EverydayHealthLogo
Dr. Thomas Mastri, MD

Dr. Thomas Mastri, MD

Fredericksburg, VA

34 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mastri, Gastroenterologist in Fredericksburg, VA?

    Dr. Thomas Mastri, MD is a Gastroenterologist, who primarily practices in Fredericksburg, VA. He has been practicing for over 34 years and is board certified. Dr. Mastri graduated from Lehigh University and completed his residency at Vet Affairs Med Ctr, Gastroenterology; Episcopal Hosp (Tuhs), Internal Medicine; Med Coll Of Pa & Hosp, Internal Medicine. Dr. Mastri is fluent in English, and is currently seeing new patients. Dr. Mastri’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mastri’s office at (540) 371-9696.

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

    • Residency: Vet Affairs Med Ctr, Gastroenterology; Episcopal Hosp (Tuhs), Internal Medicine; Med Coll Of Pa & Hosp, Internal Medicine | University of Pennsylvania Program

    • Medical School: Umdnj-Robt W Johnson Med Sch- New Brunswick Nj | Lehigh University | Rutgers

    Is Dr. Mastri board certified as a Gastroenterologist?

    Yes, Dr. Thomas Mastri, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mastri speak?

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

    • English

    What conditions does a Gastroenterologist like Dr. Mastri typically treat?

    As a Gastroenterologist, Dr. Mastri 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. Mastri. 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. Learn more about our claims-based healthcare methodology here.

    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:

    • Fatty Liver Disease
    • Liver Disease
    • Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
    • Nonalcoholic Fatty Liver Disease & NASH in Children
    • NAFLD
    • NASH
    • Hepatic steatosis

    ICD-10 Codes:

    • K760: Fatty (change of) liver, not elsewhere classified

    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 Polyps
    • Colonic Polyps
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    What procedures does a Gastroenterologist like Dr. Mastri typically perform?

    As a Gastroenterologist, Dr. Mastri 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. Mastri. 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. Learn more about our claims-based healthcare methodology here.

    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:

    • Esophagus Widening Procedure (Endoscopic)
    • Colonoscopy with Injections
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy

    CPT Codes:

    • 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

    Also known as:

    • Liver Elastography
    • Elastography
    • FibroScan
    • Liver stiffness test
    • Shear wave elastography

    CPT Codes:

    • 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report

    Does Dr. Mastri accept my insurance?

    Dr. Mastri accepts most major insurance plans. Important: Please call our office at (540) 371-9696 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mastri accept in Fredericksburg, VA?

    Dr. Mastri in Fredericksburg, VA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Federal government of the United States

    • Humana

    • Medicare

    • Mutual of Omaha

    • Sentara Health System / Optima Health

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Mastri's office located?

    Dr. Thomas Mastri's Primary Practice

    2601 Fall Hill Ave

    Fredericksburg, VA 22401

    (540) 371-9696

    Get Directions

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

    Dr. Mastri's National Provider Identifier (NPI) number is 1073566642.

    What common questions do patients ask about Dr. Mastri?

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

    What is Dr. Thomas Mastri's specialty?

    Dr. Mastri is a Gastroenterologist near Fredericksburg, VA.

    What does a Gastroenterologist do?

    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.

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

    Yes, Dr. Mastri is affiliated with Mary Washington Hospital, Hca Henrico Doctors' Hospital, Sentara Northern Virginia Medical Center, Inova Fair Oaks Hospital, Geisinger Wyoming Valley Medical Center, Adventist Healthcare Shady Grove Medical Center 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

    When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 Thomas Mastri accepting new patients in Fredericksburg, VA?

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

    Does Dr. Thomas Mastri offer online booking?

    Please contact Dr. Mastri's office at (540) 371-9696 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas Mastri?

    Please contact Dr. Mastri's office at (540) 371-9696 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Thomas Mastri have?

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

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>