pneumoniae (bacteria), amplified probe technique
$83.1K
2.4K services$34.37/svc2.04x markup
87634Detection test by nucleic acid for respiratory syncytial virus, amplified probe technique
$82.0K
1.2K services$68.80/svc2.03x markup
87551Detection test by nucleic acid for mycobacteria species (bacteria), amplified probe technique
$59.0K
1.2K services$47.28/svc2.03x markup
87561Detection test by nucleic acid for mycobacteria avium-intracellulare (bacteria), amplified probe technique
$42.9K
1.2K services$34.39/svc2.04x markup
87498Detection test by nucleic acid for enterovirus (intestinal virus), amplified probe technique
$41.8K
1.2K services$34.39/svc2.04x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
87798Detection test by nucleic acid for organism, amplified probe technique53.6K$1.8M$34.392.04x
87507Detection test by nucleic acid for digestive tract pathogen, multiple types or subtypes, 12-25 targets1.2K$502.0K$408.442.04x
G0483Drug test(s), definitive, utilizing (1) 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/ms1.2K$292.1K$241.982.02x
87481Detection test for candida species (yeast), amplified probe technique6.0K$205.0K$34.392.04x
87651Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique3.7K$126.3K$34.392.04x
87640Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique3.6K$124.6K$34.392.04x
87502Detection test by nucleic acid for multiple types influenza virus1.2K$114.2K$93.882.02x
87801Detection test by nucleic acid for multiple organisms, amplified probe(s) technique1.2K$84.6K$68.802.03x
87529Detection test by nucleic acid for herpes simplex virus, amplified probe technique2.4K$83.6K$34.392.04x
87486Detection test by nucleic acid for chlamydia pneumoniae, amplified probe technique2.4K$83.2K$34.392.04x
87541Detection test by nucleic acid for legionella pneumophila (water borne bacteria), amplified probe technique2.4K$83.2K$34.372.04x
87581Detection test by nucleic acid for mycoplasma pneumoniae (bacteria), amplified probe technique2.4K$83.1K$34.372.04x
87634Detection test by nucleic acid for respiratory syncytial virus, amplified probe technique1.2K$82.0K$68.802.03x
87551Detection test by nucleic acid for mycobacteria species (bacteria), amplified probe technique1.2K$59.0K$47.282.03x
87561Detection test by nucleic acid for mycobacteria avium-intracellulare (bacteria), amplified probe technique1.2K$42.9K$34.392.04x
87498Detection test by nucleic acid for enterovirus (intestinal virus), amplified probe technique1.2K$41.8K$34.392.04x

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

Tujunga, 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 Clinical Laboratory providers in CA for peer comparison.

G & M Labtesting Inc (you)
$3.9M
Genomic Health, Inc.
$887.6M
Unilab Corporationโš ๏ธ
$868.8M
Caredx Inc.
$751.0M
Laboratory Corporation Of Americaโš ๏ธ
$592.4M
Millennium Health, Llc
$587.9M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Genomic Health, Inc.Redwood City, CA$887.6Mโœ“ Clear
Unilab CorporationWest Hills, CA$868.8Mโš ๏ธ Flagged
Caredx Inc.Brisbane, CA$751.0Mโœ“ Clear
Laboratory Corporation Of AmericaSan Diego, CA$592.4Mโš ๏ธ Flagged
Millennium Health, LlcSan Diego, CA$587.9Mโœ“ Clear

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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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