AS
28 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Stefan, Gastroenterologist in Portland, ME?
Dr. Andreas Stefan, MD is a Gastroenterologist, who primarily practices in Portland, ME. He has been practicing for over 28 years and is board certified. Dr. Stefan graduated from University of Minnesota Med School. Dr. Stefan is fluent in English, and is currently seeing new patients. Dr. Stefan’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Stefan’s office at (207) 773-7964.
Where did Dr. Stefan go to medical school and complete their residency?
Medical School: University of Minnesota Med School
What languages does Dr. Stefan speak?
Dr. Stefan and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Stefan treat?
As a Gastroenterologist, Dr. Stefan 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. Stefan. 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:
- 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:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Benign Ascending Colon Polyp
- Benign Transverse Colon Polyp
- Benign Cecum Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D123: Benign neoplasm of transverse colon
- D120: Benign neoplasm of cecum
Also known as:
- Blocked Bile Duct
- Bile Duct Disease
- Biliary Obstruction
- Bile Duct Blockage
- Obstructed Bile Duct
ICD-10 Codes:
- K831: Obstruction of bile duct
Also known as:
- Crohn's Disease Affecting Small and Large Intestines
- Crohn's Disease of the Small Intestine
- Crohn's Disease
- Crohn’s Disease
- Panenteric Crohn's Disease
- Crohn's of Both Bowels', 'Generalized Crohn's Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Ileitis
ICD-10 Codes:
- K5080: Crohn's disease of both small and large intestine without complications
- K5000: Crohn's disease of small intestine without complications
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Ulcerative Pancolitis
- Ulcerative Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
- Inflammatory Bowel Disease (IBD)
- Colitis
- Chronic Colitis
ICD-10 Codes:
- K5100: Ulcerative (chronic) pancolitis without complications
- K5190: Ulcerative colitis, unspecified, without complications
Also known as:
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2970: Gastritis, unspecified, without bleeding
Also known as:
- Chronic Pancreatitis
- Pancreatitis
- Hereditary pancreatitis
- Long-Term Pancreas Inflammation
- Ongoing Pancreatitis
ICD-10 Codes:
- K861: Other chronic pancreatitis
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:
- Non-Infectious Gastroenteritis and Colitis
- Digestive Disease
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- K529: Noninfective gastroenteritis and colitis, unspecified
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Bile Duct Stones
- Gallstones
- Choledocholithiasis
- Biliary duct calculi
ICD-10 Codes:
- K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction
Also known as:
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
Which procedures does Dr. Stefan perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Andreas Stefan 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. Stefan's office.
Does Dr. Stefan accept my insurance?
Dr. Stefan accepts most major insurance plans. Important: Please call our office at (207) 773-7964 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Stefan accept in Portland, ME?
Dr. Stefan in Portland, ME accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Community Care Plan
Community Health Options
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Martin's Point
Medicare
Point32Health
State of Maine
UnitedHealthcare
View All Insurances
Where is Dr. Stefan's office located?
What is Dr. Stefan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Stefan's National Provider Identifier (NPI) number is 1831299460.
What common questions do patients ask about Dr. Stefan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Stefan
What is Dr. Andreas Stefan's specialty?
Dr. Stefan is a Gastroenterologist near Portland, ME. 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. Stefan to book an appointment today.
Is this Dr. Andreas Stefan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Stefan is affiliated with Mainehealth Maine Medical Center Portland 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 Andreas Stefan accepting new patients in Portland, ME?
Yes, Dr. Andreas Stefan is accepting new patients at this time.
Does Dr. Andreas Stefan offer online booking?
Please contact Dr. Stefan's office at (207) 773-7964 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Andreas Stefan?
Please contact Dr. Stefan's office at (207) 773-7964 for information regarding telehealth appointment availability or for scheduling assistance.
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