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Dr. Alan Mullen, MD, PHD

Dr. Alan Mullen, MD, PHD

Worcester, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

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

    Dr. Alan Mullen, MD, PHD is a Gastroenterologist, who primarily practices in Worcester, MA with 2 additional practice locations. He is board certified. Dr. Mullen graduated from Perelman School of Medicine at the University of Pennsylvania. Dr. Mullen is fluent in English, and is currently seeing new patients. Dr. Mullen’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mullen’s office at (617) 724-6006.

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

    • Medical School: Harvard Medical School, Boston, Massachusetts | Perelman School of Medicine University of Pennsylvania | Perelman School of Medicine at the University of Pennsylvania

    Is Dr. Mullen board certified as a Gastroenterologist?

    Yes, Dr. Alan Mullen, MD, PHD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mullen speak?

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

    • English

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

    As a Gastroenterologist, Dr. Mullen 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. Mullen. 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:

    • Cirrhosis
    • Alcoholic Cirrhosis
    • Alcoholic Cirrhosis with Fluid Buildup
    • Cryptogenic cirrhosis
    • Alcohol Use Disorder (AUD)
    • Liver scarring
    • End-stage liver disease
    • Chronic liver failure
    • Alcohol-induced cirrhosis
    • End-stage alcoholic liver disease
    • Severe alcoholic liver scarring
    • Alcoholic cirrhosis with ascites
    • Alcohol-induced cirrhosis with fluid
    • Liver scarring with abdominal fluid

    ICD-10 Codes:

    • K7460: Unspecified cirrhosis of liver
    • K7469: Other cirrhosis of liver
    • K7030: Alcoholic cirrhosis of liver without ascites
    • K7031: Alcoholic cirrhosis of liver with ascites

    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
    • Alcoholic liver disease
    • Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
    • Nonalcoholic Fatty Liver Disease & NASH in Children
    • Alcohol Use Disorder (AUD)
    • NAFLD
    • NASH
    • Hepatic steatosis
    • Hepatic illness
    • Liver condition
    • Alcohol-related liver damage
    • Liver problems from alcohol
    • Alcoholic hepatopathy

    ICD-10 Codes:

    • K760: Fatty (change of) liver, not elsewhere classified
    • K769: Liver disease, unspecified
    • K709: Alcoholic liver disease, unspecified

    Also known as:

    • Other Abnormal Enzyme Levels
    • Unspecified high enzymes
    • Various enzyme abnormalities
    • Abnormal serum enzyme levels

    ICD-10 Codes:

    • R748: Abnormal levels of other serum enzymes

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

    As a Gastroenterologist, Dr. Mullen 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. Mullen. 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:

    • 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. Mullen accept my insurance?

    Dr. Mullen accepts most major insurance plans. Important: Please call our office at (617) 724-6006 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • All Other Third Party

    • Federal government of the United States

    • Medicare

    • State of Massachusetts

    • UMass Memorial Health Care

    • Unknown

    View All Insurances

    Where is Dr. Mullen's office located?

    Dr. Alan Mullen's Primary Practice

    55 Lake Ave N

    Worcester, MA 01655

    (617) 724-6006

    Get Directions

    Dr. Alan Mullen's Practice 2

    55 Fruit St

    Boston, MA 02114

    Get Directions

    Dr. Alan Mullen's Practice 3

    119 Belmont St

    Worcester, MA 01605

    Get Directions

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

    Dr. Mullen's National Provider Identifier (NPI) number is 1972639649.

    What common questions do patients ask about Dr. Mullen?

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

    What is Dr. Alan Mullen's specialty?

    Dr. Mullen is a Gastroenterologist near Worcester, MA.

    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. Alan Mullen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mullen is affiliated with Umass Memorial Medical Center, Umass Memorial Healthalliance Clinton Hospital - Leominster Campus 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 Alan Mullen accepting new patients in Worcester, MA?

    Yes, Dr. Alan Mullen is accepting new patients at this time.

    Does Dr. Alan Mullen offer online booking?

    Please contact Dr. Mullen's office at (617) 724-6006 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Alan Mullen?

    Please contact Dr. Mullen's office at (617) 724-6006 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Alan Mullen have?

    Dr. Alan Mullen 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>