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Dr. Tomasz Niewiarowski, MD

Dr. Tomasz Niewiarowski, MD

Bethlehem, PA

37 Years of Experience

Accepting patients
Telehealth

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Niewiarowski, Gastroenterologist in Bethlehem, PA?

    Dr. Tomasz Niewiarowski, MD is a Gastroenterologist, who primarily practices in Bethlehem, PA with 2 additional practice locations. He has been practicing for over 37 years and is board certified. Dr. Niewiarowski graduated from Med University Of Warsaw and completed his residency at Temple Univ Hosp, Gastroenterology St Lukes Hosp, Internal Medicine. Dr. Niewiarowski is fluent in English and Polish, and is currently seeing new patients. Dr. Niewiarowski’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Niewiarowski’s office.

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

    • Fellowship: Temple University Hospital

    • Residency: Temple Univ Hosp, Gastroenterology St Lukes Hosp, Internal Medicine | St. Luke's Hospital & Health Network, Pennsylvania | Temple University Hospital Program

    • Medical School: Akademia Med W Warszawie | Med University Of Warsaw | Akademia Medyczna

    What languages does Dr. Niewiarowski speak?

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

    • English

    • Polish

    What conditions does Dr. Niewiarowski treat?

    As a Gastroenterologist, Dr. Niewiarowski 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. Niewiarowski. 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:

    • 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:

    • Colon Polyps
    • Non-Infectious Gastroenteritis and Colitis
    • Colonic Polyps
    • Digestive Disease
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps
    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Upper Abdominal Pain
    • Abdominal Pain
    • Upper Middle Abdominal Pain
    • Pelvic Pain
    • Upper stomach pain
    • Pain in upper belly
    • Epigastric discomfort
    • Stomach Ache
    • Belly Pain
    • Stomach Pain
    • Epigastric pain
    • Pain below breastbone
    • Lower belly pain
    • Pain in lower abdomen
    • Abdominal discomfort

    ICD-10 Codes:

    • R1010: Upper abdominal pain, unspecified
    • R109: Unspecified abdominal pain
    • R1013: Epigastric pain
    • R1030: Lower abdominal pain, unspecified

    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:

    • Other Difficulty Swallowing
    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Swallowing problems
    • Painful swallowing

    ICD-10 Codes:

    • R1319: Other dysphagia
    • R1310: Dysphagia, unspecified

    Also known as:

    • Ulcerative Colitis
    • Left-Sided Ulcerative Colitis with Rectal Bleeding
    • Gastrointestinal Bleeding
    • Colitis
    • Inflammatory Bowel Disease (IBD)
    • Chronic Colitis
    • Distal Colitis with Bleeding
    • UC with Rectal Hemorrhage
    • Bloody Stools from Colitis

    ICD-10 Codes:

    • K5190: Ulcerative colitis, unspecified, without complications
    • K51511: Left sided colitis with rectal bleeding

    Also known as:

    • Rectal Bleeding
    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum
    • K921: Melena

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified
    • D649: Anemia, unspecified

    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:

    • 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:

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

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Which procedures does Dr. Niewiarowski perform as a Gastroenterologist?

    Does Dr. Niewiarowski accept my insurance?

    Dr. Niewiarowski accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Niewiarowski accept in Bethlehem, PA?

    Dr. Niewiarowski in Bethlehem, PA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Capital BlueCross

    • CVS Health (formerly Aetna)

    • Geisinger Health Plan

    • Health Partners Plans

    • Highmark Inc.

    • Independence Blue Cross

    • Medicaid

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Niewiarowski's office located?

    Dr. Tomasz Niewiarowski also offers virtual visits

    Dr. Tomasz Niewiarowski's Primary Practice

    306 S New St Ste 201

    Bethlehem, PA 18015

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    Dr. Tomasz Niewiarowski's Practice 2

    800 Ostrum St Ste 300

    Fountain Hill, PA 18015

    (610) 866-0113

    Get Directions

    Dr. Tomasz Niewiarowski's Practice 3

    5325 Northgate Dr Ste 101

    Bethlehem, PA 18017

    (610) 866-5008

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

    Dr. Niewiarowski's National Provider Identifier (NPI) number is 1073624441.

    What common questions do patients ask about Dr. Niewiarowski?

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

    What is Dr. Tomasz Niewiarowski's specialty?

    Dr. Niewiarowski is a Gastroenterologist near Bethlehem, PA. 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. Niewiarowski to book an appointment today.

    Is this Dr. Tomasz Niewiarowski affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Niewiarowski is affiliated with Mount Nittany Medical Center, St. Luke’s University Health Network - Bethlehem Campus 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

    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 Tomasz Niewiarowski accepting new patients in Bethlehem, PA?

    Yes, Dr. Tomasz Niewiarowski is accepting new patients at this time.

    Does Dr. Tomasz Niewiarowski offer online booking?

    Please contact Dr. Niewiarowski's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Tomasz Niewiarowski?

    Please contact Dr. Niewiarowski's office for information regarding telehealth appointment availability or for scheduling assistance.

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