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Dr. Mary Thomas, DO

Dr. Mary Thomas, DO

Bay Shore, NY

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Thomas, Gastroenterologist in Bay Shore, NY?

    Dr. Mary Thomas, DO is a Gastroenterologist, who primarily practices in Bay Shore, NY with 1 additional practice location. She is board certified by the American Board of Internal Medicine. Dr. Thomas graduated from University of Health Sciences - Kansas City and completed her residency at State University of New York (SUNY) at Stony Brook. Dr. Thomas is fluent in English, and is currently seeing new patients. Dr. Thomas’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Thomas’s office at (631) 666-5864.

    Where did Dr. Thomas go to medical school and complete their residency?

    • Fellowship: State University of New York (SUNY) at Stony Brook

    • Residency: State University of New York (SUNY) at Stony Brook

    • Medical School: University of Health Sciences - Kansas City

    Is Dr. Thomas board certified in Gastroenterologist?

    Yes, Dr. Mary Thomas, DO is board certified by the American Board of Internal Medicine

    What languages does Dr. Thomas speak?

    Dr. Thomas and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Thomas treat?

    As a Gastroenterologist, Dr. Thomas 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. Thomas. 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:

    • 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:

    • Constipation
    • Slow Transit Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools
    • Chronic Constipation
    • Sluggish Bowel
    • Colonic Inertia

    ICD-10 Codes:

    • K5900: Constipation, unspecified
    • K5901: Slow transit constipation

    Also known as:

    • Second Degree Hemorrhoids
    • Hemorrhoids
    • Internal hemorrhoids that prolapse
    • Grade 2 hemorrhoids
    • Moderate hemorrhoids
    • Piles
    • Swollen Veins in Anus
    • Anal Lumps

    ICD-10 Codes:

    • K641: Second degree hemorrhoids
    • K649: Unspecified hemorrhoids

    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:

    • Diverticulosis
    • Diverticulosis and Diverticulitis
    • Diverticular Disease
    • Intestinal Diverticula
    • Pouches in Intestine

    ICD-10 Codes:

    • K5790: Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R1013: Epigastric pain
    • R109: Unspecified abdominal pain

    Also known as:

    • Family History of Digestive Organ Cancer
    • Cancer
    • Family History
    • Genetic risk for gastrointestinal cancer
    • Family history of GI cancer
    • Hereditary digestive cancer

    ICD-10 Codes:

    • Z800: Family history of malignant neoplasm of digestive organs

    Also known as:

    • Abdominal Bloating
    • Gas
    • Gas in the Digestive Tract
    • Bloated Stomach
    • Swollen Belly
    • Gaseous Distension

    ICD-10 Codes:

    • R140: Abdominal distension (gaseous)

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Family History of Colon Polyps
    • Colonic Polyps
    • Family History
    • Genetic colon polyps
    • Hereditary bowel polyps
    • Inherited risk for colon polyps

    ICD-10 Codes:

    • Z8371: Family history of colonic polyps

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Ulcerative Colitis
    • Colitis
    • Inflammatory Bowel Disease (IBD)
    • Chronic Colitis

    ICD-10 Codes:

    • K5190: Ulcerative colitis, unspecified, without complications

    Also known as:

    • Rectal Bleeding
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum

    Also known as:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    Does Dr. Thomas accept my insurance?

    Dr. Thomas accepts most major insurance plans. Important: Please call our office at (631) 666-5864 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Thomas accept in Bay Shore, NY?

    Dr. Thomas in Bay Shore, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Allied Benefit Systems

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Elderplan

    • Express Scripts

    • MagnaCare Rx

    • Medicare

    • Service Employees International Union (SEIU)

    View All Insurances

    Where is Dr. Thomas' office located?

    Dr. Mary Thomas' Primary Practice

    39 Brentwood Rd

    Bay Shore, NY 11706

    (631) 666-5864

    Get Directions

    Dr. Mary Thomas' Practice 2

    375 E Main St Ste 21

    Bay Shore, NY 11706

    Get Directions

    What is Dr. Thomas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Thomas's National Provider Identifier (NPI) number is 1861505281.

    What common questions do patients ask about Dr. Thomas?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Thomas

    What is Dr. Mary Thomas's specialty?

    Dr. Thomas is a Gastroenterologist near Bay Shore, 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. Thomas to book an appointment today.

    Is this Dr. Mary Thomas affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Thomas is affiliated with South Shore University Hospital which is a Castle Connolly Top Hospital. 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 Mary Thomas accepting new patients in Bay Shore, NY?

    Yes, Dr. Mary Thomas is accepting new patients at this time.

    Does Dr. Mary Thomas offer online booking?

    Please contact Dr. Thomas's office at (631) 666-5864 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mary Thomas?

    Please contact Dr. Thomas's office at (631) 666-5864 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mary Thomas have?

    Dr. Mary Thomas is certified by the American Board of Internal Medicine.

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