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).
Learn more about Dr. Oscar Ma:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 4 of 4 stars
The overall average patient rating of Dr. Oscar Ma is Excellent.
|Ease of Appointment||
|Spends Time with Me||
Specialties & Research
Dr. Oscar Ma, MD is board certified in Emergency Medicine.
Education & Awards
Dr. Ma graduated from George Washington University.
Accepted Insurance Plans
Dr. Ma accepts these health insurances in at least one office:
- ODS Health Plans - 3 plans
- Cigna - 4 plans
- USA H & W Network - 1 plan
Similar doctors nearby
- Additional Information
- Where does Dr. Oscar J. Ma practice?
Dr. Oscar Ma practices Emergency Medicine near Portland, OR.
See Portland Emergency Physicians.