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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. Weijian Zhu
๐Ÿ”ฌ
MDIndividual

Weijian Zhu, MD

NPI: 1134138530
Marietta, GA
10 years of data
Pathology
$5.6M
Total Payments
95.5K
Beneficiaries
99.6K
Services
4.54x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$5.6M
Specialty median$84.1K

๐Ÿ“‹ Key Findings

1Billed $5.6M over 10 years
24.54x markup ratio (above median)
399th percentile in Pathology by payments
4Payments surged 160% in 2020
511 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $5.6M in total Medicare payments ranks in the 99th percentile of Pathology providers nationally.

Medicare payments to this provider grew 1609% 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 160% in 2020

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$140.56$24.495.74x$116.07$75.7K1.9K1.7K
2015$273.58$56.214.87x$217.37$194.8K3.6K3.4K
2016$261.16$52.454.98x$208.71$243.7K4.6K4.3K
2017$361.15$53.356.77x$307.80$217.2K4.3K4.0K
2018$280.31$49.775.63x$230.54$313.8K6.7K6.2K
2019$267.16$50.645.28x$216.52$289.4K6.2K5.9K
2020$253.43$57.304.42x$196.13$751.5K13.5K13.1K
2021$181.57$57.103.18x$124.47$1.1M19.4K18.8K
2022$170.49$51.813.29x$118.68$1.1M17.8K17.3K
2023$166.03$51.693.21x$114.34$1.3M21.4K20.8K

Top Procedures (12)

88305Pathology examination of tissue using a microscope, intermediate complexityโš  5.5x markup
$3.0M
62.6K services$48.48/svc5.50x markup
88312Special stained specimen slides to identify organisms including interpretation and reportโš  3.1x markup
$1.4M
16.9K services$81.10/svc3.15x markup
88342Tissue or cell analysis by immunologic techniqueโš  3.4x markup
$569.2K
9.4K services$60.74/svc3.35x markup
88313Special stained specimen slides to examine tissue including interpretation and reportโš  3.0x markup
$230.8K
4.0K services$57.96/svc3.01x markup
88341Special stained specimen slides to examine tissue
$156.3K
2.6K services$59.42/svc1.60x markup
G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any methodโš  6.5x markup
$146.1K
1.1K services$136.46/svc6.48x markup
88112Cell examination of specimenโš  8.5x markup
$33.4K
1.6K services$21.10/svc8.54x markup
88344Special stained specimen slides to examine tissueโš  6.4x markup
$31.6K
1.0K services$30.61/svc6.40x markup
88302Pathology examination of tissue using a microscopeโš  4.0x markup
$5.3K
222 services$23.78/svc3.95x markup
G0461Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stainโš  5.1x markup
$2.9K
123 services$23.42/svc5.12x markup
88300Pathology examination of tissue using a microscope, limited examinationโš  3.6x markup
$678.05
60 services$11.30/svc3.60x markup
G0462Immunohistochemistry or immunocytochemistry, per specimen; each additional single or multiplex antibody stain (list separately in addition to code for primary procedure)โš  12.6x markup
$114.34
12 services$9.53/svc12.59x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
88305Pathology examination of tissue using a microscope, intermediate complexity62.6K$3.0M$48.485.50x
88312Special stained specimen slides to identify organisms including interpretation and report16.9K$1.4M$81.103.15x
88342Tissue or cell analysis by immunologic technique9.4K$569.2K$60.743.35x
88313Special stained specimen slides to examine tissue including interpretation and report4.0K$230.8K$57.963.01x
88341Special stained specimen slides to examine tissue2.6K$156.3K$59.421.60x
G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method1.1K$146.1K$136.466.48x
88112Cell examination of specimen1.6K$33.4K$21.108.54x
88344Special stained specimen slides to examine tissue1.0K$31.6K$30.616.40x
88302Pathology examination of tissue using a microscope222$5.3K$23.783.95x
G0461Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stain123$2.9K$23.425.12x
88300Pathology examination of tissue using a microscope, limited examination60$678.05$11.303.60x
G0462Immunohistochemistry or immunocytochemistry, per specimen; each additional single or multiplex antibody stain (list separately in addition to code for primary procedure)12$114.34$9.5312.59x

Markup Analysis

Charge-to-Payment Ratio

4.54x

This provider submits charges 4.54 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.54x means for every $100 Medicare pays, this provider initially charges $454. This is higher than the national average.

Location

Marietta, GA

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 Pathology providers in GA for peer comparison.

Weijian Zhu (you)
$5.6M
Scott Acker, MD
$50.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Scott Acker, MDAlpharetta, GA$50.6Mโœ“ 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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