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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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Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. David Ziemba
๐Ÿฉบ
MDIndividual

David Ziemba, MD

NPI: 1386646289
Brooklyn, NY
10 years of data
Internal Medicine
$4.9M
Total Payments
78.2K
Beneficiaries
104.2K
Services
1.69x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$4.9M
Specialty median$84.0K

๐Ÿ“‹ Key Findings

1Billed $4.9M over 10 years
21.69x markup ratio
399th percentile in Internal Medicine by payments
42 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.9M in total Medicare payments ranks in the 99th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 128% 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

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$68.49$38.471.78x$30.02$296.3K7.7K5.3K
2015$81.40$48.981.66x$32.42$375.2K8.7K6.0K
2016$82.51$47.751.73x$34.76$383.5K9.1K6.5K
2017$92.42$54.501.70x$37.92$405.1K9.5K7.2K
2018$92.79$57.201.62x$35.59$460.1K10.6K8.0K
2019$87.86$55.761.58x$32.10$466.5K10.7K8.3K
2020$93.60$60.601.54x$33.00$520.1K11.6K9.1K
2021$93.68$63.671.47x$30.01$618.3K11.8K9.0K
2022$99.43$67.181.48x$32.25$683.2K12.2K9.2K
2023$97.79$66.251.48x$31.54$675.6K12.3K9.4K

Top Procedures (20)

99213Established patient office or other outpatient visit, typically 15 minutes
$1.2M
19.3K services$63.94/svc1.57x markup
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
$884.1K
6.3K services$141.30/svc1.56x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$568.1K
5.7K services$99.31/svc1.56x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$234.2K
5.4K services$43.20/svc1.51x markup
G0438Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
$221.1K
1.1K services$194.13/svc1.29x markup
G0446Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes
$193.1K
6.4K services$30.39/svc1.97x markup
90682Vaccine for influenza for injection into muscle
$157.0K
2.6K services$60.56/svc1.40x markup
G0008Administration of influenza virus vaccine
$148.0K
5.5K services$26.84/svc1.38x markup
90670Pneumococcal vaccine for injection into muscle
$143.7K
784 services$183.31/svc1.26x markup
76775Ultrasound behind abdominal cavity, limitedโš  3.3x markup
$136.2K
2.7K services$49.71/svc3.32x markup
G0444Annual depression screening, 15 minutes
$119.5K
5.6K services$21.54/svc2.79x markup
93000Routine EKG using at least 12 leads including interpretation and report
$110.5K
8.2K services$13.46/svc2.99x markup
90677Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
$73.7K
264 services$279.27/svc1.28x markup
90732Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older
$62.9K
591 services$106.39/svc1.11x markup
99203New patient office or other outpatient visit, typically 30 minutes
$55.2K
632 services$87.41/svc1.62x markup
36415Insertion of needle into vein for collection of blood sampleโš  4.1x markup
$52.9K
14.4K services$3.68/svc4.06x markup
99211Established patient office or other outpatient visit, typically 5 minutes
$52.1K
2.7K services$19.24/svc2.04x markup
G0009Administration of pneumococcal vaccine
$44.8K
1.6K services$27.29/svc1.49x markup
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge
$43.7K
184 services$237.39/svc1.36x markup
99204New patient office or other outpatient visit, typically 45 minutes
$39.4K
274 services$143.67/svc1.43x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Established patient office or other outpatient visit, typically 15 minutes19.3K$1.2M$63.941.57x
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit6.3K$884.1K$141.301.56x
99214Established patient office or other outpatient, visit typically 25 minutes5.7K$568.1K$99.311.56x
99212Established patient office or other outpatient visit, typically 10 minutes5.4K$234.2K$43.201.51x
G0438Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit1.1K$221.1K$194.131.29x
G0446Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes6.4K$193.1K$30.391.97x
90682Vaccine for influenza for injection into muscle2.6K$157.0K$60.561.40x
G0008Administration of influenza virus vaccine5.5K$148.0K$26.841.38x
90670Pneumococcal vaccine for injection into muscle784$143.7K$183.311.26x
76775Ultrasound behind abdominal cavity, limited2.7K$136.2K$49.713.32x
G0444Annual depression screening, 15 minutes5.6K$119.5K$21.542.79x
93000Routine EKG using at least 12 leads including interpretation and report8.2K$110.5K$13.462.99x
90677Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use264$73.7K$279.271.28x
90732Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older591$62.9K$106.391.11x
99203New patient office or other outpatient visit, typically 30 minutes632$55.2K$87.411.62x
36415Insertion of needle into vein for collection of blood sample14.4K$52.9K$3.684.06x
99211Established patient office or other outpatient visit, typically 5 minutes2.7K$52.1K$19.242.04x
G0009Administration of pneumococcal vaccine1.6K$44.8K$27.291.49x
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge184$43.7K$237.391.36x
99204New patient office or other outpatient visit, typically 45 minutes274$39.4K$143.671.43x

Markup Analysis

Charge-to-Payment Ratio

1.69x

This provider submits charges 1.69 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.69x means for every $100 Medicare pays, this provider initially charges $169. This is lower than the national average.

Location

Brooklyn, 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

  • 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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