| NPI | 1902135940 | 
|---|---|
| Doing Business As | DAVID B. OKUN M.D. | 
| Entity Type | Organization | 
| Authorized Contact | EMINA WEAVER Business Manager 949-770-8168 | 
| Organization Subpart ? | Yes | 
| Primary Taxonomy | 207RH0003X Internal Medicine, Hematology & Oncology (Licence: CA G29859) | 
| Enumeration Date | 2009-12-22 | 
| Last Update Date | 2010-01-11 |