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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. Zachary Cooper
๐Ÿงด
MDIndividual

Zachary Cooper, M.D.

NPI: 1659309904
Sonora, CA
10 years of data
Dermatology
$8.7M
Total Payments
70.6K
Beneficiaries
95.9K
Services
2.13x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$8.7M
Specialty median$212.7K

๐Ÿ“‹ Key Findings

1Billed $8.7M over 10 years
22.13x markup ratio (above median)
399th percentile in Dermatology by payments
44 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $8.7M in total Medicare payments ranks in the 99th percentile of Dermatology providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

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$307.95$163.691.88x$144.26$897.5K10.7K8.2K
2015$311.36$166.101.87x$145.26$893.8K10.4K7.8K
2016$274.31$144.091.90x$130.22$826.7K9.8K7.4K
2017$294.91$154.091.91x$140.82$733.9K8.3K6.4K
2018$307.78$156.451.97x$151.33$739.0K8.0K5.9K
2019$301.31$157.061.92x$144.25$761.7K8.8K6.6K
2020$302.97$158.041.92x$144.93$885.4K9.8K7.3K
2021$299.65$161.171.86x$138.48$945.6K9.6K7.0K
2022$319.88$166.171.93x$153.71$945.0K9.7K6.8K
2023$349.90$186.201.88x$163.70$1.0M10.7K7.2K

Top Procedures (20)

17004Destruction of 15 or more skin growths
$2.8M
23.4K services$118.02/svc2.71x markup
17311Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals (first stage, up to 5 tissue blocks)
$1.1M
2.4K services$477.11/svc1.61x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$860.2K
15.6K services$54.98/svc1.78x markup
17110Destruction of up to 14 skin growths
$559.0K
6.4K services$87.99/svc1.47x markup
17000Destruction of skin growth
$554.7K
13.5K services$41.02/svc2.61x markup
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals
$450.2K
1.3K services$333.73/svc1.40x markup
15260Relocation of patient skin to nose, ears, eyelids, and/or lips (20 sq centimeters or less)
$422.4K
504 services$838.06/svc1.53x markup
12032Repair of wound (2.6 to 7.5 centimeters) of the scalp, underarms, trunk, arms, and/or legs
$393.5K
1.6K services$243.08/svc1.48x markup
11100Biopsy of single growth of skin and/or tissue
$337.8K
4.8K services$69.96/svc1.89x markup
11102Tangential biopsy of single skin lesion
$268.3K
3.5K services$77.69/svc1.79x markup
12052Repair of wound (2.6 to 5.0 centimeters) of face, ears, eyelids, nose, lips, and/or mouthโš  3.0x markup
$189.5K
1.4K services$131.02/svc3.02x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$113.4K
3.7K services$30.39/svc2.28x markup
11602Removal of malignant growth (1.1 to 2.0 centimeters) of the trunk, arms, or legsโš  3.1x markup
$89.2K
891 services$100.11/svc3.08x markup
12042Repair of wound (2.6 to 7.5 centimeters) of neck, hands, feet, and/or genitals
$80.1K
349 services$229.49/svc1.68x markup
17003Destruction of 2-14 skin growthsโš  3.2x markup
$59.2K
11.9K services$4.99/svc3.21x markup
69100Biopsy of ear
$53.6K
778 services$68.83/svc2.22x markup
11603Removal of malignant growth (2.1 to 3.0 centimeters) of the trunk, arms, or legs
$47.6K
417 services$114.15/svc2.97x markup
99203New patient office or other outpatient visit, typically 30 minutes
$47.0K
665 services$70.65/svc2.18x markup
11622Removal of malignant growth (1.1 to 2.0 centimeters) of the scalp, neck, hands, feet, or genitalsโš  3.2x markup
$46.0K
451 services$101.93/svc3.18x markup
17111Destruction of 15 or more skin growths
$39.4K
393 services$100.18/svc1.53x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
17004Destruction of 15 or more skin growths23.4K$2.8M$118.022.71x
17311Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals (first stage, up to 5 tissue blocks)2.4K$1.1M$477.111.61x
99213Established patient office or other outpatient visit, typically 15 minutes15.6K$860.2K$54.981.78x
17110Destruction of up to 14 skin growths6.4K$559.0K$87.991.47x
17000Destruction of skin growth13.5K$554.7K$41.022.61x
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals1.3K$450.2K$333.731.40x
15260Relocation of patient skin to nose, ears, eyelids, and/or lips (20 sq centimeters or less)504$422.4K$838.061.53x
12032Repair of wound (2.6 to 7.5 centimeters) of the scalp, underarms, trunk, arms, and/or legs1.6K$393.5K$243.081.48x
11100Biopsy of single growth of skin and/or tissue4.8K$337.8K$69.961.89x
11102Tangential biopsy of single skin lesion3.5K$268.3K$77.691.79x
12052Repair of wound (2.6 to 5.0 centimeters) of face, ears, eyelids, nose, lips, and/or mouth1.4K$189.5K$131.023.02x
99212Established patient office or other outpatient visit, typically 10 minutes3.7K$113.4K$30.392.28x
11602Removal of malignant growth (1.1 to 2.0 centimeters) of the trunk, arms, or legs891$89.2K$100.113.08x
12042Repair of wound (2.6 to 7.5 centimeters) of neck, hands, feet, and/or genitals349$80.1K$229.491.68x
17003Destruction of 2-14 skin growths11.9K$59.2K$4.993.21x
69100Biopsy of ear778$53.6K$68.832.22x
11603Removal of malignant growth (2.1 to 3.0 centimeters) of the trunk, arms, or legs417$47.6K$114.152.97x
99203New patient office or other outpatient visit, typically 30 minutes665$47.0K$70.652.18x
11622Removal of malignant growth (1.1 to 2.0 centimeters) of the scalp, neck, hands, feet, or genitals451$46.0K$101.933.18x
17111Destruction of 15 or more skin growths393$39.4K$100.181.53x

Markup Analysis

Charge-to-Payment Ratio

2.13x

This provider submits charges 2.13 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.13x means for every $100 Medicare pays, this provider initially charges $213. This is higher than the national average.

Location

Sonora, CA

Provider Verification

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

Similar Providers

Other Dermatology providers in CA for peer comparison.

Zachary Cooper (you)
$8.7M
Artur Henke, MD
$35.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Artur Henke, MDRoseville, CA$35.6Mโœ“ Clear

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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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