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. Gregg Klein
๐Ÿฆด
MDIndividual

Gregg Klein, MD

NPI: 1528053642
Paramus, NJ
10 years of data
Orthopedic Surgery
$5.8M
Total Payments
33.3K
Beneficiaries
40.9K
Services
12.59x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$5.8M
Specialty median$103.3K

๐Ÿ“‹ Key Findings

1Billed $5.8M over 10 years
212.59x markup ratio (above median)
399th percentile in Orthopedic Surgery by payments
418 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $5.8M in total Medicare payments ranks in the 99th percentile of Orthopedic Surgery providers nationally.

Their average markup ratio of 12.59x is significantly above the specialty median of 4.7x.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

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$8.4K$376.1822.31x$8.0K$685.7K5.2K3.8K
2015$7.1K$319.8522.07x$6.7K$579.6K4.9K3.7K
2016$6.9K$341.2120.24x$6.6K$656.2K4.3K3.5K
2017$5.3K$299.0017.68x$5.0K$651.1K4.5K3.7K
2018$7.9K$368.5921.41x$7.5K$651.4K4.3K3.6K
2019$7.1K$375.7418.86x$6.7K$605.7K4.1K3.3K
2020$1.5K$325.844.61x$1.2K$403.3K2.9K2.4K
2021$1.0K$270.673.70x$731.39$520.5K3.5K3.0K
2022$1.6K$279.765.63x$1.3K$488.6K3.5K3.0K
2023$1.5K$322.024.55x$1.1K$566.7K3.7K3.3K

Top Procedures (20)

27447Repair of knee jointโš  15.8x markup
$1.6M
1.2K services$1.3K/svc15.81x markup
27130Replacement of thigh bone and hip joint prosthesisโš  21.1x markup
$1.3M
1.1K services$1.2K/svc21.09x markup
99214Established patient office or other outpatient, visit typically 25 minutesโš  3.1x markup
$615.0K
6.8K services$90.05/svc3.12x markup
99204New patient office or other outpatient visit, typically 45 minutesโš  3.7x markup
$317.8K
2.4K services$134.33/svc3.66x markup
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuversโš  10.7x markup
$278.4K
1.9K services$145.47/svc10.66x markup
27487Revision of lower thigh bone and both shin bone components of total knee joint prosthesisโš  15.3x markup
$204.3K
133 services$1.5K/svc15.34x markup
20610Aspiration and/or injection of large joint or joint capsuleโš  7.3x markup
$202.3K
3.5K services$57.63/svc7.30x markup
J7327Hyaluronan or derivative, monovisc, for intra-articular injection, per dose
$192.4K
286 services$672.88/svc2.50x markup
99203New patient office or other outpatient visit, typically 30 minutesโš  3.7x markup
$142.8K
1.7K services$85.95/svc3.73x markup
73562X-ray of knee, 3 viewsโš  5.8x markup
$142.6K
4.5K services$31.97/svc5.79x markup
73564X-ray of knee, 4 or more viewsโš  5.2x markup
$137.8K
3.5K services$39.17/svc5.24x markup
99213Established patient office or other outpatient visit, typically 15 minutesโš  3.6x markup
$135.7K
1.9K services$70.38/svc3.63x markup
27134Revision of thigh bone and hip joint prosthesisโš  32.2x markup
$135.5K
87 services$1.6K/svc32.22x markup
73502X-ray of hip with pelvis, 2-3 viewsโš  6.4x markup
$131.8K
3.5K services$37.83/svc6.43x markup
72170X-ray of pelvis, 1 or 2 viewsโš  6.7x markup
$41.2K
1.7K services$23.94/svc6.73x markup
J7326Hyaluronan or derivative, gel-one, for intra-articular injection, per dose
$36.9K
52 services$710.42/svc1.66x markup
20985Computer-assisted surgical navigational procedure for bone proceduresโš  5.3x markup
$31.3K
244 services$128.29/svc5.34x markup
73500X-ray of hip on one side of body, 1 viewโš  7.8x markup
$28.8K
1.3K services$21.66/svc7.84x markup
73501X-ray of hip with pelvis, 1 viewโš  3.7x markup
$26.9K
948 services$28.35/svc3.72x markup
93971Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuversโš  11.8x markup
$25.9K
245 services$105.55/svc11.75x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
27447Repair of knee joint1.2K$1.6M$1.3K15.81x
27130Replacement of thigh bone and hip joint prosthesis1.1K$1.3M$1.2K21.09x
99214Established patient office or other outpatient, visit typically 25 minutes6.8K$615.0K$90.053.12x
99204New patient office or other outpatient visit, typically 45 minutes2.4K$317.8K$134.333.66x
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers1.9K$278.4K$145.4710.66x
27487Revision of lower thigh bone and both shin bone components of total knee joint prosthesis133$204.3K$1.5K15.34x
20610Aspiration and/or injection of large joint or joint capsule3.5K$202.3K$57.637.30x
J7327Hyaluronan or derivative, monovisc, for intra-articular injection, per dose286$192.4K$672.882.50x
99203New patient office or other outpatient visit, typically 30 minutes1.7K$142.8K$85.953.73x
73562X-ray of knee, 3 views4.5K$142.6K$31.975.79x
73564X-ray of knee, 4 or more views3.5K$137.8K$39.175.24x
99213Established patient office or other outpatient visit, typically 15 minutes1.9K$135.7K$70.383.63x
27134Revision of thigh bone and hip joint prosthesis87$135.5K$1.6K32.22x
73502X-ray of hip with pelvis, 2-3 views3.5K$131.8K$37.836.43x
72170X-ray of pelvis, 1 or 2 views1.7K$41.2K$23.946.73x
J7326Hyaluronan or derivative, gel-one, for intra-articular injection, per dose52$36.9K$710.421.66x
20985Computer-assisted surgical navigational procedure for bone procedures244$31.3K$128.295.34x
73500X-ray of hip on one side of body, 1 view1.3K$28.8K$21.667.84x
73501X-ray of hip with pelvis, 1 view948$26.9K$28.353.72x
93971Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers245$25.9K$105.5511.75x

Markup Analysis

Charge-to-Payment Ratio

12.59x

This provider submits charges 12.59 times higher than what Medicare actually pays.

What This Means

A markup ratio of 12.59x means for every $100 Medicare pays, this provider initially charges $1259. This is higher than the national average.

Location

Paramus, NJ

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 NJ โ†’
Specialty
All Orthopedic Surgery 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