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Dr. Maria Lonshteyn

Beverly, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Lonshteyn, Gastroenterologist in Beverly, MA?

    Dr. Maria Lonshteyn is a Gastroenterologist, who primarily practices in Beverly, MA with 2 additional practice locations. She is board certified by the American Board of Internal Medicine. Dr. Lonshteyn is fluent in English and Russian, and is currently seeing new patients. Dr. Lonshteyn’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lonshteyn’s office at (978) 232-1120.

    Is Dr. Lonshteyn board certified in Gastroenterologist?

    Yes, Dr. Maria Lonshteyn is board certified by the American Board of Internal Medicine

    What languages does Dr. Lonshteyn speak?

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

    • English

    • Russian

    What conditions does Dr. Lonshteyn treat?

    As a Gastroenterologist, Dr. Lonshteyn 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. Lonshteyn. 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:

    • 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:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Other Specific Abnormal Blood Chemistry Results
    • Blood
    • Specified Blood Chemistry Imbalance
    • Unusual Blood Chemistry Findings
    • Specific Blood Panel Abnormalities

    ICD-10 Codes:

    • R7989: Other specified abnormal findings of blood chemistry

    Also known as:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K921: Melena

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D509: Iron deficiency anemia, 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:

    • Cirrhosis
    • Liver scarring
    • End-stage liver disease
    • Chronic liver failure

    ICD-10 Codes:

    • K7460: Unspecified cirrhosis of liver

    Also known as:

    • Non-Infectious Gastroenteritis and Colitis
    • Digestive Disease
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Abnormal Bowel Movements
    • Bowel Movement
    • Unusual stool
    • Changes in poop
    • Fecal changes

    ICD-10 Codes:

    • R195: Other fecal abnormalities

    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:

    • Hemochromatosis
    • Hereditary hemochromatosis
    • Iron Overload
    • Iron Storage Disease

    ICD-10 Codes:

    • E83119: Hemochromatosis, unspecified

    Also known as:

    • Ulcerative Rectosigmoiditis with Rectal Bleeding
    • Gastrointestinal Bleeding
    • Ulcerative Colitis
    • Chronic Rectosigmoiditis with Bloody Stool
    • Rectosigmoiditis with GI Bleeding
    • Distal Colitis with Rectal Bleeding

    ICD-10 Codes:

    • K51311: Ulcerative (chronic) rectosigmoiditis with rectal bleeding

    Also known as:

    • Unexplained Weight Loss
    • Involuntary Weight Loss
    • Significant Weight Loss
    • Unintentional Weight Loss

    ICD-10 Codes:

    • R634: Abnormal weight loss

    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:

    • 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:

    • Celiac Disease
    • Gluten-Sensitive Enteropathy
    • Sprue
    • Coeliac Disease
    • Gluten Intolerance

    ICD-10 Codes:

    • K900: Celiac disease

    Also known as:

    • Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding

    Does Dr. Lonshteyn accept my insurance?

    Dr. Lonshteyn accepts most major insurance plans. Important: Please call our office at (978) 232-1120 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Lonshteyn accept in Beverly, MA?

    Dr. Lonshteyn in Beverly, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Allied Benefit Systems

    • Blue Cross Blue Shield of Massachusetts

    • CVS Health (formerly Aetna)

    • Medicare

    • Other TPA

    View All Insurances

    Where is Dr. Lonshteyn's office located?

    Dr. Maria Lonshteyn's Primary Practice

    100 Cummings Ctr Ste 126Q

    Beverly, MA 01915

    (978) 232-1120

    Get Directions

    Dr. Maria Lonshteyn's Practice 2

    298 Washington St

    Gloucester, MA 01930

    Get Directions

    Dr. Maria Lonshteyn's Practice 3

    105 Erdman Way

    Leominster, MA 01453

    (978) 537-7552

    Get Directions

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

    Dr. Lonshteyn's National Provider Identifier (NPI) number is 1720247653.

    What common questions do patients ask about Dr. Lonshteyn?

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

    What is Dr. Maria Lonshteyn's specialty?

    Dr. Lonshteyn is a Gastroenterologist near Beverly, MA. 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. Lonshteyn to book an appointment today.

    Is this Dr. Maria Lonshteyn affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Lonshteyn is affiliated with Beverly 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 Maria Lonshteyn accepting new patients in Beverly, MA?

    Yes, Dr. Maria Lonshteyn is accepting new patients at this time.

    Does Dr. Maria Lonshteyn offer online booking?

    Please contact Dr. Lonshteyn's office at (978) 232-1120 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Maria Lonshteyn?

    Please contact Dr. Lonshteyn's office at (978) 232-1120 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Maria Lonshteyn have?

    Dr. Maria Lonshteyn is certified by the American Board of Internal Medicine.

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