Summary

Dr. Catherine Ly treats hemorrhoids, abdominal pain, and colon polyps, and performs colonoscopy, lower GI endoscopy, and laparoscopy as part of her gastroenterology practice. She has 17 years of experience and is affiliated with Advocate Lutheran General Hospital.

Dr. Ly is board-certified in internal medicine through the American Board of Internal Medicine and earned her medical degree from Chicago College of Osteopathic Medicine of Midwestern University. She sees patients in Sandusky, Ohio. Patients on Vitals rate Dr. Ly 4 out of 5.

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, DO
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Catherine Ly, DOBrendon Bower, APRNShauna Sanderson, APRNAshley Anderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4 
0 
0 
0 
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 , AZTallahassee , FLSacramento , CA
Med School: Chicago College of Osteopathic Medicine of Midwestern University Med School: University of Cincinnati Med School: Creighton University College of Nursing Med School: East Tennessee State University - Quillen College of Medicine
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.
Where is Catherine Ly's office located?
Catherine Ly's office is located at 701 Tyler St Ste 302, Sandusky, OH, 44870.
What languages does Catherine Ly speak?
Catherine Ly speaks English.
How can I make an appointment with Catherine Ly?
You can find contact information for Catherine Ly here on Vitals.
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.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Board certification bodies (such as ABMS)
  • Healthcare system and provider network data

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