Dr. Nizar P. Hallak
- Gender: Male
- Experience: 16 years
- Graduation year: 2005
- Sole propriator: No
- NPI: 1861627697
Dr. Nizar P. Hallak M.D.
Gastroenterologist
He is located at 3 Richland Medical Park Drive Suite 120 in Columbia, SC 29203. Can help patients with the following: Celiac Disease, Colonoscopy, Common Cold, Constipation, General Care, Helicobacter Pylori Infection. His National Provider Identifier (NPI) number is 1861627697. Appointment can be made via the phone number (803) 434-8866. He is affiliated with 3 practices and 2 hospitals.
Conditions treated
Dr. Nizar P. Hallak, 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. Nizar P. Hallak.
- 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. Nizar P. Hallak
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Nizar P. Hallak as in-network for the following 2026 plans.
Health plans
Ambetter from Absolute Total Care
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 9 plans from Ambetter from Absolute Total Care
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Elite Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental | HMO · Expanded Bronze | 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 |
| Focused Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | 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 |
First Choice Next
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 8 plans from First Choice Next
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| First Choice Next Bronze Essential | HMO · Bronze | Preferred | Accepting new patients |
| First Choice Next Bronze Premier | HMO · Expanded Bronze | Preferred | Accepting new patients |
| First Choice Next Bronze Signature | HMO · Expanded Bronze | Preferred | Accepting new patients |
| First Choice Next Gold Premier | HMO · Gold | Preferred | Accepting new patients |
| First Choice Next Gold Signature | HMO · Gold | Preferred | Accepting new patients |
| First Choice Next Silver Essential | HMO · Silver | Preferred | Accepting new patients |
| First Choice Next Silver Premier | HMO · Silver | Preferred | Accepting new patients |
| First Choice Next Silver Signature | 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. Nizar P. Hallak 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. Nizar P. Hallak is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Ascension Medical Group-southeast Wisconsin 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
| AbbVie | $693 |
| Takeda | $483 |
| Janssen | $329 |
Other
| Food and Beverage | $2693 |
Studies
Graduated in 2005Additional Specialities
- Internist
Affiliated practices
Looking for more Gastroenterologists?
There are 6 other gastroenterologists in this region.
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- Address: 171 Ashley Avenue Charleston, 29425, SC
- Gender: Male
- Address: 4605 Monticello Road Columbia, 29203, SC
- Gender: Female
- Address: 10000 West Colonial Drive Suite 289 Ocoee, 34761, FL
- Gender: Male
- Address: 4150 Barrett Boulevard Suite 200 Ephrata, 17522, PA
- Gender: Female
- Address: Suite 100 8 Richland Medical Park Drive Columbia, 29203, SC
- Gender: Male
- Address: 6439 Garners Ferry Road Columbia, 29209, SC
- Gender: Male
- Address: Suite 201 4100 North Main Street Columbia, 29203, SC
Questions & Answers
Where can you meet with Dr. Nizar P. Hallak?
Dr. Nizar P. Hallak's office is located at 3 Richland Medical Park Drive Suite 120 in Columbia, SC 29203.
Has Dr. Nizar P. Hallak affiliation with hospitals?
Dr. Nizar P. Hallak is affiliated with PALMETTO HEALTH RICHLAND. For the full list of hospitals see this list.
Does Dr. Nizar P. Hallak accept patients with Ambetter from Absolute Total Care?
Yes, Dr. Nizar P. Hallak is listed in-network for Ambetter from Absolute Total Care through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Does Dr. Nizar P. Hallak have affiliation with practices?
Dr. Nizar P. Hallak is affiliated with Aurora Advanced Healthcare. For the full list of practices see this list.
What conditions does Dr. Nizar P. Hallak treat?
Dr. Nizar P. Hallak provides treatment for Celiac Disease, Colonoscopy, Common Cold, Constipation, General Care, Helicobacter Pylori Infection. For the full list see this list.