Open Accessibility Menu
Hide
337.494.3000

Frank Marrero, MD

  • Location Information Primary Location
    Memorial Digestive Health Center
    2770 3rd Avenue, Suite 345
    Lake Charles, LA 70601
    Hours
    • Mon-Fri: 8:00 AM - 5:00 PM
      Sat-Sun: Closed

      Please call 337.494.4785 for more information.

  • Location Information Secondary Location
    Endoscopy Center
    2770 3rd Ave
    Lake Charles, LA 70601
    Hours
    • Mon-Fri: 7:00 AM - 4:30 PM
      Sat-Sun: Closed

      Please call 337.494.3010 for more information.

Meet Frank Marrero, MD

Dr. Frank Marrero is the Medical Director of Gastroenterology Services at Lake Charles Memorial Hospital. He is a board-certified gastroenterologist and internist by the American Board of Internal Medicine and on the staff of Memorial Medical Group. He provides comprehensive care in the prevention, diagnosis and treatment of gastrointestinal conditions. Dr. Marrero also serves as the Medical Director of Gastroenterology Services. 

A native of Wills Point, Texas, Dr. Marrero earned his medical degree from the University of Massachusetts Medical School in Worcester. He completed his residency in internal medicine and fellowship in gastroenterology at the Cleveland Clinic Foundation in Cleveland, Ohio, where he also served as Chief Resident in internal medicine and Chief Fellow in gastroenterology. Prior to relocating to Lake Charles, Dr. Marrero served as a staff physician at the Cleveland Clinic Foundation’s Digestive Disease Institute.

Before entering medical school, Dr. Marrero also served as a combat medic and orthopedic technologist in the U.S. Army Reserves. He has received several honors for his work as a gastroenterologist, including the American College of Gastroenterology’s Clinical Research Award and the American Neurogastroenterology and Motility Society Clinical Training Program Award. Dr. Marrero has also published research and lectured on a variety of topics, including esophageal disorders, irritable bowel syndrome, motor disorders of the esophagus, gastrointestinal bleeding, probiotics, pancreatitis and colon cancer screenings.

Dr. Marrero regularly participates in the Memorial/LSUHSC Family Medicine Residency Program, lecturing and precepting residents. He serves as a committee member of the American Society of Gastrointestinal Endoscopy practice operations committee. He also volunteers at the Calcasieu Community Clinic, providing free care to eligible Calcasieu residents.

Specialties:

  • Barrett’s esophagus
  • Colon cancer screening
  • Comprehensive gastrointestinal evaluation and management of symptoms Including diseases of the esophagus, stomach, small intestine, liver, pancreas, colon and rectum
  • Gastrointestinal endoscopy
  • Gastroesophageal reflux disease (GERD)/heartburn
  • Inflammatory bowel disease
  • Irritable bowel syndrome
  • Swallowing disorders

Professional Affiliations:

  • American College of Physicians
  • American Gastroenterological Association
  • American College of Gastroenterology
  • American Society of Gastrointestinal Endoscopy
  • American Neurogastroenterology and Motility Society
  • Massachusetts Medical Society
Education
  • College
  • University of Massachusetts
    Amherst, MA
  • Medical School
  • University of Massachusetts Medical School
    Worcester, MA
  • Residency
  • Cleveland Clinic
    Cleveland, OH
  • Fellowship
  • Cleveland Clinic
    Cleveland, OH
  • Training
  • U.S. Army Reserves - Combat Medic and Orthopedic Technologists
Insurances Accepted:
  • Aetna Health Inc., 
  • Blue Cross / Blue Shield, 
  • Cigna Health And Life Insurance Company, 
  • Hmo Louisiana, Inc., 
  • Humana, 
  • IMA, 
  • Louisiana Health Service & Indemnity Company, 
  • Meritain Health, 
  • Office Of Group Benefits, 
  • Other, 
  • Self Insured, 
  • United Health Care, 
  • United Medical Resources, 
  • Vantage Health Plan, Inc.
Medical Interests Special Clinical Interests:
Frequently Asked Questions
I'm a new patient. Can I fill out the paperwork before my appointment?
To help prepare for your first appointment, you can download and print new patient paperwork prior to your visit. Please click Download under Patient Forms above. If you are not able to to do this before your visit, you can fill out paperwork in the office. Please note: some clinics may have other specific forms for new patients in addition to the forms above.
It's my first visit, do I need my medical records from my previous doctor(s)?
If you have seen another physician, it is helpful to have his/her previous office records. A consent for the release of information must be signed and then we can request records from your previous physician.
Do you need my insurance information at the time of my visit?
Yes, we require your insurance card at time of service. We will file all claims to our participating insurance groups. Payment of insurance co-pays, deductibles, and all fees NOT covered by your insurance company are expected at the time of service. Fees may be paid by cash, check or credit card.
Do you need my insurance information at the time of my visit?
Yes, we require your insurance card at time of service. We will file all claims to our participating insurance groups. Payment of insurance co-pays, deductibles, and all fees NOT covered by your insurance company are expected at the time of service. Fees may be paid by cash, check or credit card.
If I call with a question for the nurse or doctor, when can I expect a callback?
Our physicians and nurses are with patients throughout the day, so it is usually not possible for them to immediately answer phone calls. We will return your call as soon as possible. To help us get back to you quickly leave your full name, date of birth, reason for the call and current phone number.
I have a question about my bill. Who do I contact?
Your Memorial Medical Group bill includes charges for goods and services rendered by your physician. Depending on your care, you may receive separate bills for services such as X-rays or lab work. You may contact our financial services department at 337.494.3265 with any questions or concerns about your bill or to pay your bill by phone. You may also visit the billing and financial services office located at 3050 Aster Street in Lake Charles. It is open Monday – Friday from 8:00 am to 4:30 pm.
I need to change my appointment. Who do I need to contact?
To make changes to your appointment, please contact your physician's office. For each physician's contact information, click here.
I would like to access my medical records. How do I do that?
Yes, we require your insurance card at time of service. We will file all claims to our participating insurance groups. Payment of insurance co-pays, deductibles, and all fees NOT covered by your insurance company are expected at the time of service. Fees may be paid by cash, check or credit card.
Do you need my insurance information at the time of my visit?
Medical records can be accessed through the Follow My Health or the My MMG patient portals. You can request a copy of your medical records by calling 337.494.3149 or faxing a request to 337.494.3148. To learn more about accessing your records or to complete a Request for Information, click here.