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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. 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 as a 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
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z860100: Personal history of colon polyps, unspecified
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:
- 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:
- 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:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
What procedures does Dr. Sy perform?
As a Gastroenterologist, Dr. Sy 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. 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:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 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
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:
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
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
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Humana
Medicare
Scan Health Plan
State of Tennessee
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, Orange Coast Medical Center, Memorialcare Long Beach 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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