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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. Keith Mackenzie
๐Ÿงด
DOIndividual

Keith Mackenzie, D.O.

NPI: 1861498297
Prescott, AZ
10 years of data
Dermatology
$6.7M
Total Payments
100.3K
Beneficiaries
138.0K
Services
2.74x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$6.7M
Specialty median$212.7K

๐Ÿ“‹ Key Findings

1Billed $6.7M over 10 years
22.74x markup ratio (above median)
398th percentile in Dermatology by payments
455 services/day โ€” unusually high
54 procedures with >3x markup

This provider averages 55 services per working day

Based on 138.0K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $6.7M in total Medicare payments ranks in the 98th percentile of Dermatology providers nationally.

Averaging 55 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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$286.55$97.042.95x$189.51$683.8K13.9K10.2K
2015$285.68$101.302.82x$184.38$665.1K14.4K10.3K
2016$288.45$100.462.87x$187.99$646.9K13.8K10.3K
2017$289.29$107.492.69x$181.80$726.4K15.3K10.8K
2018$276.75$106.252.60x$170.50$771.7K16.2K11.2K
2019$280.73$111.552.52x$169.18$665.2K13.7K10.0K
2020$295.68$120.682.45x$175.00$609.3K12.5K9.6K
2021$278.77$111.322.50x$167.45$651.2K12.5K9.3K
2022$273.87$109.682.50x$164.19$648.4K12.8K9.1K
2023$274.65$111.622.46x$163.03$663.7K12.9K9.3K

Top Procedures (20)

99213Established patient office or other outpatient visit, typically 15 minutes
$1.9M
37.5K services$50.08/svc2.52x markup
17000Destruction of skin growthโš  3.5x markup
$1.2M
30.3K services$38.42/svc3.51x markup
17110Destruction of up to 14 skin growths
$744.3K
9.4K services$79.29/svc2.26x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$546.4K
7.6K services$72.19/svc2.66x markup
11100Biopsy of single growth of skin and/or tissue
$291.6K
4.3K services$68.18/svc2.57x markup
11102Tangential biopsy of single skin lesion
$234.3K
3.6K services$65.16/svc2.12x markup
77280Management of radiation therapy simulation, simple
$148.2K
706 services$209.86/svc1.83x markup
12032Repair of wound (2.6 to 7.5 centimeters) of the scalp, underarms, trunk, arms, and/or legs
$140.3K
618 services$227.06/svc2.31x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$139.1K
4.1K services$33.85/svc2.36x markup
11602Removal of malignant growth (1.1 to 2.0 centimeters) of the trunk, arms, or legs
$124.5K
880 services$141.49/svc2.92x markup
77290Management of radiation therapy, simulation, complex
$124.0K
331 services$374.62/svc1.93x markup
17004Destruction of 15 or more skin growthsโš  3.6x markup
$118.7K
1.1K services$109.28/svc3.60x markup
17003Destruction of 2-14 skin growthsโš  6.6x markup
$105.4K
23.2K services$4.55/svc6.59x markup
77401Radiation treatment delivery, superficial
$100.6K
4.5K services$22.40/svc1.80x markup
11642Removal of malignant growth (1.1 to 2.0 centimeters) of the face, ears, eyelids, nose, or lips
$94.5K
518 services$182.34/svc2.58x markup
99202New patient office or other outpatient visit, typically 20 minutes
$71.3K
1.6K services$45.98/svc2.87x markup
11622Removal of malignant growth (1.1 to 2.0 centimeters) of the scalp, neck, hands, feet, or genitals
$66.9K
377 services$177.51/svc2.43x markup
11641Removal of malignant growth (0.6 to 1.0 centimeters) of the face, ears, eyelids, nose, or lips
$65.9K
458 services$143.89/svc2.84x markup
17282Destruction of malignant growth (1.1 to 2.0 centimeters) of face, ears, eyelids, nose, lips, or mouthโš  3.1x markup
$55.6K
375 services$148.15/svc3.12x markup
17262Destruction of malignant growth (1.1 to 2.0 centimeters) of trunk, arms, or legs
$53.2K
442 services$120.44/svc2.43x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Established patient office or other outpatient visit, typically 15 minutes37.5K$1.9M$50.082.52x
17000Destruction of skin growth30.3K$1.2M$38.423.51x
17110Destruction of up to 14 skin growths9.4K$744.3K$79.292.26x
99214Established patient office or other outpatient, visit typically 25 minutes7.6K$546.4K$72.192.66x
11100Biopsy of single growth of skin and/or tissue4.3K$291.6K$68.182.57x
11102Tangential biopsy of single skin lesion3.6K$234.3K$65.162.12x
77280Management of radiation therapy simulation, simple706$148.2K$209.861.83x
12032Repair of wound (2.6 to 7.5 centimeters) of the scalp, underarms, trunk, arms, and/or legs618$140.3K$227.062.31x
99212Established patient office or other outpatient visit, typically 10 minutes4.1K$139.1K$33.852.36x
11602Removal of malignant growth (1.1 to 2.0 centimeters) of the trunk, arms, or legs880$124.5K$141.492.92x
77290Management of radiation therapy, simulation, complex331$124.0K$374.621.93x
17004Destruction of 15 or more skin growths1.1K$118.7K$109.283.60x
17003Destruction of 2-14 skin growths23.2K$105.4K$4.556.59x
77401Radiation treatment delivery, superficial4.5K$100.6K$22.401.80x
11642Removal of malignant growth (1.1 to 2.0 centimeters) of the face, ears, eyelids, nose, or lips518$94.5K$182.342.58x
99202New patient office or other outpatient visit, typically 20 minutes1.6K$71.3K$45.982.87x
11622Removal of malignant growth (1.1 to 2.0 centimeters) of the scalp, neck, hands, feet, or genitals377$66.9K$177.512.43x
11641Removal of malignant growth (0.6 to 1.0 centimeters) of the face, ears, eyelids, nose, or lips458$65.9K$143.892.84x
17282Destruction of malignant growth (1.1 to 2.0 centimeters) of face, ears, eyelids, nose, lips, or mouth375$55.6K$148.153.12x
17262Destruction of malignant growth (1.1 to 2.0 centimeters) of trunk, arms, or legs442$53.2K$120.442.43x

Markup Analysis

Charge-to-Payment Ratio

2.74x

This provider submits charges 2.74 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.74x means for every $100 Medicare pays, this provider initially charges $274. This is higher than the national average.

Location

Prescott, AZ

Provider Verification

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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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