Summary

Dr. Justin Mager has practiced internal medicine for 22 years and is affiliated with MarinHealth Medical Center in Greenbrae, California. He completed his residency at California Pacific Medical Center Pacific and earned his medical degree from Jefferson Medical College of Thomas Jefferson University. Patients on Vitals rate Dr. Mager 4.4 out of 5.

Overview based on verified provider data

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

Patients’ Perspective

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

Office Location

Marinhealth Medical Center

599 Sir Francis Drake Boulevard Ste 206Greenbrae, CA 94904

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Dr. Justin Joseph Mager, MD
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Dr. Justin Joseph Mager, MDSumerra Khan, DOStephen Newman, MDAngela Brennan, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
0 
4.3 
0 
22 Years of Experience 12 Years of Experience 45 Years of Experience 12 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Greenbrae , CAVacaville , CAVacaville , CAFairfield , CA
Med School: Jefferson Medical College Of Thomas Jefferson University Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: Boston University School Of Medicine Med School: Touro University California 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

Dr. Justin Joseph Mager 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 2028.

Education & Training

Residency

Completed their residency at California Pacific Medical Center Pacific.

Medical School

Graduated from Jefferson Medical College Of Thomas Jefferson University in 2006 and Sidney Kimmel Medical College At Thomas Jefferson University in 2004.

NPI Number

Dr. Mager's NPI number is 1669672739.

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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.
Which hospitals is Dr. Justin Mager affiliated with?
Dr. Justin Mager is affiliated with Marinhealth Medical Center.
How can I make an appointment with Dr. Justin Mager?
You can find contact information for Dr. Justin Mager here on Vitals.
Does Dr. Justin Mager accept my insurance?
You can see the insurance plans that Dr. Justin Mager accepts on their Vitals profile.
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.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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