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Dr. Michael Koumjian, MD

Dr. Michael Koumjian, MD

La Mesa, CA

42 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Koumjian, Thoracic Surgeon in La Mesa, CA?

    Dr. Michael Koumjian, MD is a Thoracic Surgeon, who primarily practices in La Mesa, CA with 2 additional practice locations. He has been practicing for over 42 years and is board certified by the American Board of Thoracic Surgery and American Board of Surgery. Dr. Koumjian graduated from Rutgers and completed his residency at Naval Med Ctr-San Diego, Thoracic Surgery; Naval Med Ctr-San Diego, General Surgery. Dr. Koumjian is fluent in English and Spanish, and is currently seeing new patients. Dr. Koumjian’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Koumjian’s office at (619) 466-5700.

    What are Areas of Expertise for Dr. Koumjian?

    Dr. Michael Koumjian, MD is a highly-rated, board-certified Thoracic Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Koumjian empowers patients to confidently navigate their health journey, specializing in Coronary Artery Surgery, Endovascular Surgery, Lung Cancer, Pacemakers/Defibrillators, Robotic Surgery, or comprehensive wellness support. Serving the La Mesa/CA community, Dr. Koumjian is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Naval Med Ctr-San Diego, Thoracic Surgery; Naval Med Ctr-San Diego, General Surgery | Naval Medical Center San Diego | Naval Medical Center San Diego | Naval Medical Center San Diego | Naval Medical Center (Portsmouth) Program

    • Medical School: Umdnj-New Jersey Med Sch- Newark Nj | Rutgers

    Is Dr. Koumjian board certified in Thoracic Surgeon?

    Yes, Dr. Michael Koumjian, MD is board certified by the American Board of Thoracic Surgery , American Board of Surgery since 1986

    What languages does Dr. Koumjian speak?

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

    • English

    • Spanish

    What conditions does Dr. Koumjian treat?

    As a Thoracic Surgeon, Dr. Koumjian 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. Koumjian. 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:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

    • Narrowed Aortic Valve
    • Leaky Mitral Valve
    • Heart Valve Disease
    • Aortic Valve Stenosis
    • Tight Aortic Valve
    • Mitral Valve Insufficiency
    • Mitral Regurgitation

    ICD-10 Codes:

    • I350: Nonrheumatic aortic (valve) stenosis
    • I340: Nonrheumatic mitral (valve) insufficiency

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Enlarged Heart
    • Heart Disease
    • Cardiomegaly
    • Big heart
    • Heart enlargement

    ICD-10 Codes:

    • I517: Cardiomegaly

    Also known as:

    • Pleural Effusion
    • Pleural Disorder
    • Fluid in lungs
    • Water on the lung
    • Fluid around lungs

    ICD-10 Codes:

    • J90: Pleural effusion, not elsewhere classified

    Also known as:

    • COPD
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified

    Also known as:

    • Ascending Aortic Aneurysm
    • Aortic Aneurysm
    • Bulging Ascending Aorta
    • Weakened Ascending Aorta
    • Ascending Aorta Dilation
    • Abdominal Aortic Aneurysm
    • AAA
    • Aorta Bulge

    ICD-10 Codes:

    • I7121: Aneurysm of the ascending aorta, without rupture
    • I7140: Abdominal aortic aneurysm, without rupture, unspecified

    Also known as:

    • Peripheral Artery Disease
    • PVD
    • PAD
    • Poor Circulation in Legs
    • Blocked Leg Arteries

    ICD-10 Codes:

    • I739: Peripheral vascular disease, unspecified

    Also known as:

    • Pre-Procedure Heart Examination
    • Pre-Surgery Cardiac Checkup
    • Heart Health Assessment (Before Procedure)
    • Cardiovascular Clearance Exam

    ICD-10 Codes:

    • Z01810: Encounter for preprocedural cardiovascular examination

    Also known as:

    • Lung Cancer
    • Right upper lobe lung cancer
    • Bronchial cancer
    • Malignant neoplasm of lung
    • Right lower lobe lung cancer

    ICD-10 Codes:

    • C3411: Malignant neoplasm of upper lobe, right bronchus or lung
    • C3431: Malignant neoplasm of lower lobe, right bronchus or lung

    Also known as:

    • Collapsed Lung
    • Pleural Disorder
    • Pneumothorax
    • Air in Chest Cavity
    • Lung Collapse

    ICD-10 Codes:

    • J939: Pneumothorax, unspecified

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Other Abnormal Findings on Lung Scan
    • Unusual Lung Scan Results
    • Atypical Lung Imaging
    • Nonspecific Lung Abnormality

    ICD-10 Codes:

    • R918: Other nonspecific abnormal finding of lung field

    Also known as:

    • Special Medical Examination
    • Specific health check
    • Detailed medical assessment
    • Special health screening

    ICD-10 Codes:

    • Z0189: Encounter for other specified special examinations

    Also known as:

    • Heart Failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency

    ICD-10 Codes:

    • I509: Heart failure, unspecified

    Also known as:

    • Fluid Around the Heart
    • Pericardial Disorder
    • Pericardial Effusion
    • Fluid in Pericardium

    ICD-10 Codes:

    • I3139: Other pericardial effusion (noninflammatory)

    Also known as:

    • Cardiomyopathy
    • Heart Muscle Disease
    • Enlarged Heart

    ICD-10 Codes:

    • I429: Cardiomyopathy, unspecified

    Does Dr. Koumjian accept my insurance?

    Dr. Koumjian accepts most major insurance plans. Important: Please call our office at (619) 466-5700 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Koumjian accept in La Mesa, CA?

    Dr. Koumjian in La Mesa, 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

    • Blue Shield of California

    • Heritage Health

    • Inland Empire

    • Medicare

    • Molina

    • OptumRx

    • Other Health Care Provider

    • Scan Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Koumjian's office located?

    Dr. Michael Koumjian's Primary Practice

    5525 Grossmont Center Dr Ste 609

    La Mesa, CA 91942

    (619) 466-5700

    Get Directions

    Dr. Michael Koumjian's Practice 2

    751 Medical Center Ct

    Chula Vista, CA 91911

    Get Directions

    Dr. Michael Koumjian's Practice 3

    28062 Baxter Rd

    Murrieta, CA 92563

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

    Dr. Koumjian's National Provider Identifier (NPI) number is 1366403321.

    What common questions do patients ask about Dr. Koumjian?

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

    What is Dr. Michael Koumjian's specialty?

    Dr. Koumjian is a Thoracic Surgeon near La Mesa, CA. A thoracic surgeon is a healthcare expert with specialization in the surgical, perioperative, and critical care of patients with conditions affecting the chest. Their expertise encompasses the surgical treatment of coronary artery disease, lung, esophageal, and chest wall cancers, tracheal abnormalities, and issues with the great vessels and heart valves. They also address congenital anomalies, mediastinal tumors, and diaphragm diseases. Additionally, thoracic surgeons manage airway issues and chest injuries as part of their medical specialty. Contact Dr. Koumjian to book an appointment today.

    Is this Dr. Michael Koumjian affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Koumjian is affiliated with Sharp Chula Vista Medical Center, Sharp Grossmont Hospital 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

    Where can I learn more about Thoracic Surgeon?

    Explore Thoracic Surgeon 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 Michael Koumjian accepting new patients in La Mesa, CA?

    Yes, Dr. Michael Koumjian is accepting new patients at this time.

    Does Dr. Michael Koumjian offer online booking?

    Please contact Dr. Koumjian's office at (619) 466-5700 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Michael Koumjian?

    Please contact Dr. Koumjian's office at (619) 466-5700 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Michael Koumjian have?

    Dr. Michael Koumjian is certified by the American Board of Thoracic Surgery and American Board of Surgery.

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