HM
33 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mertz, Gastroenterologist in Nashville, TN?
Dr. Howard Mertz, MD is a Gastroenterologist, who primarily practices in Nashville, TN with 1 additional practice location. He has been practicing for over 33 years and is board certified by the American Board of Internal Medicine. Dr. Mertz graduated from Baylor College of Medicine and completed his residency at Johns Hopkins Hosp, Internal Medicine. Dr. Mertz is fluent in English and Spanish, and is currently seeing new patients. Dr. Mertz’s practice accepts Medicare, UnitedHealthcare, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mertz’s office at (615) 383-0165.
What are Areas of Expertise for Dr. Mertz?
Dr. Howard Mertz, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Mertz empowers patients to confidently navigate their health journey, specializing in Colonoscopy & Polypectomy, Endoscopic Ultrasound, Inflammatory Bowel Disease, or comprehensive wellness support. Serving the Nashville/TN community, Dr. Mertz is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Mertz go to medical school and complete their residency?
Residency: Johns Hopkins Hosp, Internal Medicine | Johns Hopkins Bloomberg School of Public Health Program A
Medical School: Baylor College of Medicine
Is Dr. Mertz board certified in Gastroenterologist?
Yes, Dr. Howard Mertz, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Mertz speak?
Dr. Mertz and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Mertz treat?
As a Gastroenterologist, Dr. Mertz diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Mertz. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Irritable Bowel Syndrome (IBS)
- Irritable Bowel Syndrome with Diarrhea
- Irritable Bowel Syndrome
- Spastic Colon
- Functional Bowel Disorder
- IBS
- IBS-D
- Diarrhea-Predominant IBS
- Spastic Colon with Diarrhea
ICD-10 Codes:
- K589: Irritable bowel syndrome, unspecified
- K580: Irritable bowel syndrome with diarrhea
Also known as:
- Other Specific Pancreatic Disease
- Pancreatic Cyst
- Pancreatic Disease
- Miscellaneous Pancreas Disorders
- Named Pancreatic Conditions
- Other Defined Pancreas Problems
- Cyst on Pancreas
- Pancreatic Pseudocyst
- Fluid Sac on Pancreas
ICD-10 Codes:
- K8689: Other specified diseases of pancreas
- K862: Cyst of pancreas
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Cirrhosis
- Liver scarring
- End-stage liver disease
- Chronic liver failure
ICD-10 Codes:
- K7460: Unspecified cirrhosis of liver
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Abnormal Bowel Movements
- Bowel Movement
- Unusual stool
- Changes in poop
- Fecal changes
ICD-10 Codes:
- R195: Other fecal abnormalities
Also known as:
- Abnormal Digestive Tract Imaging
- Abnormal GI scan
- Unusual digestive imaging
- Digestive system imaging findings
ICD-10 Codes:
- R933: Abnormal findings on diagnostic imaging of other parts of digestive tract
Also known as:
- Crohn's Disease
- Crohn’s Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Terminal Ileitis
ICD-10 Codes:
- K5090: Crohn's disease, unspecified, without complications
Which procedures does Dr. Mertz perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Howard Mertz may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Mertz's office.
Does Dr. Mertz accept my insurance?
Dr. Mertz accepts most major insurance plans. Important: Please call our office at (615) 383-0165 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mertz accept in Nashville, TN?
Dr. Mertz in Nashville, TN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
BlueCross BlueShield of Tennessee
Centene
CVS Health (formerly Aetna)
Express Scripts
Humana
Medicare
Oscar Health Insurance Co
Other TPA
UnitedHealthcare
View All Insurances
Where is Dr. Mertz's office located?
What is Dr. Mertz's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mertz's National Provider Identifier (NPI) number is 1649278474.
What common questions do patients ask about Dr. Mertz?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mertz
What is Dr. Howard Mertz's specialty?
Dr. Mertz is a Gastroenterologist near Nashville, TN. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Mertz to book an appointment today.
Is this Dr. Howard Mertz affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mertz is affiliated with TriStar Centennial Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Howard Mertz accepting new patients in Nashville, TN?
Yes, Dr. Howard Mertz is accepting new patients at this time.
Does Dr. Howard Mertz offer online booking?
Please contact Dr. Mertz's office at (615) 383-0165 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Howard Mertz?
Please contact Dr. Mertz's office at (615) 383-0165 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Howard Mertz have?
Dr. Howard Mertz is certified by the American Board of Internal Medicine.
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