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Dr. Zachary Callahan, MD

Nashville, TN

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Callahan, Surgeon in Nashville, TN?

    Dr. Zachary Callahan, MD is a Surgeon, who primarily practices in Nashville, TN with 2 additional practice locations. Dr. Callahan is fluent in English, and is currently seeing new patients. Dr. Callahan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Callahan’s office at (615) 292-7708.

    What languages does Dr. Callahan speak?

    Dr. Callahan and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Callahan treat?

    As a Surgeon, Dr. Callahan 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. Callahan. 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:

    • Severe Obesity
    • Obesity
    • Helping Your Child Who Is Overweight
    • Take Charge of Your Health: A Guide for Teenagers
    • Understanding Adult Overweight & Obesity
    • Morbid Obesity
    • Extreme Obesity
    • Class 3 Obesity

    ICD-10 Codes:

    • E6601: Morbid (severe) obesity due to excess calories

    Also known as:

    • Diaphragmatic Hernia
    • Groin Hernia (One Side)
    • Hernia
    • Inguinal Hernia
    • Hiatal Hernia
    • Hernia of the Diaphragm
    • Unilateral Inguinal Hernia
    • Single Groin Hernia
    • Hernia in One Groin

    ICD-10 Codes:

    • K449: Diaphragmatic hernia without obstruction or gangrene
    • K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent

    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:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Vitamin Deficiency
    • Malnutrition
    • Vitamins
    • Lack of Vitamins
    • Low Vitamin Levels
    • Avitaminosis

    ICD-10 Codes:

    • E569: Vitamin deficiency, unspecified

    Also known as:

    • Intestinal Obstruction
    • Bowel Obstruction
    • Blocked Intestines
    • Gut Blockage

    ICD-10 Codes:

    • K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction

    What procedures does Dr. Callahan perform?

    As a Surgeon, Dr. Callahan performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Callahan. 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:

    • Laparoscopic Repair of Paraesophageal Hernia (No Mesh)
    • Laparoscopic Inguinal Hernia Repair
    • Laparoscopic Paraesophageal Hernia Repair with Mesh
    • Abdominal Hernia Repair with Mesh
    • Keyhole Paraesophageal Hernia Repair
    • Laparoscopic Hiatal Hernia Repair
    • Fundoplasty (Laparoscopic)
    • Keyhole Groin Hernia Surgery
    • Minimally Invasive Hernia Repair
    • Laparoscopic Hernioplasty
    • Hiatal Hernia Repair with Mesh
    • Paraesophageal Hernia Surgery
    • Laparoscopic Hernia Fix
    • Ventral Hernia Repair
    • Umbilical Hernia Repair
    • Incisional Hernia Repair
    • Epigastric Hernia Surgery

    CPT Codes:

    • 43281: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; without implantation of mesh
    • 49650: Laparoscopy, surgical; repair initial inguinal hernia
    • 43282: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; with implantation of mesh
    • 49593: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); 3 cm to 10 cm, reducible

    Also known as:

    • Diagnostic Upper Endoscopy with Biopsy
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample

    CPT Codes:

    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Laparoscopic Gastric Bypass Surgery
    • Laparoscopic Sleeve Gastrectomy
    • Partial Gastrectomy with Roux-en-Y Reconstruction
    • Weight Loss Surgery
    • Laparoscopy
    • Roux-en-Y gastric bypass
    • Bariatric surgery
    • Minimally invasive gastric bypass
    • Weight loss surgery
    • Gastric Sleeve Surgery
    • Longitudinal Gastrectomy
    • Laparoscopic Weight Loss Surgery
    • Stomach removal with Roux-en-Y
    • Distal gastrectomy
    • Gastric resection with reconstruction
    • Roux-en-Y stomach surgery

    CPT Codes:

    • 43644: Laparoscopy, surgical, gastric restrictive procedure; with gastric bypass and Roux-en-Y gastroenterostomy (roux limb 150 cm or less)
    • 43775: Laparoscopy, surgical, gastric restrictive procedure; longitudinal gastrectomy (ie, sleeve gastrectomy)
    • 43633: Gastrectomy, partial, distal; with Roux-en-Y reconstruction

    Also known as:

    • Laparoscopic Gallbladder Removal
    • Laparoscopic Gallbladder Removal with X-ray
    • Keyhole Gallbladder Surgery
    • Cholecystectomy Laparoscopic
    • Minimally Invasive Gallbladder Surgery
    • Cholecystectomy with Cholangiography
    • Minimally Invasive Gallbladder Removal

    CPT Codes:

    • 47562: Laparoscopy, surgical; cholecystectomy
    • 47563: Laparoscopy, surgical; cholecystectomy with cholangiography

    Also known as:

    • Upper Endoscopy with Stomach/Duodenum Dilation
    • EGD with Dilation
    • Esophageal Dilation
    • Stomach Stricture Widening
    • Duodenal Stricture Repair

    CPT Codes:

    • 43245: Esophagogastroduodenoscopy, flexible, transoral; with dilation of gastric/duodenal stricture(s) (eg, balloon, bougie)

    Also known as:

    • Laparoscopic Appendectomy
    • Minimally Invasive Appendectomy
    • Keyhole Appendectomy
    • Scope Appendectomy

    CPT Codes:

    • 44970: Laparoscopy, surgical, appendectomy

    Also known as:

    • POEM Procedure (Esophageal Myotomy)
    • Peroral Endoscopic Myotomy
    • Esophageal Muscle Cutting
    • Achalasia Treatment
    • Transoral Esophageal Myotomy

    CPT Codes:

    • 43497: Lower esophageal myotomy, transoral (ie, peroral endoscopic myotomy [POEM])

    Also known as:

    • Feeding Tube Conversion (Stomach to Small Intestine)
    • Gastrostomy to Jejunostomy Tube Conversion
    • Jejunostomy Tube Placement
    • Small Bowel Endoscopy with Tube Change

    CPT Codes:

    • 44373: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; with conversion of percutaneous gastrostomy tube to percutaneous jejunostomy tube

    Also known as:

    • Upper Endoscopy for Foreign Body Removal
    • EGD for Foreign Body
    • Gastroscopy for Object Removal
    • Esophagogastroduodenoscopy for Foreign Body

    CPT Codes:

    • 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)

    Also known as:

    • Feeding Tube Placement with Endoscopy
    • PEG Tube Placement
    • Gastrostomy Tube Insertion
    • EGD with Feeding Tube
    • Percutaneous Endoscopic Gastrostomy

    CPT Codes:

    • 43246: Esophagogastroduodenoscopy, flexible, transoral; with directed placement of percutaneous gastrostomy tube

    Also known as:

    • Laparoscopic Acid Reflux Surgery
    • Nissen Fundoplication
    • Toupet Fundoplication
    • Laparoscopic Fundoplasty

    CPT Codes:

    • 43280: Laparoscopy, surgical, esophagogastric fundoplasty (eg, Nissen, Toupet procedures)

    Also known as:

    • Esophageal Balloon Distension Study
    • Esophageal distension test
    • Balloon provocation test
    • Esophageal pain study

    CPT Codes:

    • 91040: Esophageal balloon distension study, diagnostic, with provocation when performed

    Does Dr. Callahan accept my insurance?

    Dr. Callahan accepts most major insurance plans. Important: Please call our office at (615) 292-7708 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Callahan accept in Nashville, TN?

    Dr. Callahan 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

    • MedImpact

    • Oscar Health Insurance Co

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Callahan's office located?

    Dr. Zachary Callahan's Primary Practice

    2201 Murphy Ave Ste 101

    Nashville, TN 37203

    (615) 292-7708

    Get Directions

    Dr. Zachary Callahan's Practice 2

    3024 Business Park Cir

    Goodlettsville, TN 37072

    Get Directions

    Dr. Zachary Callahan's Practice 3

    410 42nd Ave N Ste 400

    Nashville, TN 37209

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    What is Dr. Callahan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Callahan's National Provider Identifier (NPI) number is 1679969067.

    What common questions do patients ask about Dr. Callahan?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Callahan

    What is Dr. Zachary Callahan's specialty?

    Dr. Callahan is a Surgeon near Nashville, TN. General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery. Contact Dr. Callahan to book an appointment today.

    Is this Dr. Zachary Callahan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Callahan is affiliated with Ascension Saint Thomas Hospital West, TriStar Centennial Medical Center, West Tennessee Healthcare Jackson-Madison County General Hospital, TriStar Hendersonville Medical Center, West Tennessee Healthcare Henry County Hospital, Cookeville Regional Medical Center which are a Castle Connolly Top Hospitals. 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 Surgeon?

    Explore Surgeon 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 Zachary Callahan accepting new patients in Nashville, TN?

    Yes, Dr. Zachary Callahan is accepting new patients at this time.

    Does Dr. Zachary Callahan offer online booking?

    Please contact Dr. Callahan's office at (615) 292-7708 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Zachary Callahan?

    Please contact Dr. Callahan's office at (615) 292-7708 for information regarding telehealth appointment availability or for scheduling assistance.

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