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Methodology•Download Data
  1. Home
  2. Providers
  3. Barry Gruber
⚕️
MDIndividual

Barry Gruber, M.D.

NPI: 1710912431
Babylon, NY
10 years of data
Rheumatology
$33.9M
Total Payments
308
Beneficiaries
2.9M
Services
3.58x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$33.9M
Specialty median$352.6K
Rank #30 of 32 in specialty

📋 Key Findings

1Billed $33.9M over 10 years
23.58x markup ratio (above median)
399th percentile in Rheumatology by payments
41.1K services/day — physically implausible
513 procedures with >3x markup

⚠️ This provider averages 1.1K services per working day — physically unusual for an individual practitioner

Based on 2.9M total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $33.9M in total Medicare payments ranks in the 99th percentile of Rheumatology providers nationally.

Averaging 1.1K services per working day raises questions about billing patterns.

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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$39.13$9.943.94x$29.19$2.3M231.5K31
2015$42.32$11.213.78x$31.11$2.8M250.9K37
2016$45.38$12.083.76x$33.30$2.8M229.0K33
2017$43.39$12.383.50x$31.01$3.4M274.3K31
2018$45.87$12.853.57x$33.02$3.5M273.9K29
2019$48.72$13.303.66x$35.42$3.8M286.6K29
2020$46.11$13.153.51x$32.96$3.9M299.5K32
2021$43.04$12.233.52x$30.81$4.1M336.7K29
2022$38.26$10.723.57x$27.54$4.1M386.5K30
2023$32.47$10.283.16x$22.19$3.1M300.7K27

Top Procedures (20)

J0897Injection, denosumab, 1 mg⚠ 3.8x markup
$11.2M
767.8K services$14.55/svc3.78x markup
J0129Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)⚠ 3.4x markup
$4.3M
118.1K services$36.12/svc3.40x markup
J0717Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)⚠ 4.6x markup
$4.2M
763.2K services$5.45/svc4.59x markup
J3262Injection, tocilizumab, 1 mg
$3.1M
819.2K services$3.73/svc2.68x markup
J1745Injection, infliximab, excludes biosimilar, 10 mg⚠ 3.2x markup
$2.9M
54.8K services$52.07/svc3.17x markup
99214Established patient office or other outpatient visit, 30-39 minutes⚠ 3.1x markup
$2.0M
20.8K services$97.83/svc3.07x markup
J3111Injection, romosozumab-aqqg, 1 mg
$1.4M
186.5K services$7.61/svc1.88x markup
96413Administration of chemotherapy into vein, 1 hour or less⚠ 3.0x markup
$590.9K
4.5K services$132.43/svc3.02x markup
J1602Injection, golimumab, 1 mg, for intravenous use⚠ 4.9x markup
$459.9K
30.3K services$15.20/svc4.93x markup
99213Established patient office or other outpatient visit, 20-29 minutes⚠ 3.3x markup
$428.3K
7.0K services$61.20/svc3.27x markup
J9310Injection, rituximab, 100 mg
$396.3K
582 services$681.00/svc2.69x markup
J9312Injection, rituximab, 10 mg
$390.8K
5.3K services$74.44/svc2.69x markup
99204New patient office or other outpatient visit, 45-59 minutes
$372.2K
2.6K services$145.45/svc2.75x markup
77080Dxa bone density measurement of hip, pelvis, spine⚠ 7.2x markup
$342.2K
7.0K services$48.88/svc7.16x markup
96401Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle
$333.9K
4.8K services$69.80/svc2.87x markup
20611Aspiration and/or injection of fluid large joint using ultrasound guidance⚠ 5.1x markup
$302.5K
3.4K services$87.74/svc5.13x markup
J3304Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg⚠ 4.4x markup
$215.3K
15.3K services$14.08/svc4.44x markup
96372Injection of drug or substance under skin or into muscle⚠ 3.8x markup
$213.5K
13.6K services$15.64/svc3.84x markup
77085Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment⚠ 5.4x markup
$125.8K
2.0K services$64.10/svc5.41x markup
J7323Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose
$107.7K
968 services$111.28/svc2.94x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0897Injection, denosumab, 1 mg767.8K$11.2M$14.553.78x
J0129Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)118.1K$4.3M$36.123.40x
J0717Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)763.2K$4.2M$5.454.59x
J3262Injection, tocilizumab, 1 mg819.2K$3.1M$3.732.68x
J1745Injection, infliximab, excludes biosimilar, 10 mg54.8K$2.9M$52.073.17x
99214Established patient office or other outpatient visit, 30-39 minutes20.8K$2.0M$97.833.07x
J3111Injection, romosozumab-aqqg, 1 mg186.5K$1.4M$7.611.88x
96413Administration of chemotherapy into vein, 1 hour or less4.5K$590.9K$132.433.02x
J1602Injection, golimumab, 1 mg, for intravenous use30.3K$459.9K$15.204.93x
99213Established patient office or other outpatient visit, 20-29 minutes7.0K$428.3K$61.203.27x
J9310Injection, rituximab, 100 mg582$396.3K$681.002.69x
J9312Injection, rituximab, 10 mg5.3K$390.8K$74.442.69x
99204New patient office or other outpatient visit, 45-59 minutes2.6K$372.2K$145.452.75x
77080Dxa bone density measurement of hip, pelvis, spine7.0K$342.2K$48.887.16x
96401Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle4.8K$333.9K$69.802.87x
20611Aspiration and/or injection of fluid large joint using ultrasound guidance3.4K$302.5K$87.745.13x
J3304Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg15.3K$215.3K$14.084.44x
96372Injection of drug or substance under skin or into muscle13.6K$213.5K$15.643.84x
77085Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment2.0K$125.8K$64.105.41x
J7323Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose968$107.7K$111.282.94x

Markup Analysis

Charge-to-Payment Ratio

3.58x

This provider submits charges 3.58 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.58x means for every $100 Medicare pays, this provider initially charges $358. This is higher than the national average.

Location

Babylon, NY

Provider Verification

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

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Data Sources

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • 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