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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. Greg Viehman
๐Ÿงด
MDIndividual

Greg Viehman, M.D.

NPI: 1437130523
Wilmington, NC
10 years of data
Micrographic Dermatologic Surgery
$9.9M
Total Payments
37.6K
Beneficiaries
40.0K
Services
1.88x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$9.9M
Specialty median$558.8K

๐Ÿ“‹ Key Findings

1Billed $9.9M over 10 years
21.88x markup ratio
397th percentile in Micrographic Dermatologic Surgery by payments
44 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $9.9M in total Medicare payments ranks in the 97th percentile of Micrographic Dermatologic Surgery 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$378.59$241.281.57x$137.31$912.1K4.1K3.9K
2015$390.81$245.201.59x$145.61$937.0K4.1K3.9K
2016$386.99$251.511.54x$135.48$946.6K4.0K3.7K
2017$401.18$249.291.61x$151.89$1.0M4.3K4.1K
2018$371.59$232.681.60x$138.91$1.1M4.6K4.3K
2019$368.20$238.531.54x$129.67$1.0M4.3K4.2K
2020$362.24$226.641.60x$135.60$1.0M4.2K4.0K
2021$354.87$226.761.56x$128.11$1.0M3.7K3.5K
2022$576.76$256.302.25x$320.46$1.0M3.4K3.2K
2023$1.2K$247.914.64x$903.54$945.5K3.2K3.0K

Top Procedures (20)

17311Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals (first stage, up to 5 tissue blocks)
$4.0M
10.0K services$394.91/svc2.03x markup
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals
$2.0M
6.6K services$296.55/svc1.60x markup
14041Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of the forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet
$499.8K
728 services$686.54/svc1.55x markup
17313Removal and microscopic examination of growth of the trunk, arms, or legs (first stage, up to 5 tissue blocks)
$493.7K
1.3K services$381.56/svc2.04x markup
14040Tissue transfer repair of wound (10 sq centimeters or less) of the forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet
$480.7K
879 services$546.86/svc1.67x markup
14060Tissue transfer repair of wound (10 sq centimeters or less) of eyelids, nose, ears, and/or lips
$437.7K
777 services$563.31/svc1.59x markup
13132Repair of wound (2.6 to 7.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feetโš  3.2x markup
$277.4K
1.5K services$182.71/svc3.17x markup
15260Relocation of patient skin to nose, ears, eyelids, and/or lips (20 sq centimeters or less)
$258.1K
344 services$750.21/svc1.48x markup
99202New patient office or other outpatient visit, typically 20 minutes
$256.4K
4.6K services$56.21/svc1.29x markup
17314Removal and microscopic examination of growth of the trunk, arms, or legs
$206.5K
728 services$283.66/svc1.61x markup
14061Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of eyelids, nose, ears, and/or lips
$149.5K
197 services$759.06/svc1.49x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$113.3K
3.4K services$33.04/svc1.29x markup
88331Pathology examination of tissue during surgery
$107.6K
1.4K services$74.46/svc1.49x markup
14301Tissue transfer repair of wound (30.1 to 60.0 sq centimeters)
$83.8K
104 services$805.32/svc1.74x markup
99203New patient outpatient visit, total time 30-44 minutes
$69.8K
825 services$84.58/svc1.99x markup
13152Repair of wound (2.6 to 7.5 centimeters) of eyelids, nose, ears, and/or lipsโš  3.4x markup
$53.9K
280 services$192.33/svc3.42x markup
12032Repair of wound (2.6 to 7.5 centimeters) of the scalp, underarms, trunk, arms, and/or legs
$52.2K
415 services$125.79/svc2.75x markup
13131Repair of wound (1.1 to 2.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feetโš  3.4x markup
$46.6K
311 services$149.75/svc3.42x markup
17282Destruction of malignant growth (1.1 to 2.0 centimeters) of face, ears, eyelids, nose, lips, or mouth
$45.3K
369 services$122.90/svc1.83x markup
13151Repair of wound (1.1 to 2.5 centimeters) of eyelids, nose, ears, and/or lipsโš  3.4x markup
$40.1K
247 services$162.47/svc3.39x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
17311Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals (first stage, up to 5 tissue blocks)10.0K$4.0M$394.912.03x
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals6.6K$2.0M$296.551.60x
14041Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of the forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet728$499.8K$686.541.55x
17313Removal and microscopic examination of growth of the trunk, arms, or legs (first stage, up to 5 tissue blocks)1.3K$493.7K$381.562.04x
14040Tissue transfer repair of wound (10 sq centimeters or less) of the forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet879$480.7K$546.861.67x
14060Tissue transfer repair of wound (10 sq centimeters or less) of eyelids, nose, ears, and/or lips777$437.7K$563.311.59x
13132Repair of wound (2.6 to 7.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet1.5K$277.4K$182.713.17x
15260Relocation of patient skin to nose, ears, eyelids, and/or lips (20 sq centimeters or less)344$258.1K$750.211.48x
99202New patient office or other outpatient visit, typically 20 minutes4.6K$256.4K$56.211.29x
17314Removal and microscopic examination of growth of the trunk, arms, or legs728$206.5K$283.661.61x
14061Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of eyelids, nose, ears, and/or lips197$149.5K$759.061.49x
99212Established patient office or other outpatient visit, typically 10 minutes3.4K$113.3K$33.041.29x
88331Pathology examination of tissue during surgery1.4K$107.6K$74.461.49x
14301Tissue transfer repair of wound (30.1 to 60.0 sq centimeters)104$83.8K$805.321.74x
99203New patient outpatient visit, total time 30-44 minutes825$69.8K$84.581.99x
13152Repair of wound (2.6 to 7.5 centimeters) of eyelids, nose, ears, and/or lips280$53.9K$192.333.42x
12032Repair of wound (2.6 to 7.5 centimeters) of the scalp, underarms, trunk, arms, and/or legs415$52.2K$125.792.75x
13131Repair of wound (1.1 to 2.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet311$46.6K$149.753.42x
17282Destruction of malignant growth (1.1 to 2.0 centimeters) of face, ears, eyelids, nose, lips, or mouth369$45.3K$122.901.83x
13151Repair of wound (1.1 to 2.5 centimeters) of eyelids, nose, ears, and/or lips247$40.1K$162.473.39x

Markup Analysis

Charge-to-Payment Ratio

1.88x

This provider submits charges 1.88 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.88x means for every $100 Medicare pays, this provider initially charges $188. This is lower than the national average.

Location

Wilmington, NC

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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