Dr. John Gruen, MD

Dr. John Gruen, MD

Neurosurgery  ·  
Male  ·  
Age 63
Dr. John Gruen, MD is a neurosurgery specialist in Los Angeles, CA and has been practicing for 24 years. He graduated from Columbia Univ Coll Of Physicians and Surgeons in 1986 and specializes in neurosurgery.

1520 San Pablo St Ste 3800

Los Angeles, CA 90033

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • First Health (Coventry Health Care)
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Gruen

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Gruen performs your care needs compared to other doctors.

more than 62% of peers
Brain Disorders
more than 54% of peers
Cranial Trauma
more than 25% of peers

Dr. Gruen's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Neurosurgery

1  Board Certifications

  • Neurosurgery
    Accredited by: American Board of Neurological Surgery*

28  Conditions Treated

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Columbia Univ Coll Of Physicians and Surgeons
    Medical School | Graduated 1986
  • Keck Sch Med-Usc
    Internship Hospital | Completed 1987
  • Keck Sch Med-Usc
    Residency Hospital | Completed 1993
  • La St U
    Fellowship Hospital | Completed 1994
  • U Ulm
    Fellowship Hospital | Completed 1994

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Gruen has no media or publications listed.

Languages Spoken

  • English
  • Chinese, Mandarin

Memberships & Professional Affiliations

Dr. Gruen does not have any memberships or affiliations listed. If you are Dr. Gruen and would like to add memberships or affiliations, please update your profile.

Dr. Gruen's Reviews

Likelihood of recommending Dr. Gruen to family and friends
2 total reviews

Likelihood to Recommend (2)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Gruen's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    16 to 30 minutes
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