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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (6)

The overall average patient rating of Dr. Joshua Garren, Radiation Oncologist is Excellent. Dr. Garren has been reviewed by 23 patients who have provided 6 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.5
Courteous Staff 4.8
Accurate Diagnosis 5.0
Bedside Manner 4.4
Spends Time with Me 4.5
Follows Up After Visit 4.4

Specialties & Research

Dr. Joshua Garren, MD is board certified in Radiation Oncology.

  • He has special expertise in 7 areas:
  • Breast Cancer
  • Cancer
  • Gamma Knife Surgery (Stereotactic Radiosurgery)
  • Head and Neck Cancer
  • Lung Cancer
  • Metastatic Breast Cancer
  • Prostate Cancer (Prostatic Neoplasm)

Education & Awards

Dr. Garren graduated from Warren Alpert Med Sch of Brown Univ, Providence, RI 02912. He has 4 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2010 - 2013)
Compassionate Doctor Recognition (2011 - 2012)
On-Time Doctor Award (2014)


Dr. Garren has 5 hospital affiliations:

  • Lahey Clinic 
  • Beverly Hospital 


  • English
  • French
  • Hebrew
  • Russian
  • Spanish

> > > > Dr. Joshua Garren, MD

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Additional Information
Dr. Joshua Garren MD is a male Radiation Oncologist, has 15 years of experience and practices in Radiation Oncology.
Where does Dr. Joshua Garren practice?
Dr. Joshua Garren has 3 office locations.
Dr. Joshua Garren practices Radiation Oncology near Tulsa, OK.
Additional practice locations include: Andover, MA and Muskogee, OK.
See Tulsa Radiologists.