Summary

Dr. Mager graduated from the Jefferson Medical College of Thomas Jefferson University,Sidney Kimmel Medical College At Thomas Jefferson University in 2004. He works in Greenbrae, CA and specializes in Internal Medicine. Dr. Mager is affiliated with Marinhealth Medical Center.

Quick Facts

  • 4.4
  • 22 years of experience
  • 12 insurance plans accepted
  • California Pacific Medical Center Pacific
  • 5 written reviews
  • 1 specialty
  • 8 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Marinhealth Medical Center

599 Sir Francis Drake Boulevard Ste 206Greenbrae, CA 94904

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Dr. Justin Joseph Mager, MDDr. Shilpa Sayana, MDKarthikeyan Viswanathan, DODr. Adama Diarra, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
4.7 
22 Years of Experience 22 Years of Experience 12 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Tamil Speaks English, French, Bambara
Greenbrae , CASHERMAN OAKS , CALos Altos , CATigard , OR
Med School: Jefferson Medical College Of Thomas Jefferson University Med School: The Robert Larner Md College Of Medicine At The University Of Vermont Med School: Bassett Medical Center - Cooperstown, New York Med School: Arizona College of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. Justin Joseph Mager

  • Aetna
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • Cigna
  • Kaiser Permanente
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Partnership HealthPlan of California
  • UnitedHealthcare

Medical Specialties

Dr. Justin Joseph Mager has the following specialty

Specialty Expertise

Dr. Justin Joseph Mager has the following 8 areas of expertise

  • Check-up
  • Heartburn
  • Holistic Health
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

22 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Residency

California Pacific Medical Center Pacific

Medical School

Jefferson Medical College Of Thomas Jefferson UniversityGraduated in 2006
Sidney Kimmel Medical College At Thomas Jefferson UniversityGraduated in 2004

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Frequently Asked Questions

Where is Dr. Justin Mager's office located?
Dr. Justin Mager's office is located at 599 Sir Francis Drake Boulevard Ste 206, Greenbrae, CA, 94904.
How can I make an appointment with Dr. Justin Mager?
You can find contact information for Dr. Justin Mager here on Vitals.
Is Dr. Justin Mager accepting new patients?
Dr. Justin Mager has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Justin Mager accept my insurance?
You can see the insurance plans that Dr. Justin Mager accepts on their Vitals profile.
Which hospitals is Dr. Justin Mager affiliated with?
Dr. Justin Mager is affiliated with Marinhealth Medical Center.

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