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Accepting patients
Who is Dr. Sy, Gastroenterologist in Laguna Hills, CA?
Dr. Theodore Sy, MD is a Gastroenterologist, who primarily practices in Laguna Hills, CA. He is board certified by the American Board of Internal Medicine. Dr. Sy graduated from Northwestern University The Feinberg School of Medicine. Dr. Sy is fluent in English, and is currently seeing new patients. Dr. Sy’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sy’s office at (949) 448-0656.
Where did Dr. Sy go to medical school and complete their residency?
Medical School: Northwestern University The Feinberg School of Medicine
Is Dr. Sy board certified in Gastroenterologist?
Yes, Dr. Theodore Sy, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Sy speak?
Dr. Sy and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Sy treat?
As a Gastroenterologist, Dr. Sy 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. Sy. 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:
- 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
- Z860100: Personal history of colon polyps, unspecified
- 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:
- Chronic Stomach Inflammation
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2950: Unspecified chronic gastritis without bleeding
- K2970: Gastritis, unspecified, without bleeding
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:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
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:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Chronic Hepatitis B
- Hepatitis B
- Long-term Hepatitis B
- Persistent Hepatitis B
- Hep B
ICD-10 Codes:
- B181: Chronic viral hepatitis B without delta-agent
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Abnormal Bowel Movements
- Bowel Movement
- Unusual stool
- Changes in poop
- Fecal changes
ICD-10 Codes:
- R195: Other fecal abnormalities
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
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:
- Cirrhosis
- Liver scarring
- End-stage liver disease
- Chronic liver failure
ICD-10 Codes:
- K7460: Unspecified cirrhosis of liver
Also known as:
- Stomach or Duodenum Polyp
- Stomach Disorder
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
ICD-10 Codes:
- K317: Polyp of stomach and duodenum
Which procedures does Dr. Sy perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Theodore Sy may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Sy's office.
Does Dr. Sy accept my insurance?
Dr. Sy accepts most major insurance plans. Important: Please call our office at (949) 448-0656 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sy accept in Laguna Hills, CA?
Dr. Sy in Laguna Hills, 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
Blue Shield of California
Centene
CVS Health (formerly Aetna)
Express Scripts
Humana
Medicare
Other Health Care Provider
Scan Health Plan
UnitedHealthcare
View All Insurances
Where is Dr. Sy's office located?
Dr. Theodore Sy's Primary Practice
26538 Moulton Pkwy Ste 38E
Laguna Hills, CA 92653
(949) 448-0656
What is Dr. Sy's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sy's National Provider Identifier (NPI) number is 1003865627.
What common questions do patients ask about Dr. Sy?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sy
What is Dr. Theodore Sy's specialty?
Dr. Sy is a Gastroenterologist near Laguna Hills, 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. Sy to book an appointment today.
Is this Dr. Theodore Sy affiliated with a ranked Castle Connolly Top Hospital?
No, Sy is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Saddleback Medical Center. Castle Connolly Top Hospitals 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 Theodore Sy accepting new patients in Laguna Hills, CA?
Yes, Dr. Theodore Sy is accepting new patients at this time.
Does Dr. Theodore Sy offer online booking?
Please contact Dr. Sy's office at (949) 448-0656 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Theodore Sy?
Please contact Dr. Sy's office at (949) 448-0656 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Theodore Sy have?
Dr. Theodore Sy is certified by the American Board of Internal Medicine.
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