Dr. Mark E. Brewster
- Gender: Male
- Experience: 14 years
- Sole propriator: Yes
- NPI: 1275773046
Dr. Mark E. Brewster M.D.
Gastroenterologist
He is located at 709 4th Avenue Northeast in Watford City, ND 58854. Can help patients with the following: Abdominal Pain, Celiac Disease, Cystitis, Gallbladder Pain, Hemorrhoids, Hepatitis A (HAV). His National Provider Identifier (NPI) number is 1275773046. Appointment can be made via the phone number (701) 842-3000. He is affiliated with 1 practices.
Conditions treated
Dr. Mark Edward Brewster, 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. Mark E. Brewster.
- 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. Mark E. Brewster
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark E. Brewster as in-network for the following 2026 plans.
Health plans
Blue Cross Blue Shield of North Dakota
Network data as of Sep 11, 2026, as reported by the insurer.
Show all 14 plans from Blue Cross Blue Shield of North Dakota
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCare Bronze HSA Eligible $50 PCP Copay ($5 Value Based Drug List) | PPO · Expanded Bronze | In Network | Accepting new patients |
| BlueCare Gold $10 PCP Copay ($5 Value Based Drug List) | PPO · Gold | In Network | Accepting new patients |
| BlueCare Silver $20 PCP Copay ($5 Value Based Drug List) | PPO · Silver | In Network | Accepting new patients |
| BlueDirect Bronze 100 HSA Eligible ($8000 Deductible / $5 Preventive Drug List) | PPO · Expanded Bronze | In Network | Accepting new patients |
| BlueDirect Gold 90 HSA Eligible ($2600 Deductible / $5 Preventive Drug List) | PPO · Gold | In Network | Accepting new patients |
| BlueDirect Silver 80 HSA Eligible ($3500 Deductible / $5 Preventive Drug List) | PPO · Silver | In Network | Accepting new patients |
| BlueEssential Catastrophic 100 HSA Eligible $10600 Deductible | PPO · Catastrophic | In Network | Accepting new patients |
| BlueValue Bronze HSA Eligible $50 PCP Copay (Standardized plan) | PPO · Expanded Bronze | In Network | Accepting new patients |
| BlueValue Gold $30 PCP Copay (Standardized plan) | PPO · Gold | In Network | Accepting new patients |
| BlueValue Silver $40 PCP Copay (Standardized plan) | PPO · Silver | In Network | Accepting new patients |
| DakotaBlue Altru Gold ($5 Value Based Drug List) | PPO · Gold | In Network | Accepting new patients |
| DakotaBlue Altru Silver ($5 Value Based Drug List) | PPO · Silver | In Network | Accepting new patients |
| DakotaBlue Trinity Gold ($5 Value Based Drug List) | PPO · Gold | In Network | Accepting new patients |
| DakotaBlue Trinity Silver ($5 Value Based Drug List) | PPO · Silver | In Network | Accepting new patients |
Medica
Network data as of Jul 13, 2026, as reported by the insurer.
Show all 18 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Essentia Choice Care with Medica Bronze $0 Copay PCP Visits | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Bronze Share | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Expanded Bronze Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Gold $0 Copay PCP Visits | HMO · Gold | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Gold Share | HMO · Gold | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Gold Standard | HMO · Gold | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Silver $0 Copay PCP Visits | HMO · Silver | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Silver Share | HMO · Silver | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Silver Standard | HMO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Bronze $0 Copay PCP Visits | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Bronze Share | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Expanded Bronze Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Gold $0 Copay PCP Visits | HMO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Share | HMO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Standard | HMO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Silver $0 Copay PCP Visits | HMO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Share | HMO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Standard | HMO · Silver | Preferred | Accepting new patients |
Sanford Health Plan
Network data as of Oct 31, 2024, as reported by the insurer.
Show all 16 plans from Sanford Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Sanford Individual Simplicity $1,750 | PPO · Gold | Simplicity | Accepting new patients |
| Sanford Individual Simplicity $3,500 | PPO · Silver | Simplicity | Accepting new patients |
| Sanford Individual Simplicity $4,750 | PPO · Silver | Simplicity | Accepting new patients |
| Sanford Individual Simplicity $6,500 | PPO · Expanded Bronze | Simplicity | Accepting new patients |
| Sanford Individual Simplicity $7,200 HSA Qualified | PPO · Expanded Bronze | Simplicity | Accepting new patients |
| Sanford Individual Simplicity Standardized $2,000 | PPO · Gold | Simplicity | Accepting new patients |
| Sanford Individual Simplicity Standardized $6,000 | PPO · Silver | Simplicity | Accepting new patients |
| Sanford Individual Simplicity Standardized $7,500 | PPO · Expanded Bronze | Simplicity | Accepting new patients |
| Sanford Individual TRUE $1,750 | HMO · Gold | Shptrue | Accepting new patients |
| Sanford Individual TRUE $3,500 | HMO · Silver | Shptrue | Accepting new patients |
| Sanford Individual TRUE $4,750 | HMO · Silver | Shptrue | Accepting new patients |
| Sanford Individual TRUE $6,500 | HMO · Expanded Bronze | Shptrue | Accepting new patients |
| Sanford Individual TRUE $7,200 HSA Qualified | HMO · Expanded Bronze | Shptrue | Accepting new patients |
| Sanford Individual TRUE Standardized $2,000 | HMO · Gold | Shptrue | Accepting new patients |
| Sanford Individual TRUE Standardized $6,000 | HMO · Silver | Shptrue | Accepting new patients |
| Sanford Individual TRUE Standardized $7,500 | HMO · Expanded Bronze | Shptrue | 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. Mark E. Brewster 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. Mark E. Brewster is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Bills through: Mckenzie County Healthcare Systems 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
| Pentax Of America | $229 |
| Janssen | $158 |
| Gilead Sciences | $137 |
Other
| Food and Beverage | $1152 |
Additional Specialities
- Internist
Sanctions
| Date | Description | Board |
|---|---|---|
| 09/20/2018 | Felony conviction relating to controlled substance. Minimum Period: 5 years | Department of Health and Human Services |
Questions & Answers
Where can you meet with Dr. Mark Edward Brewster?
Dr. Mark Edward Brewster's office is located at 709 4th Avenue Northeast in Watford City, ND 58854.
What conditions does Dr. Mark Edward Brewster treat?
Dr. Mark Edward Brewster provides treatment for Abdominal Pain, Celiac Disease, Cystitis, Gallbladder Pain, Hemorrhoids, Hepatitis A (HAV). For the full list see this list.
Does Dr. Mark Edward Brewster accept patients with Blue Cross Blue Shield of North Dakota?
Yes, Dr. Mark Edward Brewster is listed in-network for Blue Cross Blue Shield of North Dakota through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Does Dr. Mark Edward Brewster have affiliation with practices?
Dr. Mark Edward Brewster is affiliated with University Health Center.