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Dr. Joseph Mermelstein, MD

Harrison, NY

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mermelstein, Gastroenterologist in Harrison, NY?

    Dr. Joseph Mermelstein, MD is a Gastroenterologist, who primarily practices in Harrison, NY with 2 additional practice locations. Dr. Mermelstein is fluent in English, and is currently seeing new patients. Dr. Mermelstein’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mermelstein’s office at (914) 723-8100.

    What languages does Dr. Mermelstein speak?

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

    • English

    What conditions does Dr. Mermelstein treat?

    As a Gastroenterologist, Dr. Mermelstein 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. Mermelstein. 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:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Heartburn
    • Acid Reflux
    • Indigestion
    • GERD Symptoms

    ICD-10 Codes:

    • R12: Heartburn

    Also known as:

    • First Degree Hemorrhoids
    • Hemorrhoids
    • Internal hemorrhoids
    • Grade 1 hemorrhoids
    • Mild hemorrhoids

    ICD-10 Codes:

    • K640: First degree hemorrhoids

    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:

    • 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:

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

    ICD-10 Codes:

    • R1013: Epigastric pain

    What procedures does Dr. Mermelstein perform?

    As a Gastroenterologist, Dr. Mermelstein 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. Mermelstein. 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 Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 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

    Does Dr. Mermelstein accept my insurance?

    Dr. Mermelstein accepts most major insurance plans. Important: Please call our office at (914) 723-8100 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mermelstein accept in Harrison, NY?

    Dr. Mermelstein in Harrison, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Michigan

    • Carpenters Funds Administrative Office (CA)

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • HealthComp

    • Medicare

    • Service Employees International Union (SEIU)

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Mermelstein's office located?

    Dr. Joseph Mermelstein's Primary Practice

    600 Mamaroneck Ave

    Harrison, NY 10528

    (914) 723-8100

    Get Directions

    Dr. Joseph Mermelstein's Practice 2

    550 Mamaroneck Avenue Suite 302

    Scarsdale, NY 10583

    Get Directions

    Dr. Joseph Mermelstein's Practice 3

    259 Heathcote Rd

    Scarsdale, NY 10583

    Get Directions

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

    Dr. Mermelstein's National Provider Identifier (NPI) number is 1689963662.

    What common questions do patients ask about Dr. Mermelstein?

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

    What is Dr. Joseph Mermelstein's specialty?

    Dr. Mermelstein is a Gastroenterologist near Harrison, NY. 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. Mermelstein to book an appointment today.

    Is this Dr. Joseph Mermelstein affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mermelstein is affiliated with White Plains 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 Joseph Mermelstein accepting new patients in Harrison, NY?

    Yes, Dr. Joseph Mermelstein is accepting new patients at this time.

    Does Dr. Joseph Mermelstein offer online booking?

    Please contact Dr. Mermelstein's office at (914) 723-8100 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Joseph Mermelstein?

    Please contact Dr. Mermelstein's office at (914) 723-8100 for information regarding telehealth appointment availability or for scheduling assistance.

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