Dr. Defehr works in Bartlesville, OK and specializes in Cardiovascular Disease. Dr. Defehr is affiliated with Jane Phillips Medical Center and Pawhuska Hospital Inc.


Years Experience: Not Available

Dr. Defehr's Specialties

Dr. Defehr's Education & Training

Medical School
Not Available


  • Overall Rating

  • Rate
    Explains conditions & treatments

  • Rate
    Takes time to answer my questions

  • Rate
    Provides follow-up as needed

Dr. Defehr's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • BCBS OK BlueChoice

Dr. Defehr's Office Information & Appointments


St John Clinic
St John Clinic Cardiology

3460 E Frank Phillips Blvd
Bartlesville, OK 74006

Get Directions

Tel: (918) 332-3600

Fax: (918) 332-3613

Practice Website: stjohnhealthsystem.com

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

M 7:00 AM - 5:00 PM
T 7:00 AM - 5:00 PM
W 7:00 AM - 5:00 PM
T 7:00 AM - 5:00 PM
F 7:00 AM - 12:00 PM
S Closed
S Closed

Other Physicians in Dr. Defehr's Practice