Affiliated with a Castle Connolly Top Hospital
Who is Dr. Siew, Internist in Westminster, CA?
Dr. Melissa Siew, MD is an Internist, who primarily practices in Westminster, CA with 2 additional practice locations. Dr. Siew is fluent in English and Spanish, and is currently seeing new patients. Dr. Siew’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Siew’s office at (714) 379-3221.
What languages does Dr. Siew speak?
Dr. Siew and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Internist like Dr. Siew typically treat?
As an Internist, Dr. Siew 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. Siew. 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 here.
Also known as:
- Alzheimer's Disease
- Late-Onset Alzheimer's Disease
- Alzheimer's Disease Fact Sheet
- AD
- Alzheimer's Dementia
- Memory Loss Disease
- Sporadic Alzheimer's
- Alzheimer's in Older Adults
ICD-10 Codes:
- G309: Alzheimer's disease, unspecified
- G301: Alzheimer's disease with late onset
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- Unsteadiness on Feet
- Walking Problems
- Feeling Unsteady
- Balance Problems
- Dizziness While Standing
ICD-10 Codes:
- R2681: Unsteadiness on feet
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- COPD
- Chronic Obstructive Pulmonary Disease
- Chronic Lung Disease
- Emphysema and Chronic Bronchitis
ICD-10 Codes:
- J449: Chronic obstructive pulmonary disease, unspecified
What procedures does an Internist like Dr. Siew typically perform?
As an Internist, procedures performed by Dr. Melissa Siew may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
Please contact Dr. Siew's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Siew accept my insurance?
Dr. Siew accepts most major insurance plans. Important: Please call our office at (714) 379-3221 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Siew accept in Westminster, CA?
Dr. Siew in Westminster, 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
HealthRight Group
Humana
Kaiser Permanente
Medicare
Monarch HealthCare
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Siew's office located?
Dr. Melissa Siew's Primary Practice
7955 Westminster Blvd
Westminster, CA 92683
(714) 379-3221
What is Dr. Siew's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Siew's National Provider Identifier (NPI) number is 1780096099.
What common questions do patients ask about Dr. Siew?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Siew
What is Dr. Melissa Siew's specialty?
Dr. Siew is a Internist near Westminster, 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. Melissa Siew affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Siew is affiliated with Providence Mission Hospital Mission Viejo, Kaiser Permanente Orange County - Anaheim 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 Melissa Siew accepting new patients in Westminster, CA?
Yes, Dr. Melissa Siew is accepting new patients at this time.
Does Dr. Melissa Siew offer online booking?
Please contact Dr. Siew's office at (714) 379-3221 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Melissa Siew?
Please contact Dr. Siew's office at (714) 379-3221 for information regarding telehealth appointment availability or for scheduling assistance.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>