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Dr. Frederick Rozenshteyn, MD

Stamford, CT

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Rozenshteyn, Gastroenterologist in Stamford, CT?

    Dr. Frederick Rozenshteyn, MD is a Gastroenterologist, who primarily practices in Stamford, CT with 1 additional practice location. He is board certified. Dr. Rozenshteyn is fluent in English, and is currently seeing new patients. Dr. Rozenshteyn’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Rozenshteyn’s office at (203) 325-9920.

    What languages does Dr. Rozenshteyn speak?

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

    • English

    What conditions does Dr. Rozenshteyn treat?

    As a Gastroenterologist, Dr. Rozenshteyn 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. Rozenshteyn. 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:

    • 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
    • Other Digestive Symptoms
    • Non-Infectious Gastroenteritis and Colitis
    • Colonic Polyps
    • Digestive Disease
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps
    • Unspecified Abdominal Symptoms
    • Other Belly Problems
    • Digestive System Issues
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • Z860100: Personal history of colon polyps, unspecified
    • R198: Other specified symptoms and signs involving the digestive system and abdomen
    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Upper Middle Abdominal Pain
    • Widespread Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain
    • General stomach pain
    • Overall belly pain
    • Diffuse abdominal pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R1013: Epigastric pain
    • R1084: Generalized abdominal pain
    • R109: Unspecified abdominal pain

    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:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    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:

    • 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:

    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    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:

    • 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:

    • 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:

    • 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:

    • 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

    Which procedures does Dr. Rozenshteyn perform as a Gastroenterologist?

    Does Dr. Rozenshteyn accept my insurance?

    Dr. Rozenshteyn accepts most major insurance plans. Important: Please call our office at (203) 325-9920 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Rozenshteyn accept in Stamford, CT?

    Dr. Rozenshteyn in Stamford, CT 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)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Express Scripts

    • Medicare

    • OptumRx

    • State of Connecticut

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Rozenshteyn's office located?

    Dr. Frederick Rozenshteyn's Primary Practice

    1351 Washington Blvd Fl 4

    Stamford, CT 06902

    (203) 325-9920

    Get Directions

    Dr. Frederick Rozenshteyn's Practice 2

    350 E 17th St # 20

    New York, NY 10003

    (212) 420-3363

    Get Directions

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

    Dr. Rozenshteyn's National Provider Identifier (NPI) number is 1609309558.

    What common questions do patients ask about Dr. Rozenshteyn?

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

    What is Dr. Frederick Rozenshteyn's specialty?

    Dr. Rozenshteyn is a Gastroenterologist near Stamford, CT. 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. Rozenshteyn to book an appointment today.

    Is this Dr. Frederick Rozenshteyn affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Rozenshteyn is affiliated with Stamford 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 Frederick Rozenshteyn accepting new patients in Stamford, CT?

    Yes, Dr. Frederick Rozenshteyn is accepting new patients at this time.

    Does Dr. Frederick Rozenshteyn offer online booking?

    Please contact Dr. Rozenshteyn's office at (203) 325-9920 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Frederick Rozenshteyn?

    Please contact Dr. Rozenshteyn's office at (203) 325-9920 for information regarding telehealth appointment availability or for scheduling assistance.

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