MA
39 Years of Experience
Accepting patients
Who is Dr. Allendorph, Gastroenterologist in Alton, IL?
Dr. Mark Allendorph, MD is a Gastroenterologist, who primarily practices in Alton, IL. He has been practicing for over 39 years and is board certified by the American Board of Internal Medicine. Dr. Allendorph graduated from Chicago Medical School at Rosalind Franklin University of Medicine & Science and completed his residency at Med Coll Wi Affil Hosps, Gastroenterology; Med Coll Wi Affil Hosps, Internal Medicine. Dr. Allendorph is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Allendorph’s office at (618) 465-5849.
Where did Dr. Allendorph go to medical school and complete their residency?
Residency: Med Coll Wi Affil Hosps, Gastroenterology; Med Coll Wi Affil Hosps, Internal Medicine | Medical College of Wisconsin Affiliated Hospitals Program
Medical School: Chicago Medical School at Rosalind Franklin University of Medicine & Science
Is Dr. Allendorph board certified in Gastroenterologist?
Yes, Dr. Mark Allendorph, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Allendorph speak?
Dr. Allendorph and their clinical team can communicate with patients in the following languages:
English
Which conditions does Dr. Allendorph treat as a Gastroenterologist?
As a Gastroenterologist, conditions treated by a Dr. Mark Allendorph may include:
- Barrett's Esophagus
- Celiac Disease
- Constipation
- Crohn's Disease
- Diarrhea
- Diverticulitis
- Excessive Gas
- Exocrine Pancreatic Insufficiency
Please contact Dr. Allendorph's office for more information or to schedule a consultation.
Which procedures does Dr. Allendorph perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Mark Allendorph 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. Allendorph's office.
Does Dr. Allendorph accept my insurance?
Please contact Dr. Allendorph's office to confirm accepted insurance plans.
Where is Dr. Allendorph's office located?
Dr. Mark Allendorph's Primary Practice
2 Memorial Dr Ste 205
Alton, IL 62002
(618) 465-5849
Ratings & Reviews
1.0
Overall rating
Based on 1 reviews
Office Experience
20% of patients found the doctor and staff friendly and the office clean and modern
Diagnosis
20% of patients were satisfied with the doctor's diagnosis and explanation of their condition
Patients give Dr. Mark Allendorph a Poor overall experience rating of 1 out of 5 stars. Dr. Allendorph has been rated and reviewed by 1 patient. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Allendorph, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsWhat is Dr. Allendorph's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Allendorph's National Provider Identifier (NPI) number is 1922094002.
What common questions do patients ask about Dr. Allendorph?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Allendorph
What is Dr. Mark Allendorph's specialty?
Dr. Allendorph is a Gastroenterologist near Alton, IL. 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. Allendorph to book an appointment today.
Is this Dr. Mark Allendorph affiliated with a ranked Castle Connolly Top Hospital?
No, Allendorph is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Mark Allendorph accepting new patients in Alton, IL?
Yes, Dr. Mark Allendorph is accepting new patients at this time.
Does Dr. Mark Allendorph offer online booking?
Please contact Dr. Allendorph's office at (618) 465-5849 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Allendorph?
Please contact Dr. Allendorph's office at (618) 465-5849 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mark Allendorph have?
Dr. Mark Allendorph is certified by the American Board of Internal Medicine.
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