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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. Timothy Onyiuke
๐Ÿ”ช
MDIndividual

Timothy Onyiuke, MD

NPI: 1093102782
Lutherville, MD
6 years of data
General Surgery
$7.0M
Total Payments
14.2K
Beneficiaries
55.6K
Services
1.42x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$7.0M
Specialty median$42.2K

๐Ÿ“‹ Key Findings

1Billed $7.0M over 6 years
299th percentile in General Surgery by payments
3Payments surged 171% in 2019
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $7.0M in total Medicare payments ranks in the 99th percentile of General Surgery providers nationally.

Medicare payments to this provider grew 512% 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 171% 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$146.83$105.821.39x$41.01$307.0K2.3K678
2019$151.43$101.821.49x$49.61$833.4K6.5K1.8K
2020$153.90$106.081.45x$47.82$1.0M8.1K2.1K
2021$223.14$158.281.41x$64.86$1.3M11.3K2.9K
2022$272.75$194.621.40x$78.13$1.6M13.1K3.1K
2023$163.04$117.821.38x$45.22$1.9M14.3K3.6K

Top Procedures (17)

11044Removal of skin and bone first 20 sq cm or less
$1.5M
5.4K services$287.97/svc1.35x markup
99309Subsequent nursing facility visit, typically 25 minutes per day
$1.5M
18.3K services$84.50/svc1.35x markup
11043Removal of skin and/or muscle first 20 sq cm or less
$1.5M
7.9K services$186.03/svc1.56x markup
99310Subsequent nursing facility visit, typically 35 minutes per day
$925.2K
7.2K services$127.67/svc1.34x markup
11047Removal of skin and bone
$279.1K
2.5K services$111.16/svc1.35x markup
99306Initial nursing facility visit, typically 45 minutes per day
$234.2K
1.6K services$148.68/svc1.34x markup
99308Subsequent nursing facility visit, typically 15 minutes per day
$228.3K
3.7K services$61.93/svc1.37x markup
99305Initial nursing facility visit, typically 35 minutes per day
$211.3K
1.9K services$114.10/svc1.38x markup
11042Removal of skin and tissue first 20 sq cm or less
$191.1K
2.3K services$81.40/svc1.99x markup
11046Removal of skin and/or muscle
$113.9K
1.7K services$68.30/svc1.35x markup
99307Subsequent nursing facility visit, typically 10 minutes per day
$60.7K
1.6K services$37.70/svc1.42x markup
49450Replacement of stomach or large bowel tube, accessed through skin using fluoroscopic guidance with contrast
$47.5K
74 services$642.22/svc1.36x markup
17250Application of chemical agent to excessive wound tissue
$43.9K
721 services$60.95/svc1.72x markup
99304Initial nursing facility visit, typically 25 minutes per day
$30.2K
386 services$78.24/svc1.39x markup
11045Removal of skin and tissue
$12.1K
318 services$38.20/svc1.35x markup
49460Mechanical removal of obstructive material from stomach, large, or small bowel tube using fluoroscopic guidance
$7.8K
11 services$711.80/svc1.36x markup
10060Drainage of abscess
$1.2K
13 services$91.45/svc1.66x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
11044Removal of skin and bone first 20 sq cm or less5.4K$1.5M$287.971.35x
99309Subsequent nursing facility visit, typically 25 minutes per day18.3K$1.5M$84.501.35x
11043Removal of skin and/or muscle first 20 sq cm or less7.9K$1.5M$186.031.56x
99310Subsequent nursing facility visit, typically 35 minutes per day7.2K$925.2K$127.671.34x
11047Removal of skin and bone2.5K$279.1K$111.161.35x
99306Initial nursing facility visit, typically 45 minutes per day1.6K$234.2K$148.681.34x
99308Subsequent nursing facility visit, typically 15 minutes per day3.7K$228.3K$61.931.37x
99305Initial nursing facility visit, typically 35 minutes per day1.9K$211.3K$114.101.38x
11042Removal of skin and tissue first 20 sq cm or less2.3K$191.1K$81.401.99x
11046Removal of skin and/or muscle1.7K$113.9K$68.301.35x
99307Subsequent nursing facility visit, typically 10 minutes per day1.6K$60.7K$37.701.42x
49450Replacement of stomach or large bowel tube, accessed through skin using fluoroscopic guidance with contrast74$47.5K$642.221.36x
17250Application of chemical agent to excessive wound tissue721$43.9K$60.951.72x
99304Initial nursing facility visit, typically 25 minutes per day386$30.2K$78.241.39x
11045Removal of skin and tissue318$12.1K$38.201.35x
49460Mechanical removal of obstructive material from stomach, large, or small bowel tube using fluoroscopic guidance11$7.8K$711.801.36x
10060Drainage of abscess13$1.2K$91.451.66x

Markup Analysis

Charge-to-Payment Ratio

1.42x

This provider submits charges 1.42 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.42x means for every $100 Medicare pays, this provider initially charges $142. This is lower than the national average.

Location

Lutherville, MD

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

  • 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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