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Dr. Kelly Ocallahan, MD

Worcester, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ocallahan, Gastroenterologist in Worcester, MA?

    Dr. Kelly Ocallahan, MD is a Gastroenterologist, who primarily practices in Worcester, MA with 2 additional practice locations. Dr. Ocallahan is fluent in English, and is currently seeing new patients. Dr. Ocallahan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ocallahan’s office at (508) 831-0708.

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

    • Medical School: University of Massachusetts / Worcester Campus

    What languages does Dr. Ocallahan speak?

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

    • English

    What conditions does Dr. Ocallahan treat?

    As a Gastroenterologist, Dr. Ocallahan 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. Ocallahan. 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:

    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders

    ICD-10 Codes:

    • K3189: Other diseases of stomach and duodenum

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

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

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding

    Also known as:

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

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    Also known as:

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

    ICD-10 Codes:

    • K921: Melena

    What procedures does Dr. Ocallahan perform?

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

    CPT Codes:

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

    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. Ocallahan accept my insurance?

    Dr. Ocallahan accepts most major insurance plans. Important: Please call our office at (508) 831-0708 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ocallahan accept in Worcester, MA?

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

    Top Insurances

    • Boston Medical Center

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Fallon Community Health Plan

    • Humana

    • Medicare

    • Network Health

    • Point32Health

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ocallahan's office located?

    Dr. Kelly Ocallahan's Primary Practice

    328 Shrewsbury St Ste 350

    Worcester, MA 01604

    (508) 831-0708

    Get Directions

    Dr. Kelly Ocallahan's Practice 2

    100 Central St Floor 4

    Worcester, MA 01608

    Get Directions

    Dr. Kelly Ocallahan's Practice 3

    100 Mlk Jr Blvd Ste 4

    Worcester, MA 01608

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

    Dr. Ocallahan's National Provider Identifier (NPI) number is 1427056795.

    What common questions do patients ask about Dr. Ocallahan?

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

    What is Dr. Kelly Ocallahan's specialty?

    Dr. Ocallahan is a Gastroenterologist near Worcester, 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. Ocallahan to book an appointment today.

    Is this Dr. Kelly Ocallahan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ocallahan is affiliated with Saint Vincent Hospital - Worcester, MA 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 Kelly Ocallahan accepting new patients in Worcester, MA?

    Yes, Dr. Kelly Ocallahan is accepting new patients at this time.

    Does Dr. Kelly Ocallahan offer online booking?

    Please contact Dr. Ocallahan's office at (508) 831-0708 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Kelly Ocallahan?

    Please contact Dr. Ocallahan's office at (508) 831-0708 for information regarding telehealth appointment availability or for scheduling assistance.

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