Affiliated with a Castle Connolly Top Hospital
Who is Dr. St Marie, Gastroenterologist in Williamsville, NY?
Dr. Mark St Marie, MD is a Gastroenterologist, who primarily practices in Williamsville, NY with 2 additional practice locations. Dr. St Marie is fluent in English and Spanish, and is currently seeing new patients. Dr. St Marie’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. St Marie’s office at (716) 626-2644.
What languages does Dr. St Marie speak?
Dr. St Marie and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Gastroenterologist like Dr. St Marie typically treat?
As a Gastroenterologist, Dr. St Marie 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. St Marie. 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Irritable Bowel Syndrome with Diarrhea
- Irritable Bowel Syndrome
- Irritable Bowel Syndrome (IBS)
- IBS-D
- Diarrhea-Predominant IBS
- Spastic Colon with Diarrhea
ICD-10 Codes:
- K580: Irritable bowel syndrome with diarrhea
Also known as:
- Heartburn
- Acid Reflux
- Indigestion
- GERD Symptoms
ICD-10 Codes:
- R12: Heartburn
Also known as:
- Nausea
- Nausea and Vomiting
- Feeling Sick to Stomach
- Queasiness
- Upset Stomach
ICD-10 Codes:
- R110: Nausea
What procedures does a Gastroenterologist like Dr. St Marie typically perform?
As a Gastroenterologist, procedures performed by Dr. Mark St Marie may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
Please contact Dr. St Marie's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. St Marie accept my insurance?
Dr. St Marie accepts most major insurance plans. Important: Please call our office at (716) 626-2644 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. St Marie accept in Williamsville, NY?
Dr. St Marie in Williamsville, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Highmark Health
Independent Health Association
Lifetime Healthcare
Medicare
State of New York
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. St Marie's office located?
Dr. Mark St Marie's Primary Practice
111 N Maplemere Rd Ste 200
Williamsville, NY 14221
(716) 626-2644
What is Dr. St Marie's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. St Marie's National Provider Identifier (NPI) number is 1629150792.
What common questions do patients ask about Dr. St Marie?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. St Marie
What is Dr. Mark St Marie's specialty?
Dr. St Marie is a Gastroenterologist near Williamsville, NY.
What does a Gastroenterologist do?
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.
Is this Dr. Mark St Marie affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. St Marie is affiliated with Mercy Hospital Of Buffalo, Kenmore Mercy Hospital 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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 St Marie accepting new patients in Williamsville, NY?
Yes, Dr. Mark St Marie is accepting new patients at this time.
Does Dr. Mark St Marie offer online booking?
Please contact Dr. St Marie's office at (716) 626-2644 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark St Marie?
Please contact Dr. St Marie's office at (716) 626-2644 for information regarding telehealth appointment availability or for scheduling assistance.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>