OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
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. Zhiming Yang
๐Ÿ”ฌ
MDIndividual

Zhiming Yang, MD, PHD

NPI: 1992051437
Allentown, PA
6 years of data
Pathology
$6.4M
Total Payments
84
Beneficiaries
139.9K
Services
2.82x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$6.4M
Specialty median$84.1K

๐Ÿ“‹ Key Findings

1Billed $6.4M over 6 years
22.82x markup ratio (above median)
399th percentile in Pathology by payments
493 services/day โ€” unusually high
5Payments surged 1088% in 2021
66 procedures with >3x markup

This provider averages 93 services per working day

Based on 139.9K total services over 6 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $6.4M in total Medicare payments ranks in the 99th percentile of Pathology providers nationally.

Averaging 93 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 49119% 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 1088% in 2021

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$476.86$44.3410.75x$432.52$9.0K2044
2019$311.26$51.766.01x$259.50$30.4K5879
2020$186.46$39.334.74x$147.13$24.3K6188
2021$409.37$125.493.26x$283.88$288.6K2.3K17
2022$213.89$71.133.01x$142.76$1.6M22.0K19
2023$104.08$38.982.67x$65.10$4.5M114.2K27

Top Procedures (20)

87798Detection test by nucleic acid for organism, amplified probe technique
$1.7M
49.1K services$34.39/svc2.30x markup
88121Cell examination of urine, computer-assisted
$1.3M
3.6K services$372.09/svc2.80x markup
88112Cell examination of specimen, selective cellular enhancement techniqueโš  4.4x markup
$453.9K
8.3K services$54.44/svc4.42x markup
G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any methodโš  4.6x markup
$433.9K
1.5K services$296.80/svc4.61x markup
87150Identification of organisms by genetic analysis, amplified probe technique
$251.7K
7.3K services$34.39/svc1.40x markup
88341Special stained specimen slides to examine tissue, each additional procedure
$197.5K
2.9K services$68.40/svc2.62x markup
88344Special stained specimen slides to examine tissue, each multiplex procedure
$196.9K
1.4K services$140.25/svc2.41x markup
87801Detection test by nucleic acid for multiple organisms, amplified probe(s) technique
$158.3K
2.3K services$68.80/svc1.16x markup
87556Detection test by nucleic acid for mycobacteria tuberculosis (tb bacteria), amplified probe technique
$156.9K
3.8K services$40.83/svc2.08x markup
88120Cell examination of urine, manual
$139.9K
263 services$532.12/svc2.44x markup
87563Detection of mycoplasma genitalium by dna or rna probe
$132.2K
3.8K services$34.38/svc2.27x markup
87640Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique
$132.1K
3.8K services$34.38/svc2.30x markup
87651Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique
$132.1K
3.8K services$34.38/svc2.30x markup
87653Detection test by nucleic acid for strep (streptococcus, group b), amplified probe technique
$132.1K
3.8K services$34.38/svc2.30x markup
87481Detection test for candida species (yeast), amplified probe technique
$131.5K
3.8K services$34.38/svc2.32x markup
88342Special stained specimen slides to examine tissue, initial procedure
$131.3K
1.6K services$81.03/svc2.75x markup
84153Psa (prostate specific antigen) measurement, totalโš  3.9x markup
$104.1K
5.8K services$18.01/svc3.85x markup
88305Pathology examination of tissue using a microscope, intermediate complexityโš  4.1x markup
$78.2K
1.8K services$43.63/svc4.13x markup
87086Bacterial colony count, urineโš  3.8x markup
$74.0K
9.4K services$7.91/svc3.79x markup
87186Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilutionโš  5.3x markup
$68.5K
8.1K services$8.47/svc5.31x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
87798Detection test by nucleic acid for organism, amplified probe technique49.1K$1.7M$34.392.30x
88121Cell examination of urine, computer-assisted3.6K$1.3M$372.092.80x
88112Cell examination of specimen, selective cellular enhancement technique8.3K$453.9K$54.444.42x
G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method1.5K$433.9K$296.804.61x
87150Identification of organisms by genetic analysis, amplified probe technique7.3K$251.7K$34.391.40x
88341Special stained specimen slides to examine tissue, each additional procedure2.9K$197.5K$68.402.62x
88344Special stained specimen slides to examine tissue, each multiplex procedure1.4K$196.9K$140.252.41x
87801Detection test by nucleic acid for multiple organisms, amplified probe(s) technique2.3K$158.3K$68.801.16x
87556Detection test by nucleic acid for mycobacteria tuberculosis (tb bacteria), amplified probe technique3.8K$156.9K$40.832.08x
88120Cell examination of urine, manual263$139.9K$532.122.44x
87563Detection of mycoplasma genitalium by dna or rna probe3.8K$132.2K$34.382.27x
87640Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique3.8K$132.1K$34.382.30x
87651Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique3.8K$132.1K$34.382.30x
87653Detection test by nucleic acid for strep (streptococcus, group b), amplified probe technique3.8K$132.1K$34.382.30x
87481Detection test for candida species (yeast), amplified probe technique3.8K$131.5K$34.382.32x
88342Special stained specimen slides to examine tissue, initial procedure1.6K$131.3K$81.032.75x
84153Psa (prostate specific antigen) measurement, total5.8K$104.1K$18.013.85x
88305Pathology examination of tissue using a microscope, intermediate complexity1.8K$78.2K$43.634.13x
87086Bacterial colony count, urine9.4K$74.0K$7.913.79x
87186Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution8.1K$68.5K$8.475.31x

Markup Analysis

Charge-to-Payment Ratio

2.82x

This provider submits charges 2.82 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.82x means for every $100 Medicare pays, this provider initially charges $282. This is higher than the national average.

Location

Allentown, PA

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Related

Browse
โ† Back to Provider Directory
State
All providers in PA โ†’
Specialty
All Pathology providers โ†’
Tool
Compare this provider โ†’
Analysis
Fraud Watchlist โ†’
Search
Search all providers โ†’

Share This Provider

Share this provider's Medicare payment information

Share:

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