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Dr. Derek Fong, MD

Harbor City, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fong, Gastroenterologist in Harbor City, CA?

    Dr. Derek Fong, MD is a Gastroenterologist, who primarily practices in Harbor City, CA with 1 additional practice location. He is board certified by the American Board of Internal Medicine. Dr. Fong is fluent in English, and is currently seeing new patients. Dr. Fong’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fong’s office at (310) 325-5111.

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

      Is Dr. Fong board certified in Gastroenterologist?

      Yes, Dr. Derek Fong, MD is board certified by the American Board of Internal Medicine

      What languages does Dr. Fong speak?

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

      • English

      What conditions does Dr. Fong treat?

      As a Gastroenterologist, Dr. Fong 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. Fong. 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:

      • Abdominal Pain
      • Upper Middle Abdominal Pain
      • Stomach Ache
      • Belly Pain
      • Stomach Pain
      • Epigastric pain
      • Pain below breastbone
      • Upper stomach pain

      ICD-10 Codes:

      • R109: Unspecified abdominal pain
      • R1013: Epigastric pain

      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:

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

      ICD-10 Codes:

      • K5900: Constipation, unspecified

      Also known as:

      • Iron Deficiency Anemia
      • Anemia
      • Iron
      • Anemia from Iron Lack
      • Low Iron Anemia
      • Sideropenic Anemia
      • Low Red Blood Cell Count
      • Low Hemoglobin
      • Iron deficiency

      ICD-10 Codes:

      • D509: Iron deficiency anemia, unspecified
      • D649: Anemia, unspecified

      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:

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

      ICD-10 Codes:

      • R197: Diarrhea, unspecified

      Also known as:

      • Ulcerative Colitis
      • Colitis
      • Inflammatory Bowel Disease (IBD)
      • Chronic Colitis

      ICD-10 Codes:

      • K5190: Ulcerative colitis, unspecified, without complications

      Also known as:

      • Difficulty Swallowing
      • Swallowing Disorder
      • Dysphagia
      • Trouble swallowing
      • Painful swallowing

      ICD-10 Codes:

      • R1310: Dysphagia, unspecified

      Also known as:

      • Nausea
      • Nausea and Vomiting
      • Feeling Sick to Stomach
      • Queasiness
      • Upset Stomach

      ICD-10 Codes:

      • R110: Nausea

      Also known as:

      • Abnormal Digestive Tract Imaging
      • Abnormal GI scan
      • Unusual digestive imaging
      • Digestive system imaging findings

      ICD-10 Codes:

      • R933: Abnormal findings on diagnostic imaging of other parts of digestive tract

      Also known as:

      • Crohn's Disease of the Small Intestine
      • Crohn's Disease
      • Crohn’s Disease
      • Regional Enteritis
      • Inflammatory Bowel Disease (IBD)
      • Ileitis

      ICD-10 Codes:

      • K5000: Crohn's disease of small intestine without complications

      Also known as:

      • Irritable Bowel Syndrome (IBS)
      • Irritable Bowel Syndrome
      • Spastic Colon
      • Functional Bowel Disorder
      • IBS

      ICD-10 Codes:

      • K589: Irritable bowel syndrome, unspecified

      Also known as:

      • Cirrhosis
      • Liver scarring
      • End-stage liver disease
      • Chronic liver failure

      ICD-10 Codes:

      • K7460: Unspecified cirrhosis of liver

      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:

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

      ICD-10 Codes:

      • K635: Polyp of colon

      Also known as:

      • Personal Choice Not to Vaccinate
      • Vaccine Refusal
      • Patient Declined Vaccination
      • Unvaccinated by Choice

      ICD-10 Codes:

      • Z2820: Immunization not carried out because of patient decision for unspecified reason

      Does Dr. Fong accept my insurance?

      Dr. Fong accepts most major insurance plans. Important: Please call our office at (310) 325-5111 before your appointment to verify that your specific plan and network are accepted.

      What insurance plans does Dr. Fong accept in Harbor City, CA?

      Dr. Fong in Harbor City, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

      Top Insurances

      • All Other Third Party

      • AllCare Health Plan

      • Centene

      • City of Los Angeles

      • Department of Defense / Tricare

      • Humana

      • Kaiser Permanente

      • Medicare

      • Preferred IPA

      • UnitedHealthcare

      View All Insurances

      Where is Dr. Fong's office located?

      Dr. Derek Fong's Primary Practice

      25821 Vermont Ave

      Harbor City, CA 90710

      (310) 325-5111

      Get Directions

      Dr. Derek Fong's Practice 2

      18600 S Figueroa St

      Gardena, CA 90248

      Get Directions

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

      Dr. Fong's National Provider Identifier (NPI) number is 1497876247.

      What common questions do patients ask about Dr. Fong?

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

      What is Dr. Derek Fong's specialty?

      Dr. Fong is a Gastroenterologist near Harbor City, 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. Fong to book an appointment today.

      Is this Dr. Derek Fong affiliated with a ranked Castle Connolly Top Hospital?

      Yes, Dr. Fong is affiliated with Kaiser Permanente South Bay 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 Derek Fong accepting new patients in Harbor City, CA?

      Yes, Dr. Derek Fong is accepting new patients at this time.

      Does Dr. Derek Fong offer online booking?

      Please contact Dr. Fong's office at (310) 325-5111 for information about online booking, telehealth, or to schedule an appointment.

      How can I make an appointment with Derek Fong?

      Please contact Dr. Fong's office at (310) 325-5111 for information regarding telehealth appointment availability or for scheduling assistance.

      Which board certifications does Dr. Derek Fong have?

      Dr. Derek Fong is certified by the American Board of Internal Medicine.

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