20 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Siu, Internist in Laguna Hills, CA?
Dr. Curtis Siu, MD is an Internist, who primarily practices in Laguna Hills, CA. He has been practicing for over 20 years and is board certified. Dr. Siu graduated from University of California and completed his residency at Huntington Mem Hosp, Internal Medicine. He is a member of the MemorialCare Physician Society. Dr. Siu is fluent in English and Chinese, and is currently seeing new patients. Dr. Siu’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Siu’s office at (949) 420-5988.
Where did Dr. Siu go to medical school and complete their residency?
Residency: Huntington Mem Hosp, Internal Medicine | Huntington Mem Hospital
Medical School: University of Ca, San Diego, Sch of Med, La Jolla Ca | University of California
Is Dr. Siu board certified as an Internist?
Yes, Dr. Curtis Siu, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Siu speak?
Dr. Siu and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does an Internist like Dr. Siu typically treat?
As an Internist, Dr. Siu 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. Siu. 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:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- General Disorder Screening
- Cardiovascular Disorder Screening
- Health Screening
- General Health Check
- Disease Screening
- Medical Disorder Screening
- Heart Disease Screening
- Vascular Disease Check
- Cardiac Screening
ICD-10 Codes:
- Z1389: Encounter for screening for other disorder
- Z136: Encounter for screening for cardiovascular disorders
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- General Counseling Services
- Personal Counseling
- Life Coaching
- Support Services
ICD-10 Codes:
- Z7189: Other specified counseling
Also known as:
- Other High Cholesterol
- Cholesterol
- Triglycerides
- Other hyperlipidemia
- Other high lipids
- Dyslipidemia
ICD-10 Codes:
- E7849: Other hyperlipidemia
Also known as:
- Depression Screening
- Depression
- Health Screening
- Depression Test
- Mental Health Check for Depression
- Mood Disorder Screening
ICD-10 Codes:
- Z1331: Encounter for screening for depression
What procedures does an Internist like Dr. Siu typically perform?
As an Internist, Dr. Siu 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. Siu. 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
- 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
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
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:
- Cataract Removal with Lens Implant
- Extracapsular cataract extraction
- Phacoemulsification
- IOL implantation
CPT Codes:
- 66984: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); without endoscopic cyclophotocoagulation
Also known as:
- Lumbar or Sacral Epidural Injection with Imaging
- Epidural Steroid Injection
- Caudal Epidural Injection
- Spinal Nerve Block
- Pain Management Injection
CPT Codes:
- 62323: Injection(s), of diagnostic or therapeutic substance(s) (eg, anesthetic, antispasmodic, opioid, steroid, other solution), not including neurolytic substances, including needle or catheter placement, interlaminar epidural or subarachnoid, lumbar or sacral (caudal); with imaging guidance (ie, fluoroscopy or CT)
Does Dr. Siu accept my insurance?
Dr. Siu accepts most major insurance plans. Important: Please call our office at (949) 420-5988 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Siu accept in Laguna Hills, CA?
Dr. Siu 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
Centene Corporation
Federal government of the United States
Humana
Medicare
Monarch HealthCare
Other Health Care Provider
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Siu's office located?
Dr. Curtis Siu's Primary Practice
24221 Calle de la Louisa Ste 200
Laguna Hills, CA 92653
(949) 420-5988
Recognitions
Memberships & Associations
MemorialCare Physician Society
Member
What is Dr. Siu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Siu's National Provider Identifier (NPI) number is 1386613081.
What common questions do patients ask about Dr. Siu?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Siu
What is Dr. Curtis Siu's specialty?
Dr. Siu is a Internist near Laguna Hills, CA.
What does an Internist do?
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Is this Dr. Curtis Siu affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Siu is affiliated with Hoag Hospital Newport Beach, Providence Mission Hospital Mission Viejo, Uci Medical Center, Orange County Global Medical Center which are a Castle Connolly Top Hospitals. 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 an Internist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Internist. 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 Curtis Siu accepting new patients in Laguna Hills, CA?
Yes, Dr. Curtis Siu is accepting new patients at this time.
Does Dr. Curtis Siu offer online booking?
Please contact Dr. Siu's office at (949) 420-5988 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Curtis Siu?
Please contact Dr. Siu's office at (949) 420-5988 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Curtis Siu have?
Dr. Curtis Siu is certified by the American Board of Internal Medicine.
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