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Dr. Masaharu Osato, MD

Torrance, CA

36 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Osato, Gastroenterologist in Torrance, CA?

    Dr. Masaharu Osato, MD is a Gastroenterologist, who primarily practices in Torrance, CA with 1 additional practice location. He has been practicing for over 36 years and is board certified. Dr. Osato graduated from Loma Linda University School of Medicine and completed his residency at Loma Linda Univ Med Ctr, Pediatrics; Kettering Med Ctr, Internal Medicine. Dr. Osato is fluent in English and Japanese, and is currently seeing new patients. Dr. Osato’s practice accepts Cigna, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Osato’s office at (310) 534-8200.

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

    • Residency: Loma Linda Univ Med Ctr, Pediatrics; Kettering Med Ctr, Internal Medicine | Kettering Medical Center Program

    • Medical School: Loma Linda University School of Medicine

    Is Dr. Osato board certified as a Gastroenterologist?

    Yes, Dr. Masaharu Osato, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Osato speak?

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

    • English

    • Japanese

    What conditions does Dr. Osato treat?

    As a Gastroenterologist, Dr. Osato 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. Osato. 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:

    • 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 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:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    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:

    • 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 Dr. Osato perform?

    As a Gastroenterologist, Dr. Osato 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. Osato. 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:

    • 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

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Does Dr. Osato accept my insurance?

    Dr. Osato accepts most major insurance plans. Important: Please call our office at (310) 534-8200 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Osato accept in Torrance, CA?

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

    Top Insurances

    • Centene

    • Cigna

    • CVS Health (formerly Aetna)

    • Medicare

    • State of Tennessee

    • Western Growers Association

    View All Insurances

    Where is Dr. Osato's office located?

    Dr. Masaharu Osato's Primary Practice

    2860 Sepulveda Blvd

    Torrance, CA 90505

    (310) 534-8200

    Get Directions

    Dr. Masaharu Osato's Practice 2

    3440 Lomita Blvd Ste 224

    Torrance, CA 90505

    (310) 534-8200

    Get Directions

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

    Dr. Osato's National Provider Identifier (NPI) number is 1265470280.

    What common questions do patients ask about Dr. Osato?

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

    What is Dr. Masaharu Osato's specialty?

    Dr. Osato is a Gastroenterologist near Torrance, CA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Osato to book an appointment today.

    Is this Dr. Masaharu Osato affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Osato is affiliated with Torrance Memorial 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 Gastroenterologist?

    Explore Gastroenterologist 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 Masaharu Osato accepting new patients in Torrance, CA?

    Yes, Dr. Masaharu Osato is accepting new patients at this time.

    Does Dr. Masaharu Osato offer online booking?

    Please contact Dr. Osato's office at (310) 534-8200 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Masaharu Osato?

    Please contact Dr. Osato's office at (310) 534-8200 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Masaharu Osato have?

    Dr. Masaharu Osato is certified by the American Board of Internal Medicine.

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