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Dr. Weiming Yan, MD

Frederick, MD

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Yan, Gastroenterologist in Frederick, MD?

    Dr. Weiming Yan, MD is a Gastroenterologist, who primarily practices in Frederick, MD with 2 additional practice locations. He is board certified. Dr. Yan is fluent in English and Chinese, and is currently seeing new patients. Dr. Yan’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Yan’s office at (301) 695-6800.

    Is Dr. Yan board certified as a Gastroenterologist?

    Yes, Dr. Weiming Yan, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Yan speak?

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

    • Chinese

    • English

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

    As a Gastroenterologist, Dr. Yan 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. Yan. 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:

    • 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:

    • 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:

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

    ICD-10 Codes:

    • K5909: Other constipation

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

    As a Gastroenterologist, Dr. Yan 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. Yan. 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 with Tissue Removal
    • 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
    • Flexible colonoscopy with EMR
    • Endoscopic mucosal resection (colon)
    • Colon polyp removal during colonoscopy

    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)
    • 45390: Colonoscopy, flexible; with endoscopic mucosal resection

    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

    Also known as:

    • EGD with Esophageal Balloon Dilation
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening

    CPT Codes:

    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)

    Also known as:

    • Upper Endoscopy with Polyp Removal
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision

    CPT Codes:

    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Capsule Endoscopy
    • Pill Camera
    • Wireless Capsule Endoscopy
    • Small Bowel Capsule Endoscopy
    • Intestinal Imaging Pill

    CPT Codes:

    • 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report

    Does Dr. Yan accept my insurance?

    Dr. Yan accepts most major insurance plans. Important: Please call our office at (301) 695-6800 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Yan accept in Frederick, MD?

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

    Top Insurances

    • All Other Third Party

    • CareFirst BlueCross BlueShield

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Federal government of the United States

    • Medicare

    • State of Maryland

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Yan's office located?

    Dr. Weiming Yan's Primary Practice

    3430 Worthington Blvd Ste 206

    Frederick, MD 21704

    (301) 695-6800

    Get Directions

    Dr. Weiming Yan's Practice 2

    15215 Shady Grove Rd Ste 203

    Rockville, MD 20850

    Get Directions

    Dr. Weiming Yan's Practice 3

    5401 Old Court Rd

    Randallstown, MD 21133

    Get Directions

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

    Dr. Yan's National Provider Identifier (NPI) number is 1851552624.

    What common questions do patients ask about Dr. Yan?

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

    What is Dr. Weiming Yan's specialty?

    Dr. Yan is a Gastroenterologist near Frederick, 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 this Dr. Weiming Yan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Yan is affiliated with Frederick Health 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 Weiming Yan accepting new patients in Frederick, MD?

    Yes, Dr. Weiming Yan is accepting new patients at this time.

    Does Dr. Weiming Yan offer online booking?

    Please contact Dr. Yan's office at (301) 695-6800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Weiming Yan?

    Please contact Dr. Yan's office at (301) 695-6800 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Weiming Yan have?

    Dr. Weiming Yan is certified by the American Board of Internal Medicine.

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