Summary

Dr. Michael Koumjian is a thoracic surgeon who earned his medical degree from Rutgers New Jersey Medical School and completed his residency at the United States Naval Medical Center. With 49 years of experience in thoracic surgery, Dr. Koumjian has built extensive expertise in surgical procedures involving the chest and related structures. He is fluent in both Spanish and English, allowing him to serve patients from diverse backgrounds.

Dr. Koumjian practices at multiple locations throughout Southern California, including La Mesa, Chula Vista, National City, El Centro, and Murrieta. His hospital affiliations include Sharp Grossmont Hospital and several other regional medical centers. He specializes in treating conditions such as hypertension and pediatric hypertension cases. Dr. Koumjian performs various diagnostic procedures including chest imaging studies and CT scans to evaluate thoracic conditions. Patients rate him an average of 4.6 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 49 years of experience
  • 60 insurance plans accepted
  • speaks Spanish, English
  • United States Naval Medical Center
  • 4 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 8 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Michael Peter Koumjian has 8 locations

Koumjian Michael P Office

5525 Grossmont Center Dr Ste 609La Mesa, CA 91942
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

5525 Grossmont Center Drive

5525 Grossmont Center DrLa Mesa, CA 91942
Mon5:30 am - 5:00 pm
Tue5:30 am - 5:00 pm
Wed5:30 am - 5:00 pm
Thu5:30 am - 5:00 pm
Fri5:30 am - 5:00 pm
SatClosed
SunClosed

Paradise Valley Hospital

2400 E 4th StNational City, CA 91950

Sharp Chula Vista Medical Center

751 Medical Center CtChula Vista, CA 91911

Sharp Grossmont Hospital

5555 Grossmont Center DrLa Mesa, CA 91942

Rancho Springs Medical Center

25500 Medical Center DrMurrieta, CA 92562

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Dr. Michael Peter Koumjian, MDAna Cecilia TrejoDr. Srujan Rk GantaDr. Ralph Brown Dilley, MD
Thoracic SurgeryNurse PractitionerThoracic SurgeryVascular Surgery
Accepts New Patients Accepts New Patients
4.6 
4.3 
49 Years of Experience 67 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English Speaks English
La Mesa , CASan Diego , CASan Diego , CALa Jolla , CA
Med School: Rutgers New Jersey Medical School Med School: STANFORD UNIVERSITY SCHOOL OF MEDICINE
Current Profile
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Insurance Plans Accepted by Dr. Michael Peter Koumjian

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Adventist Health
  • Aetna
  • Aetna - HMO
  • Aetna - POS
  • Aetna - PPO
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AlphaCare
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Arizona
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Blue Shield of California - Medicaid (Managed)
  • Brand New Day
  • CalOptima
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - Medicaid (Managed)
  • Cigna
  • Community Health Group
  • Community Health Group - Medicaid (Managed)
  • Florida Blue: Blue Cross Blue Shield of Florida
  • Health Net
  • Health Net - HMO
  • HealthPartners - HMO
  • Humana
  • Humana - HMO
  • Imperial Health Plan of California
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • Kaiser Permanente - Medicaid (Managed)
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Medi-Cal - Medicaid (Managed)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid
  • Molina Healthcare - Medicaid (Managed)
  • Molina Healthcare - Medicare
  • Molina Healthcare - Medicare (Advantage HMO)
  • Optum Health
  • Premier Health Plan
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Sharp Health Plan
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - PPO
  • Wellcare

Medical Specialties

Dr. Michael Peter Koumjian has the following specialty

Specialty Expertise

Dr. Michael Peter Koumjian has the following 6 areas of expertise

  • Aneurysm
  • Deep Vein Thrombosis
  • Diabetes Complications
  • Thoracic/Cardiothoracic Surgery
  • Varicose Veins
  • Vascular Malformations

Certifications, License, & Education

49 Years Experience

Dr. Michael Peter Koumjian holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Residency

Completed their residency at United States Naval Medical Center.

Medical School

Graduated from Rutgers New Jersey Medical School in 1977.

NPI Number

Dr. Koumjian's NPI number is 1366403321.

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Frequently Asked Questions

Which hospitals is Dr. Michael Koumjian affiliated with?
Dr. Michael Koumjian is affiliated with Sharp Grossmont Hospital.
Does Dr. Michael Koumjian accept my insurance?
You can see the insurance plans that Dr. Michael Koumjian accepts on their Vitals profile.
Does Dr. Michael Koumjian accept virtual/telehealth appointments?
Dr. Michael Koumjian has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Michael Koumjian speak?
Dr. Michael Koumjian speaks Spanish and English.
How can I make an appointment with Dr. Michael Koumjian?
You can find contact information for Dr. Michael Koumjian here on Vitals.

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