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Dr. Gemma Ko, MD

Pico Rivera, CA

32 Years of Experience

Accepting patients

    Who is Dr. Ko, Internist in Pico Rivera, CA?

    Dr. Gemma Ko, MD is an Internist, who primarily practices in Pico Rivera, CA. She has been practicing for over 32 years and is board certified. Dr. Ko graduated from University of Hawaii and completed her residency at Univ Hi-J A Burns Sch Med, Internal Medicine. Dr. Ko is fluent in English and Korean, and is currently seeing new patients. Dr. Ko’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. Ko’s office at (562) 692-3388.

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

    • Residency: Univ Hi-J A Burns Sch Med, Internal Medicine | University of Hawaii Program

    • Medical School: University of Hi John A Burns Sch of Med, Honolulu Hi | University of Hawaii

    What languages does Dr. Ko speak?

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

    • English

    • Korean

    What conditions does Dr. Ko treat?

    As a Internist, Dr. Ko 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. Ko. 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:

    • Adult Health Checkup with Abnormal Findings
    • Health Checkup
    • Adult Physical Exam with Issues
    • Routine Checkup with Concerns
    • General Medical Exam with Abnormal Results

    ICD-10 Codes:

    • Z0001: Encounter for general adult medical examination with abnormal findings

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Type 2 Diabetes
    • Type 2 Diabetes with High Blood Sugar
    • Type 2 Diabetes with Diabetic Neuropathy
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Complicationss
    • Diabetic Nerve Problems
    • Diabetic Neuropathy
    • 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 nerve damage
    • Diabetes-related nerve pain
    • Peripheral neuropathy from diabetes

    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
    • E1140: Type 2 diabetes mellitus with diabetic neuropathy, unspecified

    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:

    • Cervical Cancer Screening
    • HPV and Pap Test Results
    • Pap Test
    • HPV Test
    • Cervical Smear
    • Early Cervical Cancer Detection

    ICD-10 Codes:

    • Z124: Encounter for screening for malignant neoplasm of cervix

    Also known as:

    • Severe Obesity
    • Obesity
    • Helping Your Child Who Is Overweight
    • Take Charge of Your Health: A Guide for Teenagers
    • Understanding Adult Overweight & Obesity
    • Body Weight
    • Morbid Obesity
    • Extreme Obesity
    • Class 3 Obesity
    • High Body Mass Index

    ICD-10 Codes:

    • E6601: Morbid (severe) obesity due to excess calories
    • Z684: Body mass index [BMI] 40 or greater, adult

    Also known as:

    • Prediabetes
    • Insulin Resistance & Prediabetes
    • Borderline diabetes
    • Insulin resistance
    • High blood sugar (not yet diabetes)

    ICD-10 Codes:

    • R7303: Prediabetes

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

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

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Moderate Major Depressive Disorder (Single Episode)
    • Depression
    • Moderate clinical depression
    • Moderate unipolar depression
    • Moderate depressive episode

    ICD-10 Codes:

    • F321: Major depressive disorder, single episode, moderate

    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:

    • Chronic pain syndrome
    • Chronic Pain
    • Persistent pain syndrome
    • Long-term pain condition
    • Chronic widespread pain

    ICD-10 Codes:

    • G894: Chronic pain syndrome

    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:

    • Cardiomyopathy
    • Heart Muscle Disease
    • Enlarged Heart

    ICD-10 Codes:

    • I429: Cardiomyopathy, unspecified

    Which procedures does Dr. Ko perform as a Internist?

    As a Internist, procedures performed by an Dr. Gemma Ko may include:

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

    Does Dr. Ko accept my insurance?

    Dr. Ko accepts most major insurance plans. Important: Please call our office at (562) 692-3388 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ko accept in Pico Rivera, CA?

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

    Top Insurances

    • All Other Commercial

    • All Other Third Party

    • Blue Shield of California

    • Centene

    • City of Los Angeles

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • OptumRx

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ko's office located?

    Dr. Gemma Ko's Primary Practice

    4511 Rosemead Blvd

    Pico Rivera, CA 90660

    (562) 692-3388

    Get Directions

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

    Dr. Ko's National Provider Identifier (NPI) number is 1437167715.

    What common questions do patients ask about Dr. Ko?

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

    What is Dr. Gemma Ko's specialty?

    Dr. Ko is a Internist near Pico Rivera, 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. Ko to book an appointment today.

    Is this Dr. Gemma Ko affiliated with a ranked Castle Connolly Top Hospital?

    No, Ko is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Pih Health Whittier Hospital. 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 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 Gemma Ko accepting new patients in Pico Rivera, CA?

    Yes, Dr. Gemma Ko is accepting new patients at this time.

    Does Dr. Gemma Ko offer online booking?

    Please contact Dr. Ko's office at (562) 692-3388 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Gemma Ko?

    Please contact Dr. Ko's office at (562) 692-3388 for information regarding telehealth appointment availability or for scheduling assistance.

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