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Dr. Mary Thomas, DO

Gastroenterology*
5.0 (4)
Map Pin Small Bay Shore, NY
Accepting new patients
28 years of experience

Overview of Dr. Mary Thomas, DO

Dr. Mary Thomas, DO is a Gastroenterology Specialist in Bay Shore, NY. They specialize in Gastroenterology, has 28 years of experience, and is board certified in Gastroenterology. They graduated from University of Texas at Austin Dell Medical School and is affiliated with North Shore University Hospital and South Shore University Hospital. Dr. Thomas, completed a residency at University Hosp-Suny Stony Brook, Gastroenterology University Hosp-Suny Stony Brook, Internal Medicine. Patients rated Dr. Thomas an average 5.0 star rating.

Dr. Thomas works at Northwell Health Physician Partners Pulmonary and Sleep Medicine at Bay Shore in Bay Shore, NY with other offices in Brightwaters, NY. They frequently treat conditions like Constipation and Gastroesophageal Reflux Disease (GERD) along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Thomas' Office Locations

  1. 1
    Northwell Health Physician Partners Pulmonary and Sleep Medicine at Bay Shore
    39 Brentwood Rd Ste 201, Bay Shore, NY 11706 Icon Directions Right Arrow Directions Phone Icon (631) 968-8288
  2. 2
    Northwell Health
    402 Potter Blvd, Brightwaters, NY 11718 Icon Directions Right Arrow Directions Phone Icon (631) 894-5600

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • North Shore University Hospital
  • South Shore University Hospital

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Constipation
Gastroesophageal Reflux Disease (GERD)
Hemorrhoids

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Constipation
Gastroesophageal Reflux Disease (GERD)
Hemorrhoids
Abdominal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Crohn's Disease
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Duodenitis
Dysphagia
Esophagitis
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastrointestinal Bleeding
Gastroparesis
Hepatitis C
Inflammatory Bowel Disease
Intestinal Diverticulosis
Intestinal Ulcer
Irritable Bowel Syndrome
Nausea
  • View other providers who treat Nausea
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Reflux Esophagitis
Retroperitoneum Cancer
Tobacco Use Disorder
Ulcerative Colitis
Vitamin_Deficiency
Arterial Blood Gas Test (ABG)
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Electrocardiogram (EKG)
Endoscopy (Esophagus, Stomach, Small Intestine)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Fecal Occult Blood Test for Colorectal Cancer
Flexible Sigmoidoscopy
Laparoscopic Removal of Stones from Biliary Tract
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Acute Bronchitis
Acute Gastritis
Acute Lower Respiratory Infection
Acute Upper Respiratory Infection
Alcoholic Cirrhosis
Alcoholic Fatty Liver
Alcoholic Gastritis
Alcoholic Hepatic Failure
Alcoholic Hepatitis
All Headaches (incl. Migraine)
All Types of Food Poisoning
Anal or Rectal Pain
Ascites
  • View other providers who treat Ascites
Asphyxia and Hypoxemia
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Cachexia
  • View other providers who treat Cachexia
Celiac Disease
Cholangitis
Congenital Achalasia
Dehydration
Diffuse Esophageal Spasm
Diverticulitis
Diverticulosis
Duodenal Ulcer
Dysentery
E. coli Food Poisoning
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Familial Adenomatous Polyposis
Folate Deficiency Anemia
Food Allergy
Foot Infection
Gastrointestinal Malabsorption
Gastroptosis
Heartburn
Hemochromatosis
Hepatitis B
Hepatitis B - Immune Response
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Infectious Diarrheal Disease
Intestinal Diverticulitis
Intestinal Obstruction
Ischemic Colitis
Joint Pain
Lactose Intolerance
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Malnutrition
Megacolon
Muscle Spasm
Nail Infection
Pelvic Abscess
Peptic Ulcer
Pernicious Anemia
Potassium Deficiency
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Proctoptosis
Rectal Prolapse
Shortness of Breath
Spleen Cyst
Stomal Ulcer
Throat Pain
Thrush
  • View other providers who treat Thrush
Unexplained Weight Loss
Upper Digestive Tract Cancer
Urinary Incontinence
Urinary Tract Infection (UTI)
Venous Embolism and Thrombosis
Viral Enteritis
Viral Hepatitis
Vitamin B12 Anemia
Vomiting Disorders
Bile Duct Procedure
Biliary Drainage
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
Flu Shot
  • View other providers who treat Flu Shot
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Incision and Removal of Foreign Object
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Ultrasound
VAP Lipid Testing
Wireless pH Testing
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Affinity Health Plan
    • Anthem
    • Assurant Health
    • Blue Cross Blue Shield
    • Cigna
    • Coventry Health Care
    • EmblemHealth
    • Health Net
    • Healthfirst
    • Humana
    • MagnaCare
    • Midwest Health Plan
    • MVP Health Care
    • PreferredOne
    • Priority Health

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

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    5.0
    Average provider rating
    Based on 4 ratings
    Patient Ratings (4)
    5 Star
    (4)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (0)
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    Dr. Thomas' Office & Staff

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    Experience with Dr. Thomas

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Mary Thomas, DO

    Specialties*
    • Gastroenterology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 28 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1861505281
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Residency
    • University Hosp-Suny Stony Brook, Gastroenterology University Hosp-Suny Stony Brook, Internal Medicine
    Residency
    Medical Education
    • University of Texas at Austin Dell Medical School
    Medical Education
    Board Certifications
    • Gastroenterology
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Mary Thomas, DO is accepting new patients on Healthline FindCare. You can check to see if Dr. Thomas is offering online scheduling or call the provider’s office for more information.

    Dr. Thomas has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Thomas has seen patients for Constipation and Gastroesophageal Reflux Disease (GERD), and more. You can see other conditions treated by Dr. Thomas on their profile. Please call the provider’s office to confirm all visit reasons.

    4 patients have reviewed Dr. Thomas. The overall rating for this provider is 5.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Thomas.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Thomas, there are benefits to both methods. A person calling to schedule an with Dr. Thomas appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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