Summary

Dr. Catherine Ly is a gastroenterologist with 17 years of experience helping patients with digestive health concerns. She earned her medical degree from Chicago College of Osteopathic Medicine of Midwestern University and is board-certified in internal medicine through the American Board of Internal Medicine. Dr. Ly provides care in English for her patients.

Dr. Ly practices at Firelands Health Gastroenterology in Sandusky, Ohio, and maintains an affiliation with Advocate Lutheran General Hospital. She specializes in treating conditions such as hemorrhoids, abdominal pain, and colon polyps. Her expertise includes performing colonoscopies, lower GI endoscopies, and laparoscopic procedures. Patients have given her an average rating of 4.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 17 years of experience
  • 59 insurance plans accepted
  • speaks English
  • Chicago College of Osteopathic Medicine of Midwestern University
  • 3 written reviews
  • 1 specialty
  • 8 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Firelands Health Gastroenterology

701 Tyler St Ste 302Sandusky, OH 44870
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 3:00 pm
SatClosed
SunClosed

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Catherine Ly, DOBrendon Bower, APRNStephanie Rose, APRNShauna Sanderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
17 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Sandusky , OHTempe , AZColumbus , OHTallahassee , FL
Med School: Chicago College of Osteopathic Medicine of Midwestern University Med School: University of Cincinnati Med School: University of Toledo Med School: Creighton University College of Nursing
Current Profile
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Insurance Plans Accepted by Catherine Ly

  • AARP
  • AARP - Medicare
  • Aetna
  • AmeriHealth
  • AmeriHealth - Medicaid
  • AmeriHealth - Medicaid (Managed)
  • Anthem Blue Cross
  • Anthem Blue Cross - EPO
  • Anthem Blue Cross - Medicaid
  • Anthem Blue Cross - Medicaid (Managed)
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - EPO
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Texas
  • Buckeye Health Plan
  • Buckeye Health Plan - ACA
  • Buckeye Health Plan - Medicaid
  • Buckeye Health Plan - Medicaid (Managed)
  • CareSource
  • CareSource - Medicaid
  • CareSource - Medicaid (Managed)
  • CHAMPVA
  • Cigna
  • Devoted Health
  • GEHA
  • Golden Rule
  • HealthScope Benefits
  • Humana
  • Humana - HMO
  • Humana - Medicaid
  • Humana - Medicaid (Managed)
  • Humana - Medicare (Advantage HMO)
  • Independent Health
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medical Mutual
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare - Medicaid
  • Molina Healthcare - Medicaid (Managed)
  • Mutual of Omaha
  • Nippon Life Benefits
  • OhioHealthy
  • Optum Health
  • Oscar Health Insurance
  • Paramount Healthcare
  • Security Life
  • State Farm
  • SummaCare
  • Three Rivers Providers Network (TRPN)
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - ACA
  • UnitedHealthcare - Medicaid
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare
  • WPS Health Plan

Medical Specialties

Catherine Ly has the following specialty

Specialty Expertise

Catherine Ly has the following 8 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

17 Years Experience

Catherine Ly holds an expired medical license in the state of Ohio. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Doctor Of Osteopathy with an expired medical license in the state of Ohio that expired in 2026.

Education & Training

Medical School

Graduated from Chicago College of Osteopathic Medicine of Midwestern University in 2009.

NPI Number

Catherine Ly's NPI number is 1750523783.

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Frequently Asked Questions

Does Catherine Ly accept my insurance?
You can see the insurance plans that Catherine Ly accepts on their Vitals profile.
Does Catherine Ly accept virtual/telehealth appointments?
Catherine Ly has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Catherine Ly speak?
Catherine Ly speaks English.
Where is Catherine Ly's office located?
Catherine Ly's office is located at 701 Tyler St Ste 302, Sandusky, OH, 44870.
Which hospitals is Catherine Ly affiliated with?
Catherine Ly is affiliated with Advocate Lutheran General Hospital.

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