Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Duncan, Gastroenterologist in Lewistown, PA?
Dr. Marten Duncan, DO is a Gastroenterologist, who primarily practices in Lewistown, PA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Duncan completed his residency at Nat'L Capital Consortium, Gastroenterology; Madigan Army Med Ctr, Internal Medicine. Dr. Duncan is fluent in English, and is currently seeing new patients. Dr. Duncan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Duncan’s office at (800) 275-6401.
Where did Dr. Duncan go to medical school and complete their residency?
Residency: Nat'L Capital Consortium, Gastroenterology; Madigan Army Med Ctr, Internal Medicine
Is Dr. Duncan board certified in Gastroenterologist?
Yes, Dr. Marten Duncan, DO is board certified by the American Board of Internal Medicine
What languages does Dr. Duncan speak?
Dr. Duncan and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Duncan treat?
As a Gastroenterologist, Dr. Duncan 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. Duncan. 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:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Gastrointestinal Device Fitting and Adjustment
- GI Appliance Fitting
- Digestive Device Adjustment
- Enteral Device Care
ICD-10 Codes:
- Z4659: Encounter for fitting and adjustment of other gastrointestinal appliance and device
Also known as:
- Bile Duct Stones
- Obstructed Bile Duct Stones
- Gallstones
- Choledocholithiasis
- Biliary duct calculi
- Blocked bile duct stones
- Obstructive choledocholithiasis
ICD-10 Codes:
- K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction
- K8051: Calculus of bile duct without cholangitis or cholecystitis with obstruction
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Pancreatic Cyst
- Other Specific Pancreatic Disease
- Pancreatic Disease
- Cyst on Pancreas
- Pancreatic Pseudocyst
- Fluid Sac on Pancreas
- Miscellaneous Pancreas Disorders
- Named Pancreatic Conditions
- Other Defined Pancreas Problems
ICD-10 Codes:
- K862: Cyst of pancreas
- K8689: Other specified diseases of pancreas
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
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:
- Pre-Procedure Lab Tests
- Pre-op blood work
- Lab tests before surgery
- Pre-treatment lab assessment
ICD-10 Codes:
- Z01812: Encounter for preprocedural laboratory examination
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Abnormal Digestive Tract Imaging
- Abnormal GI scan
- Unusual digestive imaging
- Digestive system imaging findings
ICD-10 Codes:
- R933: Abnormal findings on diagnostic imaging of other parts of digestive tract
Also known as:
- Digestive System Growth of Unknown Type
- Digestive Disease
- Digestive tract tumor of unknown nature
- GI growth of unknown type
- Indeterminate digestive mass
ICD-10 Codes:
- D490: Neoplasm of unspecified behavior of digestive system
Also known as:
- Other Specific Abnormal Blood Chemistry Results
- Blood
- Specified Blood Chemistry Imbalance
- Unusual Blood Chemistry Findings
- Specific Blood Panel Abnormalities
ICD-10 Codes:
- R7989: Other specified abnormal findings of blood chemistry
Also known as:
- Other Specific Bile Duct and Gallbladder Disease
- Bile Duct Disease
- Gallbladder Disease
- Specific Biliary Disorders
- Named Bile Duct Conditions
- Other Defined Biliary Diseases
ICD-10 Codes:
- K838: Other specified diseases of biliary tract
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
Also known as:
- Chronic Pancreatitis
- Pancreatitis
- Hereditary pancreatitis
- Long-Term Pancreas Inflammation
- Ongoing Pancreatitis
ICD-10 Codes:
- K861: Other chronic pancreatitis
Which procedures does Dr. Duncan perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Marten Duncan 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. Duncan's office.
Does Dr. Duncan accept my insurance?
Dr. Duncan accepts most major insurance plans. Important: Please call our office at (800) 275-6401 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Duncan accept in Lewistown, PA?
Dr. Duncan in Lewistown, PA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Bankers
CVS Health (formerly Aetna)
Department of Defense / Tricare
Highmark Inc.
Independence Blue Cross
Medicare
State of Pennsylvania
UnitedHealthcare
UPMC Health Plan
View All Insurances
Where is Dr. Duncan's office located?
Dr. Marten Duncan's Primary Practice
310 Electric Ave Ste 240
Lewistown, PA 17044
(800) 275-6401
What is Dr. Duncan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Duncan's National Provider Identifier (NPI) number is 1215037312.
What common questions do patients ask about Dr. Duncan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Duncan
What is Dr. Marten Duncan's specialty?
Dr. Duncan is a Gastroenterologist near Lewistown, PA. 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. Duncan to book an appointment today.
Is this Dr. Marten Duncan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Duncan is affiliated with Geisinger-Lewistown Hospital, Geisinger 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 Marten Duncan accepting new patients in Lewistown, PA?
Yes, Dr. Marten Duncan is accepting new patients at this time.
Does Dr. Marten Duncan offer online booking?
Please contact Dr. Duncan's office at (800) 275-6401 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Marten Duncan?
Please contact Dr. Duncan's office at (800) 275-6401 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Marten Duncan have?
Dr. Marten Duncan is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near Lewistown, PA
MC
Gastroenterologist
Accepting patientsDr. Mitchell Conn, MD is a Gastroenterologist, who primarily practices in State College, PA with 2 additional practice locations. He has been practicing for over 39 years and is board certified by the American Board of Internal Medicine.
State College, PA
Accepting patientsDr. Frank Jackson, MD is a Gastroenterologist, who primarily practices in Camp Hill, PA with 1 additional practice location. He is board certified by the American Board of Internal Medicine.
Camp Hill, PA
Gastroenterologist
Accepting patientsDr. Paul Lacey, MD is a Gastroenterologist, who primarily practices in Harrisburg, PA with 1 additional practice location. He has been practicing for over 31 years and is board certified by the American Board of Internal Medicine.
Harrisburg, PA