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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. Mallory Hatfield
❤️
MDIndividual

Mallory Hatfield, MD

NPI: 1790737013
Hyannis, MA
10 years of data
Cardiology
$6.9M
Total Payments
51.9K
Beneficiaries
75.9K
Services
8.8x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$6.9M
Specialty median$193.1K

📋 Key Findings

1Billed $6.9M over 10 years
28.8x markup ratio (above median)
399th percentile in Cardiology by payments
4Payments surged 72% in 2021
520 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $6.9M in total Medicare payments ranks in the 99th percentile of Cardiology providers nationally.

Their average markup ratio of 8.8x is significantly above the specialty median of 3.6x.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

📈

Notable: Payments increased 72% in 2021

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

Submitted Charges vs. Medicare Payments

Average per-service amounts submitted by the provider compared to what Medicare actually paid — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$782.27$100.817.76x$681.46$662.4K7.4K5.1K
2015$801.90$102.087.86x$699.82$731.4K7.8K5.4K
2016$753.06$97.257.74x$655.81$688.2K7.6K5.1K
2017$763.42$91.008.39x$672.42$569.7K6.4K4.3K
2018$801.48$94.668.47x$706.82$680.2K7.3K5.2K
2019$847.48$104.508.11x$742.98$353.2K4.2K2.7K
2020$2.2K$388.215.75x$1.8K$545.8K5.3K3.8K
2021$1.7K$294.965.65x$1.4K$936.3K9.0K5.9K
2022$1.7K$253.586.75x$1.5K$847.1K10.3K6.6K
2023$1.7K$250.606.98x$1.5K$932.8K10.7K7.7K

Top Procedures (20)

99214Established patient office or other outpatient, visit typically 25 minutes⚠ 8.4x markup
$2.0M
23.6K services$85.47/svc8.38x markup
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies⚠ 4.2x markup
$1.7M
4.4K services$395.13/svc4.18x markup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function⚠ 10.7x markup
$1.1M
6.7K services$170.95/svc10.74x markup
A9500Technetium tc-99m sestamibi, diagnostic, per study dose⚠ 17.8x markup
$430.9K
4.4K services$97.38/svc17.79x markup
33285Insertion of heart rhythm monitor under skin⚠ 5.3x markup
$319.9K
76 services$4.2K/svc5.35x markup
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report⚠ 13.9x markup
$245.2K
4.6K services$53.30/svc13.92x markup
93224Heart rhythm tracing, analysis, and interpretation of 48-hour EKG⚠ 22.3x markup
$243.9K
3.8K services$63.76/svc22.33x markup
93000Routine EKG using at least 12 leads including interpretation and report⚠ 13.0x markup
$214.9K
17.5K services$12.29/svc13.04x markup
99204New patient office or other outpatient visit, typically 45 minutes⚠ 6.4x markup
$148.6K
1.2K services$125.40/svc6.43x markup
99215Established patient office or other outpatient, visit typically 40 minutes⚠ 6.3x markup
$117.6K
827 services$142.14/svc6.31x markup
J2785Injection, regadenoson, 0.1 mg⚠ 6.1x markup
$66.1K
1.5K services$44.02/svc6.14x markup
93356Heart muscle strain imaging⚠ 6.2x markup
$52.1K
1.6K services$32.09/svc6.24x markup
G2066Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec⚠ 4.9x markup
$48.5K
1.4K services$34.84/svc4.90x markup
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge⚠ 4.0x markup
$41.6K
203 services$204.71/svc4.01x markup
93298Remote evaluations of heart rhythm monitor system implanted under skin with qualified health care professional analysis, review, and report, up to 30 days⚠ 7.3x markup
$27.9K
1.4K services$19.93/svc7.32x markup
99406Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes⚠ 3.1x markup
$18.4K
1.1K services$16.03/svc3.12x markup
99205New patient office or other outpatient visit, 60-74 minutes⚠ 5.2x markup
$15.1K
88 services$171.47/svc5.15x markup
93288Evaluation of parameters of single, dual, or multiple lead pacemaker including device connection, recording, and disconnection⚠ 7.0x markup
$12.1K
390 services$31.01/svc7.05x markup
99495Transitional care management services, moderately complexity, requiring face-to-face visits within 14 days of discharge⚠ 4.8x markup
$9.4K
58 services$161.38/svc4.76x markup
93289Evaluation of defibrillator including connection, recording and disconnection⚠ 6.4x markup
$9.0K
179 services$50.46/svc6.38x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office or other outpatient, visit typically 25 minutes23.6K$2.0M$85.478.38x
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies4.4K$1.7M$395.134.18x
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function6.7K$1.1M$170.9510.74x
A9500Technetium tc-99m sestamibi, diagnostic, per study dose4.4K$430.9K$97.3817.79x
33285Insertion of heart rhythm monitor under skin76$319.9K$4.2K5.35x
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report4.6K$245.2K$53.3013.92x
93224Heart rhythm tracing, analysis, and interpretation of 48-hour EKG3.8K$243.9K$63.7622.33x
93000Routine EKG using at least 12 leads including interpretation and report17.5K$214.9K$12.2913.04x
99204New patient office or other outpatient visit, typically 45 minutes1.2K$148.6K$125.406.43x
99215Established patient office or other outpatient, visit typically 40 minutes827$117.6K$142.146.31x
J2785Injection, regadenoson, 0.1 mg1.5K$66.1K$44.026.14x
93356Heart muscle strain imaging1.6K$52.1K$32.096.24x
G2066Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec1.4K$48.5K$34.844.90x
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge203$41.6K$204.714.01x
93298Remote evaluations of heart rhythm monitor system implanted under skin with qualified health care professional analysis, review, and report, up to 30 days1.4K$27.9K$19.937.32x
99406Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes1.1K$18.4K$16.033.12x
99205New patient office or other outpatient visit, 60-74 minutes88$15.1K$171.475.15x
93288Evaluation of parameters of single, dual, or multiple lead pacemaker including device connection, recording, and disconnection390$12.1K$31.017.05x
99495Transitional care management services, moderately complexity, requiring face-to-face visits within 14 days of discharge58$9.4K$161.384.76x
93289Evaluation of defibrillator including connection, recording and disconnection179$9.0K$50.466.38x

Markup Analysis

Charge-to-Payment Ratio

8.8x

This provider submits charges 8.8 times higher than what Medicare actually pays.

What This Means

A markup ratio of 8.8x means for every $100 Medicare pays, this provider initially charges $880. This is higher than the national average.

Location

Hyannis, MA

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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