Compare high-paying freelance options for Ohio cardiologists: locums, telemedicine, AI training, consulting. Real pay ranges, requirements, and how to start.

TL;DR

Looking for freelance or contract work as a cardiologist in Ohio? Whether you want to supplement your income or transition to independent practice, Ohio offers several high-paying options. Here's how the top opportunities compare.

1.

Expert Witness / Medical-Legal

$250-$550/hr

What You'll Do

Expert witness work requires reviewing cardiology-related medical records, providing impartial opinions on standard of care in lawsuits, and testifying in depositions or trials about cases involving heart conditions or procedures. Cardiologists analyze charts for negligence claims, such as missed infarctions or improper interventions. Assignments come from law firms handling malpractice or personal injury cases.

Requirements

  • Board certification in Cardiology
  • 10+ years clinical experience
  • Active Ohio license preferred
  • Prior expert witness experience helpful
  • Strong communication skills

Malpractice Insurance: No

Where to Find Work

  • JurisPro

Ohio notes: Moderate med-mal market; Cuyahoga County (Cleveland) and Franklin County (Columbus) most active; Trial testimony $450-625/hr; Deposition $350-500/hr; Record review $250-400/hr
Typical start timeline: 1-4 weeks

2.

Healthcare Consulting / Advisory

$175-$475/hr

What You'll Do

Consulting involves advising healthcare organizations, insurers, or pharma companies on cardiology best practices, protocol development, or market strategies for cardiac devices and treatments. Cardiologists may review guidelines, train staff, or contribute to quality improvement projects in Ohio hospitals. Work focuses on strategic input rather than direct patient care.

Requirements

  • Board certification in Cardiology
  • 5+ years experience
  • Leadership or advisory experience
  • Active Ohio license optional
  • Business acumen

Malpractice Insurance: No

Where to Find Work

  • PhysicianSideGigs

Ohio notes: Cleveland Clinic/academic hub drives consulting demand; lower CoL = lower floor rates; Pharma advisory $325-475/hr; Expert networks $250-400/hr; Device/health system consulting $175-325/hr
Typical start timeline: 4-8 weeks

3.

AI Training & Annotation

$150-$415/hr

What You'll Do

Healthcare AI companies hire cardiologist professionals to review, annotate, and validate training data for medical AI systems. Work involves cardiology imaging and ecg interpretation ai training — tasks like ecg interpretation, echocardiogram annotation, arrhythmia detection.

Requirements

  • Active clinical background in cardiologist
  • No malpractice insurance needed
  • Computer with reliable internet

Malpractice Insurance: No

Where to Find Work

  • Folio (folioworks.com)
  • Centaur Labs
  • Appen
  • Labelbox

Ohio notes: Fully remote — available regardless of state. Pay based on specialty expertise, not location.
Typical start timeline: 1-2 weeks

Getting started: Join the expert community and make a free profile on Folio to browse current cardiologist AI training projects.

4.

Locum Tenens / Per Diem

$220-$390/hr

What You'll Do

Locum tenens or per diem work for a cardiologist involves providing temporary coverage at hospitals or clinics in Ohio, handling inpatient consults, outpatient visits, and procedures like EKGs or echoes to fill staffing gaps. Assignments are typically short-term, ranging from days to months, focusing on non-invasive or invasive cardiology based on facility needs. This allows cardiologists to work multiple sites while maintaining high hourly earnings.

Requirements

  • Active Ohio medical license
  • Board certification in Cardiology
  • Minimum 2-5 years experience
  • Clean malpractice history
  • ECHO or Nuclear certification preferred

Malpractice Insurance: Typically provided by employer

Where to Find Work

  • Locumstory
  • Midwest high demand ~30% of openings), Sermo

Ohio notes: Cleveland/Columbus metro average; rural OH +20-30% premium; lower CoL means effective rate higher; Cleveland Clinic area competitive; Interventional/EP $290-390/hr; General/Non-invasive $220-280/hr; Invasive $255-330/hr
Typical start timeline: 6-12 weeks

5.

Telemedicine / Telehealth

$85-$200/hr

What You'll Do

Telemedicine work involves remote consultations for cardiology patients via video, reviewing histories, interpreting tests like EKGs or echoes, and managing chronic conditions such as hypertension or heart failure. Cardiologists provide virtual follow-ups, urgent assessments, and medication adjustments without physical exams. This is ideal for expanding access in rural Ohio areas.

Requirements

  • Active Ohio medical license
  • Board certification in Cardiology
  • Experience with telehealth platforms
  • Reliable high-speed internet
  • DEA license

Malpractice Insurance: Yes ($5,000-$15,000/year)

Where to Find Work

  • PracticeBloom

Ohio notes: No geographic variation (remote); Cleveland Clinic expanding telehealth; Remote imaging reads $130-200/hr; Virtual consults $85-165/hr
Typical start timeline: 2-6 weeks

6.

Chart Review / Utilization Review

$85-$175/hr

What You'll Do

Chart review work entails auditing cardiology patient records for insurers or hospitals to ensure appropriate care, coding accuracy, and resource utilization, such as approving or denying procedures like stents. Cardiologists assess compliance with guidelines for conditions like arrhythmias or CHF. This supports cost containment and quality assurance remotely.

Requirements

  • Board certification in Cardiology
  • Active Ohio license
  • 3+ years experience
  • Knowledge of coding (CPT/ICD-10)
  • Attention to detail

Malpractice Insurance: No

Where to Find Work

  • NonClinicalCareers

Ohio notes: Remote work; no geographic variation; Cardiology peer review $100-175/hr; General UR $85-130/hr
Typical start timeline: 2-6 weeks

Common Questions People Ask

Q: What are the highest-paying freelance options for cardiologists in Ohio?

A: Based on current market data, the top 3 are: Expert Witness / Medical-Legal ($250-$550/hr), Healthcare Consulting / Advisory ($175-$475/hr), AI Training & Annotation ($150-$415/hr).

Q: Which freelance options for cardiologists don't require malpractice insurance?

A: 4 options don't require malpractice insurance: Expert Witness / Medical-Legal ($250-$550/hr), Healthcare Consulting / Advisory ($175-$475/hr), AI Training & Annotation ($150-$415/hr), Chart Review / Utilization Review ($85-$175/hr). This can save $20-$50K annually compared to options requiring coverage.

Q: Can cardiologists work remotely in Ohio?

A: Yes, 5 options are fully or partially remote: Expert Witness / Medical-Legal ($250-$550/hr), Healthcare Consulting / Advisory ($175-$475/hr), AI Training & Annotation ($150-$415/hr), Telemedicine / Telehealth ($85-$200/hr), Chart Review / Utilization Review ($85-$175/hr).

Q: What Ohio license do cardiologists need for freelance work?

A: An active Ohio license from State Medical Board of Ohio is required for most clinical freelance options.

Q: How quickly can cardiologists start freelance work?

A: Timeline varies by option: Expert Witness / Medical-Legal typically takes 1-4 weeks, while Healthcare Consulting / Advisory typically takes 4-8 weeks, while AI Training & Annotation typically takes 1-2 weeks.

Q: What's the pay range for cardiologists doing AI training work?

A: AI training pays $150-$415/hour for cardiologists, varying by experience level and project complexity. No malpractice insurance required.

Getting Started with AI Training

Folio connects Ohio cardiologists with frontier research labs and healthcare AI companies looking for clinical expertise. The platform vets AI companies for project quality, handles contracting and payment, and matches projects to your area of expertise.

Typical timeline:
- Application: 3 minutes
- Credential review: 2-3 business days
- Platform orientation: 1 hour
- First project: 3-7 days from application

Current project focus (February 2026): ECG interpretation, echocardiogram annotation, arrhythmia detection

Most cardiologists start with 5-10 hours weekly, then scale based on preference. No minimum commitment.

Explore AI Training Opportunities

Questions? Email experts@folioworks.com

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Frequently asked questions

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How do I get started with freelance cardiologist work in Ohio?