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Dr. John Gruen, MD

Panorama City, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Gruen, Internist in Panorama City, CA?

    Dr. John Gruen, MD is an Internist, who primarily practices in Panorama City, CA with 1 additional practice location. He is board certified. Dr. Gruen completed his residency at Mt Sinai Hosp-Med Ctr, Internal Medicine. Dr. Gruen is fluent in English, and is currently seeing new patients. Dr. Gruen’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gruen’s office at (818) 375-2000.

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

    • Residency: Mt Sinai Hosp-Med Ctr, Internal Medicine

    • Medical School: Carol Davila University of Medicine & Pharmacy

    What languages does Dr. Gruen speak?

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

    • English

    What conditions does Dr. Gruen treat?

    As a Internist, Dr. Gruen 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. Gruen. 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:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    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:

    • Follow-up After Treatment (Non-Cancer)
    • Post-Treatment Check-up
    • Aftercare Visit
    • Recovery Monitoring Exam

    ICD-10 Codes:

    • Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Muscle Pain
    • Muscle Disorder
    • Myalgia
    • Muscle Ache
    • Muscle Soreness

    ICD-10 Codes:

    • M7918: Myalgia, other site

    Also known as:

    • Strain of Lower Back Muscles, Fascia, and Tendons
    • Sprains and Strains
    • Pulled lower back muscle
    • Lumbar muscle strain
    • Back tendon strain
    • Lower back soft tissue strain

    ICD-10 Codes:

    • S39012A: Strain of muscle, fascia and tendon of lower back, initial encounter

    Also known as:

    • General Health Screening
    • Health Screening
    • Routine Check-up
    • Preventive Health Exam
    • Wellness Screening

    ICD-10 Codes:

    • Z139: Encounter for screening, unspecified

    Also known as:

    • Screening for Other Viral Disease
    • Health Screening
    • Other Viral Infection Screening
    • Miscellaneous Virus Test
    • Non-COVID Viral Screening

    ICD-10 Codes:

    • Z1159: Encounter for screening for other viral diseases

    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:

    • Personal Choice Not to Vaccinate
    • Vaccine Refusal
    • Patient Declined Vaccination
    • Unvaccinated by Choice

    ICD-10 Codes:

    • Z2820: Immunization not carried out because of patient decision for unspecified reason

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • Chronic Rhinitis
    • Nose Injuries and Disorder
    • Chronic runny nose
    • Persistent nasal inflammation
    • Long-term stuffy nose

    ICD-10 Codes:

    • J310: Chronic rhinitis

    Also known as:

    • Allergic Rhinitis
    • Allergy
    • Nasal allergies
    • Allergy rhinitis
    • Chronic runny nose

    ICD-10 Codes:

    • J309: Allergic rhinitis, unspecified

    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:

    • 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:

    • Neck Muscle Strain
    • Neck Injuries and Disorder
    • Sprains and Strains
    • Pulled neck muscle
    • Cervical strain
    • Neck soft tissue strain

    ICD-10 Codes:

    • S161XXA: Strain of muscle, fascia and tendon at neck level, initial encounter

    Also known as:

    • Asthma
    • Reactive Airway Disease
    • Bronchial Asthma
    • Allergic Asthma

    ICD-10 Codes:

    • J45909: Unspecified asthma, uncomplicated

    Also known as:

    • Other Specific Healthcare Encounters
    • Special Medical Visits
    • Unusual Doctor Appointments
    • Healthcare for Unique Situations

    ICD-10 Codes:

    • Z7689: Persons encountering health services in other specified circumstances

    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

    Which procedures does Dr. Gruen perform as a Internist?

    As a Internist, procedures performed by an Dr. John Gruen may include:

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

    Does Dr. Gruen accept my insurance?

    Dr. Gruen accepts most major insurance plans. Important: Please call our office at (818) 375-2000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Gruen accept in Panorama City, CA?

    Dr. Gruen in Panorama City, 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

    • Apex Healthcare

    • City of Los Angeles

    • Crown Cork and Seal Company

    • Express Scripts

    • Medicaid

    • Medicare

    • Other Health Care Provider

    • State of Tennessee

    • State of Washington

    View All Insurances

    Where is Dr. Gruen's office located?

    Dr. John Gruen's Primary Practice

    13652 Cantara St

    Panorama City, CA 91402

    (818) 375-2000

    Get Directions

    Dr. John Gruen's Practice 2

    13640 Roscoe Blvd

    Panorama City, CA 91402

    (818) 375-2000

    Get Directions

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

    Dr. Gruen's National Provider Identifier (NPI) number is 1619036365.

    What common questions do patients ask about Dr. Gruen?

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

    What is Dr. John Gruen's specialty?

    Dr. Gruen is a Internist near Panorama City, 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. Gruen to book an appointment today.

    Is this Dr. John Gruen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Gruen is affiliated with Kaiser Permanente Panorama City 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 John Gruen accepting new patients in Panorama City, CA?

    Yes, Dr. John Gruen is accepting new patients at this time.

    Does Dr. John Gruen offer online booking?

    Please contact Dr. Gruen's office at (818) 375-2000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Gruen?

    Please contact Dr. Gruen's office at (818) 375-2000 for information regarding telehealth appointment availability or for scheduling assistance.

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