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Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hsu, Gastroenterologist in Portland, ME?
Dr. Andrew Hsu, MD is a Gastroenterologist, who primarily practices in Portland, ME with 2 additional practice locations. Dr. Hsu is fluent in English, and is currently seeing new patients. Dr. Hsu’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hsu’s office at (207) 535-1100.
What languages does Dr. Hsu speak?
Dr. Hsu and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Hsu treat?
As a Gastroenterologist, Dr. Hsu 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. Hsu. 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:
- Benign Ascending Colon Polyp
- Benign Transverse Colon Polyp
- Benign Cecum Polyp
- Benign Sigmoid Colon Polyp
- Benign Descending Colon 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
- Non-cancerous sigmoid colon growth
- Sigmoid colon adenoma
- Sigmoid colon benign tumor
- Non-cancerous descending colon growth
- Descending colon adenoma
- Descending colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D123: Benign neoplasm of transverse colon
- D120: Benign neoplasm of cecum
- D125: Benign neoplasm of sigmoid colon
- D124: Benign neoplasm of descending 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:
- Eosinophilic Esophagitis
- Blocked Esophagus
- Esophagus Disorder
- EoE
- Allergic Esophagitis
- Eosinophilic Inflammation of Esophagus
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K200: Eosinophilic esophagitis
- K222: Esophageal obstruction
Also known as:
- Stomach or Duodenum Polyp
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K317: Polyp of stomach and duodenum
- K3189: Other diseases of stomach and duodenum
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:
- First Degree Hemorrhoids
- Hemorrhoids
- Internal hemorrhoids
- Grade 1 hemorrhoids
- Mild hemorrhoids
ICD-10 Codes:
- K640: First degree hemorrhoids
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
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
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
What procedures does Dr. Hsu perform?
As a Gastroenterologist, Dr. Hsu 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. Hsu. 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:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Tissue Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible colonoscopy with EMR
- Endoscopic mucosal resection (colon)
- Colon polyp removal during colonoscopy
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45390: Colonoscopy, flexible; with endoscopic mucosal resection
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:
- EGD with Esophageal Balloon Dilation
- Diagnostic Upper Endoscopy with Biopsy
- Esophagus Widening Procedure (Endoscopic)
- Colonoscopy with Injections
- Flexible Sigmoidoscopy with Biopsy
- Upper Endoscopy with Varices Banding
- Upper Endoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- EGD with Band Ligation
- Esophageal Varices Banding
- Gastric Varices Treatment
- EGD with Submucosal Injections
- Esophagogastroduodenoscopy with Injections
- Stomach Scope with Medication
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 43244: Esophagogastroduodenoscopy, flexible, transoral; with band ligation of esophageal/gastric varices
- 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance
Also known as:
- Upper Endoscopy with Polyp Removal
- Upper Endoscopy with Ultrasound (EUS)
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
- EGD with endoscopic ultrasound
- Esophageal ultrasound
- Stomach ultrasound endoscopy
- Duodenal ultrasound endoscopy
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis
Also known as:
- ERCP with Stent Placement
- Endoscopic Retrograde Cholangiopancreatography with Stent
- Bile Duct Stent Placement via ERCP
- Pancreatic Duct Stent Placement via ERCP
CPT Codes:
- 43274: Endoscopic retrograde cholangiopancreatography (ERCP); with placement of endoscopic stent into biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent
Also known as:
- ERCP with Gallstone Removal
- ERCP
- Endoscopic Gallstone Removal
- Biliary Duct Stone Removal
- Pancreatic Duct Cleaning
CPT Codes:
- 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Does Dr. Hsu accept my insurance?
Dr. Hsu accepts most major insurance plans. Important: Please call our office at (207) 535-1100 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hsu accept in Portland, ME?
Dr. Hsu in Portland, ME accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
First Medical Health Plan
Humana
Martin's Point
Medicaid
Medicare
State of Tennessee
View All Insurances
Where is Dr. Hsu's office located?
What is Dr. Hsu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hsu's National Provider Identifier (NPI) number is 1003270471.
What common questions do patients ask about Dr. Hsu?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hsu
What is Dr. Andrew Hsu's specialty?
Dr. Hsu 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. Hsu to book an appointment today.
Is this Dr. Andrew Hsu affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hsu is affiliated with Northern Light Mercy Hospital, MaineHealth Maine Medical Center Portland, Northern Light Eastern Maine Medical Center, Mid Coast Hospital, Carson Tahoe 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 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 Andrew Hsu accepting new patients in Portland, ME?
Yes, Dr. Andrew Hsu is accepting new patients at this time.
Does Dr. Andrew Hsu offer online booking?
Please contact Dr. Hsu's office at (207) 535-1100 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Andrew Hsu?
Please contact Dr. Hsu's office at (207) 535-1100 for information regarding telehealth appointment availability or for scheduling assistance.
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