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Dr. Kenneth Horwitz, MD

Anaheim, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Horwitz, Internist in Anaheim, CA?

    Dr. Kenneth Horwitz, MD is an Internist, who primarily practices in Anaheim, CA with 1 additional practice location. He is board certified. Dr. Horwitz graduated from Washington University School of Medicine, St. Louis and completed his residency at Baystate Med Ctr, Internal Medicine. Dr. Horwitz is fluent in English and Spanish, and is currently seeing new patients. Dr. Horwitz’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Horwitz’s office at (714) 772-8282.

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

    • Residency: Baystate Med Ctr, Internal Medicine | Baystate Medical Center/Tufts University School of Medicine Program

    • Medical School: Washington University School of Medicine, St. Louis | Washington University School of Medicine, St. Louis

    Is Dr. Horwitz board certified as an Internist?

    Yes, Dr. Kenneth Horwitz, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Horwitz speak?

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

    • English

    • Spanish

    What conditions does an Internist like Dr. Horwitz typically treat?

    As an Internist, Dr. Horwitz 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. Horwitz. 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:

    • 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 Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

    • Abnormal Blood Sugar
    • Blood Glucose
    • High blood glucose
    • Low blood glucose
    • Glucose intolerance

    ICD-10 Codes:

    • R7309: Other abnormal glucose

    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
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    What procedures does an Internist like Dr. Horwitz typically perform?

    As an Internist, Dr. Horwitz 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. Horwitz. 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:

    • 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

    Does Dr. Horwitz accept my insurance?

    Dr. Horwitz accepts most major insurance plans. Important: Please call our office at (714) 772-8282 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Horwitz accept in Anaheim, CA?

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

    Top Insurances

    • Alignment Healthcare

    • All Other Commercial

    • All Other Third Party

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Monarch HealthCare

    • OptumRx Administered Payer

    • State of California

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Horwitz's office located?

    Dr. Kenneth Horwitz's Primary Practice

    1211 W La Palma Ave Ste 207

    Anaheim, CA 92801

    (714) 772-8282

    Get Directions

    Dr. Kenneth Horwitz's Practice 2

    13522 Newport Ave

    Tustin, CA 92780

    Get Directions

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

    Dr. Horwitz's National Provider Identifier (NPI) number is 1225138829.

    What common questions do patients ask about Dr. Horwitz?

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

    What is Dr. Kenneth Horwitz's specialty?

    Dr. Horwitz is a Internist near Anaheim, 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. Kenneth Horwitz affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Horwitz is affiliated with Ahmc Anaheim Regional Medical Center, Hoag Hospital Newport Beach, Uci Medical Center, Providence Mission Hospital Mission Viejo, Providence Saint John's Health 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 Kenneth Horwitz accepting new patients in Anaheim, CA?

    Yes, Dr. Kenneth Horwitz is accepting new patients at this time.

    Does Dr. Kenneth Horwitz offer online booking?

    Please contact Dr. Horwitz's office at (714) 772-8282 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Kenneth Horwitz?

    Please contact Dr. Horwitz's office at (714) 772-8282 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Kenneth Horwitz have?

    Dr. Kenneth Horwitz is certified by the American Board of Internal Medicine.

    <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>