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Dr. Gerard Mullin, MD

Gastroenterologist

Baltimore, MD

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mullin, Gastroenterologist in Baltimore, MD?

    Dr. Gerard Mullin, MD is a Gastroenterologist, who primarily practices in Baltimore, MD with 2 additional practice locations. Dr. Mullin completed his residency at Mount Sinai Hospital. Dr. Mullin is fluent in English, and is currently seeing new patients. Dr. Mullin’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mullin’s office at (410) 955-4166.

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

    • Residency: Mount Sinai Hospital

    What languages does Dr. Mullin speak?

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

    • English

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

    As a Gastroenterologist, Dr. Mullin 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. Mullin. 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.

    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:

    • Abdominal Bloating
    • Gas
    • Gas in the Digestive Tract
    • Bloated Stomach
    • Swollen Belly
    • Gaseous Distension

    ICD-10 Codes:

    • R140: Abdominal distension (gaseous)

    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 a Gastroenterologist like Dr. Mullin typically perform?

    As a Gastroenterologist, Dr. Mullin 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. Mullin. 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.

    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. Mullin accept my insurance?

    Dr. Mullin accepts most major insurance plans. Important: Please call our office at (410) 955-4166 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mullin accept in Baltimore, MD?

    Dr. Mullin in Baltimore, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cigna Group

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Medicare

    View All Insurances

    Where is Dr. Mullin's office located?

    Dr. Gerard Mullin's Primary Practice

    600 N Wolfe St

    Baltimore, MD 21287

    (410) 955-4166

    Get Directions

    Dr. Gerard Mullin's Practice 2

    2360 W Joppa Rd Ste 205

    Luthvle Timon, MD 21093

    Get Directions

    Dr. Gerard Mullin's Practice 3

    9910 Franklin Square Dr

    Baltimore, MD 21236

    Get Directions

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

    Dr. Mullin's National Provider Identifier (NPI) number is 1891746996.

    What common questions do patients ask about Dr. Mullin?

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

    What is Dr. Gerard Mullin's specialty?

    Dr. Mullin is a Gastroenterologist near Baltimore, MD.

    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 Dr. Gerard Mullin affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mullin is affiliated with The Johns Hopkins 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

    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 Dr. Gerard Mullin accepting new patients in Baltimore, MD?

    Yes, Dr. Gerard Mullin is accepting new patients at this time.

    Does Dr. Gerard Mullin offer online booking?

    Please contact Dr. Mullin's office at (410) 955-4166 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Gerard Mullin?

    Please contact Dr. Mullin's office at (410) 955-4166 to schedule an appointment.

    Where is Dr. Mullin's office located?

    Dr. Mullin's offices are located in Baltimore, MD and Luthvle Timon, MD.