Dr. Carl L. Berg
- Gender: Male
- Experience: 35 years
- Graduated from: Washington University School Of Medicine
- Graduation year: 1986
- Sole propriator: No
- NPI: 1144399767
Dr. Carl L. Berg MD
Gastroenterologist
He is located at 40 Duke Medicine Circle in Durham, NC 27710. Can help patients with the following: Acute Pain, Botulism, Fatty Liver Disease, Heartburn, Hemorrhoids, Indigestion. His National Provider Identifier (NPI) number is 1144399767. Appointment can be made via the phone number (919) 684-8111. He is affiliated with 2 practices and 3 hospitals.
Conditions treated
Dr. Carl L. Berg, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Carl L. Berg.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Carl L. Berg
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Carl L. Berg as in-network for the following 2026 plans.
Health plans
Ambetter of North Carolina
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 29 plans from Ambetter of North Carolina
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Clear Silver with $0 Insulin Options | HMO · Silver | Preferred | Accepting new patients |
| Complete Gold | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold with Atrium Health | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold with Atrium Health + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Elite Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze with Atrium Health + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Enhanced Asthma/COPD Care Silver with $0 Drug Options | HMO · Silver | Preferred | Accepting new patients |
| Enhanced Asthma/COPD Care Silver with $0 Drug Options + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze with Atrium Health + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Focused Silver with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Focused Silver with Atrium Health + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze with Atrium Health + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold with Atrium Health | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold with Atrium Health + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver with Atrium Health + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Carl L. Berg is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Carl L. Berg is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Duke University Health System, Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Grifols | $4366 |
Other
| Consulting | $3500 |
| Travel and Lodging | $559 |
| Food and Beverage | $307 |
Studies
WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1986Additional Specialities
- Internist
Affiliated hospitals
Looking for more Gastroenterologists?
Out of the 19 gastroenterologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Female
- Address: Suite 3107BOX 200 Duke Medical Center Durham, 27710, NC
- Gender: Male
- Address: 40 Duke Medicine Circle Durham, 27710, NC
- Gender: Female
- Address: 3480 Wake Forest Road Suite 500 Raleigh, 27609, NC
- Gender: Female
- Address: 200 Duke Medical Center Durham, 27710, NC
- Gender: Male
- Address: 2000 Transmountain Road Suite 120A&B El Paso, 79911, TX
- Gender: Male
- Address: 111 Hospital Drive Utica, 13502, NY
- Gender: Male
- Address: 40 Duke Medicine Circle Durham, 27710, NC
- Gender: Male
- Address: 3913 Duke Medical Center Durham, 27710, NC
- Gender: Male
- Address: 3913 Duke Medical Center Durham, 27710, NC
Questions & Answers
Has Dr. Carl L. Berg affiliation with hospitals?
Dr. Carl L. Berg is affiliated with DUKE UNIVERSITY HOSPITAL. For the full list of hospitals see this list.
Does Dr. Carl L. Berg accept patients with Ambetter of North Carolina?
Yes, Dr. Carl L. Berg is listed in-network for Ambetter of North Carolina through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Carl L. Berg?
Dr. Carl L. Berg's office is located at 40 Duke Medicine Circle in Durham, NC 27710.
What conditions does Dr. Carl L. Berg treat?
Dr. Carl L. Berg provides treatment for Acute Pain, Botulism, Fatty Liver Disease, Heartburn, Hemorrhoids, Indigestion. For the full list see this list.
Does Dr. Carl L. Berg have affiliation with practices?
Dr. Carl L. Berg is affiliated with Duke Health Center of Clayton. For the full list of practices see this list.