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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. Miriam Fernz
๐Ÿฉบ
MDI

Miriam Fernz, MD

NPI: 1801824545
Charlotte, NC
10 years of data
Internal Medicine
$949.0K
Total Payments
7.8K
Beneficiaries
22.5K
Services
1.84x
Markup Ratio

Peer Comparison

96th
percentile in specialty
This provider$949.0K
Specialty median$84.0K

๐Ÿ“‹ Key Findings

1Billed $949.0K over 10 years
21.84x markup ratio
3AI fraud probability: 93.6%
496th percentile in Internal Medicine by payments
๐Ÿค–

AI Risk Assessment

Rank #27 of 500
93.6%fraud probability
Low riskMediumHigh risk

Risk Factors

7-figure billing

What this means

Our machine learning model analyzed billing patterns, service volumes, markup ratios, and peer comparisons to estimate a 93.6% probability that this provider's billing patterns are consistent with known fraud cases. This is ranked #27 out of 500 highest-risk providers analyzed. This is a statistical prediction, not a determination of fraud.

View all ML-flagged providers โ†’Methodology โ†’

ML model prediction โ€” not an accusation of fraud

๐Ÿ”Ž Data Analysis

This provider's $949.0K in total Medicare payments ranks in the 96th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 108% 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
$205.8K
4.2K services$49.07/svc2.11x markup
99214Office visit, established patient, moderate complexity
$185.2K
3.8K services$49.06/svc1.70x markup
99215Office visit, established patient, high complexity
$164.6K
3.4K services$49.07/svc1.57x markup
99232Subsequent hospital care, moderate complexity
$144.0K
2.9K services$49.06/svc1.74x markup
99233Subsequent hospital care, high complexity
$123.5K
2.5K services$49.05/svc2.03x markup
93000Electrocardiogram, complete
$102.9K
2.1K services$49.07/svc1.76x markup
71046Chest X-ray, 2 views
$82.3K
1.7K services$49.05/svc1.85x markup
80053Comprehensive metabolic panel
$61.7K
1.3K services$49.07/svc1.71x markup
85025Complete blood count with differential
$41.2K
839 services$49.05/svc1.61x markup
36415Venipuncture for blood draw
$20.6K
419 services$49.11/svc1.98x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office visit, established patient, low complexity4.2K$205.8K$49.072.11x
99214Office visit, established patient, moderate complexity3.8K$185.2K$49.061.70x
99215Office visit, established patient, high complexity3.4K$164.6K$49.071.57x
99232Subsequent hospital care, moderate complexity2.9K$144.0K$49.061.74x
99233Subsequent hospital care, high complexity2.5K$123.5K$49.052.03x
93000Electrocardiogram, complete2.1K$102.9K$49.071.76x
71046Chest X-ray, 2 views1.7K$82.3K$49.051.85x
80053Comprehensive metabolic panel1.3K$61.7K$49.071.71x
85025Complete blood count with differential839$41.2K$49.051.61x
36415Venipuncture for blood draw419$20.6K$49.111.98x

Markup Analysis

Charge-to-Payment Ratio

1.84x

This provider submits charges 1.84 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.84x means for every $100 Medicare pays, this provider initially charges $184. This is lower than the national average.

Location

Charlotte, 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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