EverydayHealthLogo
Dr. Eugene Lee, MD

Dr. Eugene Lee, MD

San Mateo, CA

30 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Lee, Gastroenterologist in San Mateo, CA?

    Dr. Eugene Lee, MD is a Gastroenterologist, who primarily practices in San Mateo, CA. He has been practicing for over 30 years and is board certified by the American Board of Internal Medicine. Dr. Lee graduated from New York University School of Medicine and completed his residency at U Rochester/Strong Meml Hosp. Dr. Lee is fluent in English, Korean, and Spanish, and is currently seeing new patients. Dr. Lee’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lee’s office at (650) 342-7432.

    What are Areas of Expertise for Dr. Lee?

    Dr. Eugene Lee, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Lee empowers patients to confidently navigate their health journey, specializing in Colon & Rectal Cancer, Gastroesophageal Reflux Disease (GERD), Gastrointestinal Disorders, or comprehensive wellness support. Serving the San Mateo/CA community, Dr. Lee is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: U Rochester/Strong Meml Hosp | Strong Memorial Hospital

    • Medical School: NEW YORK UNIV SCH OF MEDICINE | New York University School of Medicine

    Is Dr. Lee board certified in Gastroenterologist?

    Yes, Dr. Eugene Lee, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Lee speak?

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

    • English

    • Korean

    • Spanish

    What conditions does Dr. Lee treat?

    As a Gastroenterologist, Dr. Lee 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. Lee. 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:

    • Benign Sigmoid Colon Polyp
    • Benign Transverse Colon Polyp
    • Benign Ascending Colon Polyp
    • Benign Cecum Polyp
    • Benign Tumor
    • Colonic Polyps
    • Colon Polyps
    • Non-cancerous sigmoid colon growth
    • Sigmoid colon adenoma
    • Sigmoid colon benign tumor
    • Non-cancerous transverse colon growth
    • Transverse colon adenoma
    • Transverse colon benign tumor
    • Non-cancerous ascending colon growth
    • Ascending colon adenoma
    • Ascending colon benign tumor
    • Non-cancerous cecum growth
    • Cecal adenoma
    • Cecum benign tumor

    ICD-10 Codes:

    • D125: Benign neoplasm of sigmoid colon
    • D123: Benign neoplasm of transverse colon
    • D122: Benign neoplasm of ascending colon
    • D120: Benign neoplasm of cecum

    Also known as:

    • Colon Polyps
    • Non-Infectious Gastroenteritis and Colitis
    • Colonic Polyps
    • Digestive Disease
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps
    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Acid Reflux
    • GERD with Esophagitis
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Eosinophilic Esophagitis
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion
    • Reflux Esophagitis
    • Acid Reflux Esophagus Inflammation
    • Heartburn with Esophagus Damage

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis
    • K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding

    Also known as:

    • Rectal Bleeding
    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum
    • K921: Melena

    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:

    • 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:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    Also known as:

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

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • Other Esophagus Condition
    • Esophagus Disorder
    • Various esophageal diseases
    • Miscellaneous esophagus problems
    • Other food pipe issues

    ICD-10 Codes:

    • K2289: Other specified disease of esophagus

    Also known as:

    • Diverticulosis
    • Diverticulosis and Diverticulitis
    • Diverticular Disease
    • Intestinal Diverticula
    • Pouches in Intestine

    ICD-10 Codes:

    • K5790: Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Family History of Digestive Organ Cancer
    • Cancer
    • Family History
    • Genetic risk for gastrointestinal cancer
    • Family history of GI cancer
    • Hereditary digestive cancer

    ICD-10 Codes:

    • Z800: Family history of malignant neoplasm of digestive organs

    Also known as:

    • Large Intestine Diverticulosis
    • Diverticulosis and Diverticulitis
    • Diverticular Disease
    • Colon Diverticula
    • Pockets in the Colon

    ICD-10 Codes:

    • K5730: Diverticulosis of large intestine without perforation or abscess without bleeding

    Does Dr. Lee accept my insurance?

    Dr. Lee accepts most major insurance plans. Important: Please call our office at (650) 342-7432 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Lee accept in San Mateo, CA?

    Dr. Lee in San Mateo, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alignment Health Plan

    • All Other Third Party

    • Blue Shield of California

    • Cigna

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Other Provider Networks

    • Sutter Health

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Lee's office located?

    Dr. Eugene Lee's Primary Practice

    100 S Ellsworth Ave Ste 507

    San Mateo, CA 94401

    (650) 342-7432

    Get Directions

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

    Dr. Lee's National Provider Identifier (NPI) number is 1023049590.

    What common questions do patients ask about Dr. Lee?

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

    What is Dr. Eugene Lee's specialty?

    Dr. Lee is a Gastroenterologist near San Mateo, CA. 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. Lee to book an appointment today.

    Is this Dr. Eugene Lee affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Lee is affiliated with Mills-Peninsula Medical Center 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 Eugene Lee accepting new patients in San Mateo, CA?

    Yes, Dr. Eugene Lee is accepting new patients at this time.

    Does Dr. Eugene Lee offer online booking?

    Please contact Dr. Lee's office at (650) 342-7432 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Eugene Lee?

    Please contact Dr. Lee's office at (650) 342-7432 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Eugene Lee have?

    Dr. Eugene Lee is certified by the American Board of Internal Medicine.

    Other Gastroenterologist Near San Mateo, CA

    Dr. Edward Onuma

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    San Mateo, CA
    Dr. Marna Skaar, MD

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    San Mateo, CA
    DS

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    San Mateo, CA
    See All Specialists

    Doctors by Category

    Specialists