29 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Sim, Internist in Downey, CA?
Dr. William Sim, MD is an Internist, who primarily practices in Downey, CA. He has been practicing for over 29 years and is board certified. Dr. Sim graduated from Stanford University School of Medicine and completed his residency at Ucla Med Ctr, Internal Medicine. Dr. Sim is fluent in English and Korean, and is currently seeing new patients. Dr. Sim’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sim’s office at (562) 806-0874.
Where did Dr. Sim go to medical school and complete their residency?
Residency: Ucla Med Ctr, Internal Medicine | University of California, Los Angeles (UCLA) Affiliated Hospitals | Harbor-UCLA Medical Center
Medical School: Stanford Univ Sch Of Med- Stanford Ca | Stanford University School of Medicine
Is Dr. Sim board certified as an Internist?
Yes, Dr. William Sim, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Sim speak?
Dr. Sim and their clinical team can communicate with patients in the following languages:
English
Korean
What conditions does an Internist like Dr. Sim typically treat?
As an Internist, Dr. Sim 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. Sim. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
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:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
- E7800: Pure hypercholesterolemia, unspecified
Also known as:
- Dementia
- Cognitive decline
- Memory loss
- Brain disorder
ICD-10 Codes:
- F0390: Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
Also known as:
- Primary Generalized Osteoarthritis
- Osteoarthritis
- Primary Widespread Arthritis
- Idiopathic Generalized Osteoarthritis
- Generalized Degenerative Joint Disease
ICD-10 Codes:
- M150: Primary generalized (osteo)arthritis
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:
- Other Chronic Pain Condition
- Chronic Pain
- Various chronic pain
- Unspecified long-term pain
- Persistent pain disorders
ICD-10 Codes:
- G8929: Other chronic pain
What procedures does an Internist like Dr. Sim typically perform?
As an Internist, procedures performed by Dr. William Sim 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. Sim's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Sim accept my insurance?
Dr. Sim accepts most major insurance plans. Important: Please call our office at (562) 806-0874 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sim accept in Downey, CA?
Dr. Sim in Downey, 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
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
OptumRx Administered Payer
Other Health Care Provider
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Sim's office located?
Dr. William Sim's Primary Practice
11480 Brookshire Ave Ste 200
Downey, CA 90241
(562) 806-0874
What is Dr. Sim's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sim's National Provider Identifier (NPI) number is 1437256906.
What common questions do patients ask about Dr. Sim?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sim
What is Dr. William Sim's specialty?
Dr. Sim is a Internist near Downey, 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. William Sim affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Sim is affiliated with Adventist Health White Memorial, Pih Health Whittier Hospital, Uci Medical Center, Pih Health Good Samaritan Hospital, Providence St. Jude 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 William Sim accepting new patients in Downey, CA?
Yes, Dr. William Sim is accepting new patients at this time.
Does Dr. William Sim offer online booking?
Please contact Dr. Sim's office at (562) 806-0874 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Sim?
Please contact Dr. Sim's office at (562) 806-0874 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. William Sim have?
Dr. William Sim is certified by the American Board of Internal Medicine.
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