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Orthopaedic Surgery and Orthopaedic Surgery Of Spine

Glen Sean Osullivan , MD

Ashland Orthopedic Associates
269 Maple St
Ashland, OR 97520

(541) 482-4533


Dr. O'Sullivan was born at Stanford, CA. He attended prep school and college at Wimbledon, England and received his medical degree in 1984 from St. Thomas' Hospital School of medicine in London. He returned to Stanford, finishing his Orthopaedic Surgery Residency in 1991. He completed a Spinal Surgery Fellowship at Sir Robert Jones & Agnes Hunt Orthopaedic Hospital, Oswestry, England and returned again to Stanford University, where he served as active staff from 1992 to 1999. At Stanford, he served as Coordinator of the Orthopaedic Residency Teaching Program and Chief of the Orthopaedic Trauma Service. He also had various other appointments including Director, Spine Service Palo Alto V.A. Hospital and Spine Consultant, Santa Clara Valley Medical Center in San Jose. He has written multiple journal articles and textbook chapters, and has been a featured speaker at numerous educational courses. In 1999, Dr. O'Sullivan joined Ashland Orthopedic Associates in Southern Oregon, where he lives with his wife and four children. He began regular consulting services in Mt. Shasta shortly thereafter. He and his team have established a reputation for excellent care. Currently about half of his patients come from outside the Mt. Shasta service area.

Gender: Male

Years in Practice: 38 Years

Languages Spoken: English


Orthopaedic Surgery and Orthopaedic Surgery Of Spine

Hospital Affiliations

  • Fairchild Medical Center
  • Asante Ashland Community Hospital

Education and Training

Medical School
Stanford University School Of Medicine,St Thomass Hospital Medical School Graduated in 1984

Main Location

Ashland Orthopedic Associates
269 Maple St
Ashland, OR 97520
(541) 482-4533

Fax: (541) 148-8510
Accepting New Patients: Yes
Medicare Accepted: Yes
Medicaid Accepted: Yes

Office Hours:

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

Other Locations

Fax:(530) 092-6574
Accepting New Patients: Yes
Medicare Accepted:Yes
Medicaid Accepted:No

Office Hours:

Mon8:00 AM-5:00 PM
Tue8:00 AM-5:00 PM
Wed8:00 AM-5:00 PM
Thu8:00 AM-5:00 PM
Fri8:00 AM-1:00 PM

Mount Shasta Physical Therapy
635 Lassen Ln
Mount Shasta, CA 96067
(916) 926-6010

Website:Not available
Accepting New Patients: No
Medicare Accepted:No
Medicaid Accepted:No

Office Hours:


Insurance Plans Accepted

Please verify insurance information directly with your doctor’s office as it may change frequently.
  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • Aexcel PPO
  • Affinity
  • Anthem BC Pathway X EPO Network
  • BCBS Blue Card PPO
  • Blue Cross CA PPO Prudent Buyer Small Group
  • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
  • Blue Cross CA Pathway X PPO
  • Blue Cross CA PPO Prudent Buyer Individual
  • Blue Cross CA PPO Prudent Buyer Large Group
  • Blue Cross CA Select PPO
  • Blue Shield CA Bronze 60 PPO SHOP
  • Blue Shield CA Bronze Full PPO 4500
  • Blue Shield CA PPO
  • Blue Shield CA Silver 70 PPO
  • Blue Shield CA Tandem PPO
  • BS CA Platinum 90 PPO
  • CIGNA Open Access Plus
  • First Choice
  • First Health PPO
  • Health Net OR PPO
  • Moda Health Beacon
  • Moda Health Community Care Network
  • Moda Health Connexus
  • Moda Health Summit
  • Moda Health Synergy Network
  • Navigator
  • PacificSource PSN
  • PacificSource SmartChoice
  • PacificSource SmartHealth Oregon Members
  • Premera LifeWise Connect
  • Providence Choice Network
  • Providence PPO
  • RealValue Network
  • Regence OR Preferred Provider Network
  • Regence Preferred - OR
  • Signature
  • UHC Choice Plus POS
  • UHC Options PPO
  • UHC West SignatureValue HMO