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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. 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 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:

    • 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:

    • 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:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    What procedures does Dr. Niewiarowski perform?

    As a Gastroenterologist, Dr. Niewiarowski performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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:

    • Colonoscopy with Polyp Removal
    • Colonoscopy with Biopsy
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Diagnostic Upper Endoscopy with Biopsy
    • Esophagus Widening Procedure (Endoscopic)
    • Colonoscopy with Injections
    • EGD with Esophageal Balloon Dilation
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening

    CPT Codes:

    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)

    Also known as:

    • Upper Endoscopy with Polyp Removal
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision

    CPT Codes:

    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Esophageal Dilation (Bougie)
    • Esophageal Widening
    • Bougie Dilation of Esophagus
    • Swallowing Tube Dilation

    CPT Codes:

    • 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes

    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

    • Centene

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Federal Employee Program

    • Geisinger Health Plan

    • Independence Blue Cross

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

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    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

    511 E 3rd St Ste 200

    Bethlehem, PA 18015

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    Dr. Tomasz Niewiarowski's Practice 3

    3901 S Atherton St Ste 2

    State College, PA 16801

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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, Lehigh Valley Health Network– Cedar Crest, St. Luke’s University Health Network - Quakertown Campus, Lehigh Valley Health Network- Pocono 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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