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Dr. Woo Sung Ahn, MD

Lakewood, CA

43 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ahn, Internist in Lakewood, CA?

    Dr. Woo Sung Ahn, MD is an Internist, who primarily practices in Lakewood, CA. He has been practicing for over 43 years and is board certified. Dr. Ahn is fluent in English and Korean, and is currently seeing new patients. Dr. Ahn’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ahn’s office at (562) 916-5020.

    Where did Dr. Ahn go to medical school and complete their residency?

    • Medical School: Seoul National University, College of Medicine,Seoul, Korea, South

    What languages does Dr. Ahn speak?

    Dr. Ahn and their clinical team can communicate with patients in the following languages:

    • English

    • Korean

    What conditions does Dr. Ahn treat?

    As a Internist, Dr. Ahn 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. Ahn. 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:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Type 2 Diabetes
    • Type 2 Diabetes with High Blood Sugar
    • Type 2 Diabetes with Chronic Kidney Disease
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Complicationss
    • Diabetic Kidney Problems
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels
    • Diabetes Mellitus Complications
    • Diabetes Related Health Problems
    • Advanced Diabetes
    • Diabetic Chronic Kidney Disease
    • Long-term Kidney Failure from Type 2 Diabetes
    • Type 2 Diabetes End-Stage Renal Disease

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1165: Type 2 diabetes mellitus with hyperglycemia
    • E1169: Type 2 diabetes mellitus with other specified complication
    • E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease

    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:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified
    • E785: Hyperlipidemia, 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:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

    Also known as:

    • Waking Up to Urinate at Night
    • Urine and Urination
    • Nocturia
    • Nighttime urination
    • Frequent night peeing

    ICD-10 Codes:

    • R351: Nocturia

    Also known as:

    • Vitamin D Deficiency
    • Low Vitamin D Levels
    • Lack of Vitamin D
    • Hypovitaminosis D

    ICD-10 Codes:

    • E559: Vitamin D deficiency, unspecified

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Depression (Single Episode)
    • Depression
    • Major depression
    • Depressive episode
    • Clinical depression

    ICD-10 Codes:

    • F329: Major depressive disorder, single episode, 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 Non-Thrombocytopenic Purpura
    • Bleeding Disorder
    • Vascular purpura
    • Purpura without low platelets
    • Skin bleeding disorder

    ICD-10 Codes:

    • D692: Other nonthrombocytopenic purpura

    Also known as:

    • Hardening of the Aorta
    • Atherosclerosis
    • Aortic artery hardening
    • Aortic plaque buildup
    • Aortic calcification

    ICD-10 Codes:

    • I700: Atherosclerosis of aorta

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Malaise
    • Fatigue
    • General discomfort
    • Feeling unwell
    • Unease

    ICD-10 Codes:

    • R5381: Other malaise

    Which procedures does Dr. Ahn perform as a Internist?

    As a Internist, procedures performed by an Dr. Woo Sung Ahn may include:

    For detailed information, please contact Dr. Ahn's office.

    Does Dr. Ahn accept my insurance?

    Dr. Ahn accepts most major insurance plans. Important: Please call our office at (562) 916-5020 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ahn accept in Lakewood, CA?

    Dr. Ahn in Lakewood, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Auxiant

    • CalOptima

    • Centene

    • City of Los Angeles

    • Clever Care Health Plan

    • Crown Cork and Seal Company

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Other Health Care Provider

    • SGS North America Inc

    View All Insurances

    Where is Dr. Ahn's office located?

    Dr. Woo Sung Ahn's Primary Practice

    20145 Pioneer Blvd

    Lakewood, CA 90715

    (562) 916-5020

    Get Directions

    What is Dr. Ahn's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Ahn's National Provider Identifier (NPI) number is 1396807806.

    What common questions do patients ask about Dr. Ahn?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ahn

    What is Dr. Woo Sung Ahn's specialty?

    Dr. Ahn is a Internist near Lakewood, CA.

    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.

    Contact Dr. Ahn to book an appointment today.

    Is this Dr. Woo Sung Ahn affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ahn is affiliated with Cedars-Sinai Medical Center which is a Castle Connolly Top Hospital. 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

    Where can I learn more about Internist?

    Explore Internist 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 Woo Sung Ahn accepting new patients in Lakewood, CA?

    Yes, Dr. Woo Sung Ahn is accepting new patients at this time.

    Does Dr. Woo Sung Ahn offer online booking?

    Please contact Dr. Ahn's office at (562) 916-5020 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Woo Sung Ahn?

    Please contact Dr. Ahn's office at (562) 916-5020 for information regarding telehealth appointment availability or for scheduling assistance.

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