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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. Global Diagnostic Lab Inc
๐Ÿ”ฌ
Organization

Global Diagnostic Lab Inc

NPI: 1225554843
Pasadena, CA
6 years of data
Clinical Laboratory
$26.6M
Total Payments
77
Beneficiaries
534.7K
Services
1.4x
Markup Ratio

Peer Comparison

96th
percentile in specialty
This provider$26.6M
Specialty median$1.9M

๐Ÿ“‹ Key Findings

1Billed $26.6M over 6 years
296th percentile in Clinical Laboratory by payments
3Payments surged 227% in 2019
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $26.6M in total Medicare payments ranks in the 96th percentile of Clinical Laboratory providers nationally.

Medicare payments to this provider grew 961% from 2018 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 227% in 2019

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
2018$287.98$182.731.58x$105.25$739.5K4.0K5
2019$141.37$90.591.56x$50.78$2.4M26.7K10
2020$79.38$53.321.49x$26.06$3.1M57.5K12
2021$73.88$51.291.44x$22.59$4.3M83.7K14
2022$60.45$45.231.34x$15.22$8.2M182.2K19
2023$57.97$43.411.34x$14.56$7.8M180.7K17

Top Procedures (20)

87798Detection test by nucleic acid for organism, amplified probe technique
$11.9M
340.5K services$34.82/svc1.36x 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
$3.3M
13.4K services$244.17/svc1.21x markup
87507Detection test by nucleic acid for digestive tract pathogen, multiple types or subtypes, 12-25 targets
$1.4M
3.4K services$408.86/svc1.53x markup
87631Detection test by nucleic acid for multiple types of respiratory virus, multiple types or subtypes, 3-5 targets
$1.3M
9.1K services$141.61/svc1.17x markup
87633Detection test for multiple types of respiratory virus
$1.1M
2.4K services$471.04/svc1.21x markup
87481Detection test for candida species (yeast), amplified probe technique
$948.3K
27.4K services$34.67/svc1.41x markup
87651Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique
$852.7K
24.5K services$34.78/svc1.31x markup
87640Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique
$852.1K
24.5K services$34.78/svc1.33x markup
81226Gene analysis (cytochrome p450, family 2, subfamily d, polypeptide 6) common variants
$830.0K
1.9K services$446.23/svc2.97x markup
87486Detection test by nucleic acid for chlamydia pneumoniae, amplified probe technique
$636.5K
18.0K services$35.40/svc1.28x markup
87581Detection test by nucleic acid for mycoplasma pneumoniae (bacteria), amplified probe technique
$636.5K
18.0K services$35.39/svc1.28x markup
81225Gene analysis (cytochrome p450, family 2, subfamily c, polypeptide 19) common variants
$537.6K
1.9K services$287.51/svc2.98x markup
87541Detection test by nucleic acid for legionella pneumophila (water borne bacteria), amplified probe technique
$535.0K
15.4K services$34.79/svc1.27x markup
87502Detection test by nucleic acid for multiple types influenza virus
$345.3K
4.7K services$73.75/svc1.02x markup
87529Detection test by nucleic acid for herpes simplex virus, amplified probe technique
$338.5K
9.8K services$34.54/svc1.17x markup
87634Detection test by nucleic acid for respiratory syncytial virus, amplified probe technique
$326.9K
4.7K services$69.05/svc1.09x markup
87551Detection test by nucleic acid for mycobacteria species (bacteria), amplified probe technique
$191.5K
4.1K services$46.83/svc1.02x markup
0097UTest for detection of gastrointestinal disease-causing organism using amplified probe
$190.8K
528 services$361.36/svc1.51x markup
87498Detection test by nucleic acid for enterovirus (intestinal virus), amplified probe technique
$171.9K
5.0K services$34.54/svc1.16x markup
87561Detection test by nucleic acid for mycobacteria avium-intracellulare (bacteria), amplified probe technique
$140.5K
4.1K services$34.40/svc1.39x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
87798Detection test by nucleic acid for organism, amplified probe technique340.5K$11.9M$34.821.36x
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/ms13.4K$3.3M$244.171.21x
87507Detection test by nucleic acid for digestive tract pathogen, multiple types or subtypes, 12-25 targets3.4K$1.4M$408.861.53x
87631Detection test by nucleic acid for multiple types of respiratory virus, multiple types or subtypes, 3-5 targets9.1K$1.3M$141.611.17x
87633Detection test for multiple types of respiratory virus2.4K$1.1M$471.041.21x
87481Detection test for candida species (yeast), amplified probe technique27.4K$948.3K$34.671.41x
87651Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique24.5K$852.7K$34.781.31x
87640Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique24.5K$852.1K$34.781.33x
81226Gene analysis (cytochrome p450, family 2, subfamily d, polypeptide 6) common variants1.9K$830.0K$446.232.97x
87486Detection test by nucleic acid for chlamydia pneumoniae, amplified probe technique18.0K$636.5K$35.401.28x
87581Detection test by nucleic acid for mycoplasma pneumoniae (bacteria), amplified probe technique18.0K$636.5K$35.391.28x
81225Gene analysis (cytochrome p450, family 2, subfamily c, polypeptide 19) common variants1.9K$537.6K$287.512.98x
87541Detection test by nucleic acid for legionella pneumophila (water borne bacteria), amplified probe technique15.4K$535.0K$34.791.27x
87502Detection test by nucleic acid for multiple types influenza virus4.7K$345.3K$73.751.02x
87529Detection test by nucleic acid for herpes simplex virus, amplified probe technique9.8K$338.5K$34.541.17x
87634Detection test by nucleic acid for respiratory syncytial virus, amplified probe technique4.7K$326.9K$69.051.09x
87551Detection test by nucleic acid for mycobacteria species (bacteria), amplified probe technique4.1K$191.5K$46.831.02x
0097UTest for detection of gastrointestinal disease-causing organism using amplified probe528$190.8K$361.361.51x
87498Detection test by nucleic acid for enterovirus (intestinal virus), amplified probe technique5.0K$171.9K$34.541.16x
87561Detection test by nucleic acid for mycobacteria avium-intracellulare (bacteria), amplified probe technique4.1K$140.5K$34.401.39x

Markup Analysis

Charge-to-Payment Ratio

1.4x

This provider submits charges 1.4 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.4x means for every $100 Medicare pays, this provider initially charges $140. This is lower than the national average.

Location

Pasadena, 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.

Global Diagnostic Lab Inc (you)
$26.6M
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.

Believe this data is inaccurate? Dispute this data