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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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Methodology•Download Data
  1. Home
  2. Providers
  3. Mark Funk
🩺
MDI

Mark Funk, MD

NPI: 1699759324
Atlanta, GA
10 years of data
Internal Medicine
$200.0K
Total Payments
2.0K
Beneficiaries
5.9K
Services
1.9x
Markup Ratio

Peer Comparison

79th
percentile in specialty
This provider$200.0K
Specialty median$84.0K

📋 Key Findings

1Billed $200.0K over 10 years
21.9x markup ratio
3AI fraud probability: 88.5%
🤖

AI Risk Assessment

Rank #248 of 500
88.5%fraud probability
Low riskMediumHigh risk

Risk Factors

Volume-driven pattern

What this means

Our machine learning model analyzed billing patterns, service volumes, markup ratios, and peer comparisons to estimate a 88.5% probability that this provider's billing patterns are consistent with known fraud cases. This is ranked #248 out of 500 highest-risk providers analyzed. This is a statistical prediction, not a determination of fraud.

View all ML-flagged providers →Methodology →

ML model prediction — not an accusation of fraud

🔎 Data Analysis

This provider's $200.0K in total Medicare payments ranks in the 79th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 121% from 2014 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Top Procedures (10)

99213Office visit, established patient, low complexity
$42.8K
1.1K services$39.75/svc2.14x markup
99214Office visit, established patient, moderate complexity
$38.5K
969 services$39.73/svc2.06x markup
99215Office visit, established patient, high complexity
$34.2K
861 services$39.74/svc1.62x markup
99232Subsequent hospital care, moderate complexity
$29.9K
753 services$39.76/svc1.71x markup
99233Subsequent hospital care, high complexity
$25.7K
646 services$39.73/svc2.12x markup
93000Electrocardiogram, complete
$21.4K
538 services$39.75/svc1.98x markup
71046Chest X-ray, 2 views
$17.1K
431 services$39.70/svc1.76x markup
80053Comprehensive metabolic panel
$12.8K
323 services$39.72/svc1.68x markup
85025Complete blood count with differential
$8.6K
215 services$39.79/svc2.19x markup
36415Venipuncture for blood draw
$4.3K
108 services$39.60/svc1.81x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office visit, established patient, low complexity1.1K$42.8K$39.752.14x
99214Office visit, established patient, moderate complexity969$38.5K$39.732.06x
99215Office visit, established patient, high complexity861$34.2K$39.741.62x
99232Subsequent hospital care, moderate complexity753$29.9K$39.761.71x
99233Subsequent hospital care, high complexity646$25.7K$39.732.12x
93000Electrocardiogram, complete538$21.4K$39.751.98x
71046Chest X-ray, 2 views431$17.1K$39.701.76x
80053Comprehensive metabolic panel323$12.8K$39.721.68x
85025Complete blood count with differential215$8.6K$39.792.19x
36415Venipuncture for blood draw108$4.3K$39.601.81x

Markup Analysis

Charge-to-Payment Ratio

1.9x

This provider submits charges 1.9 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.9x means for every $100 Medicare pays, this provider initially charges $190. This is lower than the national average.

Location

Atlanta, GA

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

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • 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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