About Dr. John Oberholtzer, MD
Dr. Oberholtzer completed medical school at University Of California and is licensed to see patients in California.
Based on his credentials, experience and network, Dr. Oberholtzer has been rated among the top 20% of all doctors in the United States.
In addition, Dr. Oberholtzer has passed an automated background ch...
- Aetna HMO
- Aetna PPO