MS
Accepting patients
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. He is board certified. Dr. St Marie is fluent in English and Spanish, and is currently seeing new patients. Dr. St Marie’s practice accepts Medicare, UnitedHealthcare 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 Dr. St Marie 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.
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:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Ulcerative Colitis
- Ulcerative Pancolitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
- K5100: Ulcerative (chronic) pancolitis without complications
Also known as:
- Nausea
- Nausea and Vomiting
- Feeling Sick to Stomach
- Queasiness
- Upset Stomach
ICD-10 Codes:
- R110: Nausea
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
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:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
Which procedures does Dr. St Marie perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a 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
For detailed information, please contact Dr. St Marie's office.
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
CVS Health (formerly Aetna)
Department of Veterans Affairs
Excellus BlueCross BlueShield
HealthNow New York
Highmark Inc.
Independent Health
Martin's Point
Medicare
UnitedHealthcare
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. 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. St Marie to book an appointment today.
Is this Dr. Mark St Marie affiliated with a ranked Castle Connolly Top Hospital?
No, St Marie 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 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.
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