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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. 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 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 and 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, and 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 as a 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 a Thoracic Surgeon like Dr. Koumjian typically 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. Learn more about our claims-based healthcare methodology.

    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:

    • 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:

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

    ICD-10 Codes:

    • I517: Cardiomegaly

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

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

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified

    What procedures does a Thoracic Surgeon like Dr. Koumjian typically perform?

    As a Thoracic Surgeon, Dr. Koumjian 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. 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. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Coronary Artery Bypass Graft (CABG)
    • Coronary Artery Bypass Surgery
    • Heart bypass surgery
    • CABG surgery
    • Arterial bypass graft

    CPT Codes:

    • 33533: Coronary artery bypass, using arterial graft(s); single arterial graft

    Also known as:

    • Endoscopic Vein Harvest for Bypass
    • Endoscopy
    • Video-Assisted Vein Harvest
    • Minimally Invasive Vein Removal
    • Endoscopic Saphenous Vein Harvest
    • Vein Harvesting for CABG

    CPT Codes:

    • 33508: Endoscopy, surgical, including video-assisted harvest of vein(s) for coronary artery bypass procedure (List separately in addition to code for primary procedure)

    Also known as:

    • Open Chest Biopsy of Lung Lining
    • Pleural biopsy via thoracotomy
    • Surgical lung lining biopsy
    • Chest wall incision for pleura biopsy

    CPT Codes:

    • 32098: Thoracotomy, with biopsy(ies) of pleura

    Also known as:

    • Thoracoscopy with Pleurodesis
    • VATS Pleurodesis
    • Lung Lining Fusion
    • Chemical Pleurodesis
    • Mechanical Pleurodesis

    CPT Codes:

    • 32650: Thoracoscopy, surgical; with pleurodesis (eg, mechanical or chemical)

    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

    • Alignment Healthcare

    • All Other Third Party

    • HealthRight Group

    • Heritage Health

    • Inland Empire Health Plan

    • Medicare

    • OptumRx Administered Payer

    • Other Health Care Provider

    • UnitedHealth Group

    • Unknown

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    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

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    Dr. Michael Koumjian's Practice 2

    751 Medical Center Ct

    Chula Vista, CA 91911

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    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.

    What does a Thoracic Surgeon do?

    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.

    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

    When to see a Thoracic Surgeon?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Thoracic Surgeon. 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 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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