Summary

Dr. Howard Mertz specializes in gastroenterology and internal medicine, bringing four decades of medical expertise to his practice. He earned his medical degree from Baylor College of Medicine and completed his residency training at Johns Hopkins Health System. His extensive experience spans 40 years of caring for patients with digestive health concerns. Dr. Mertz communicates with patients in English.

Dr. Mertz practices at multiple locations throughout Nashville, Tennessee, with hospital affiliations at Ascension Saint Thomas Hospital West and Tristar Centennial Medical Center. He focuses on treating common digestive conditions such as colon polyps, GERD, and acid reflux. His procedural expertise includes performing colonoscopies and lower GI endoscopy procedures. Patients have given him an average rating of 3.4 on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 3.4
  • 40 years of experience
  • speaks English
  • Johns Hopkins Health System
  • 8 written reviews
  • 2 specialties
  • 13 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Howard Randall Mertz has 4 locations

Nashville Gastrointestinal Specialist

4230 Harding Pike Ste 309Nashville, TN 37205
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 - 4:30 pm
SatClosed
SunClosed

Nashville Gastrointestinal Specialists

4230 Harding Pike Ste 309WNashville, TN 37205

Tristar Centennial Medical Center

2300 Patterson StNashville, TN 37203

The Endoscopy Center Of Saint Thomas

4230 Harding Pike Ste 400Nashville, TN 37205
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Howard Randall Mertz, MD
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Dr. Howard Randall Mertz, MDAshley Anderson, APRNJan Seiler, APRNShauna Sanderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
40 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Nashville , TNSACRAMENTO , CAMontgomery , ALTallahassee , FL
Med School: Baylor College Of Medicine Med School: East Tennessee State University - Quillen College of Medicine Med School: Georgia State University Med School: Creighton University College of Nursing
Current Profile
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Insurance Plans Accepted by Dr. Howard Randall Mertz

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Howard Randall Mertz has the following 2 specialties

Specialty Expertise

Dr. Howard Randall Mertz has the following 13 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis
  • Ultrasonic Endoscopy (EUS)

Certifications, License, & Education

40 Years Experience

MEDICAL LICENSE

Medical Doctor, Tennessee, 2026, Active

EDUCATION & TRAINING

Residency

Johns Hopkins Health System

Medical School

Baylor College Of MedicineGraduated in 1986

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Frequently Asked Questions

Does Dr. Howard Mertz accept virtual/telehealth appointments?
Dr. Howard Mertz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Howard Mertz?
You can find contact information for Dr. Howard Mertz here on Vitals.
Is Dr. Howard Mertz accepting new patients?
Dr. Howard Mertz is accepting new patients on Vitals. View Dr. Howard Mertz's profile on Vitals to make an appointment.
Which hospitals is Dr. Howard Mertz affiliated with?
Dr. Howard Mertz is affiliated with Ascension Saint Thomas Hospital West and Tristar Centennial Medical Center.
What languages does Dr. Howard Mertz speak?
Dr. Howard Mertz speaks English.

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