Alaa Hajal, MD
- Adult internal medicine
Pins show each doctor's main office. Gold pins are in Diamond Bar, navy pins are nearby.
These doctors practice in towns close to Diamond Bar. They are not counted above.
Same order as the list above. A comparison, not a ranking.
| Doctor | Type | Education and training | Reviews |
|---|---|---|---|
| Alaa Hajal, MD | Concierge · Internal Medicine physician | St. John Hospital, Detroit, Michigan | |
| Truong son Nguyen | DPC · Family Medicine clinician |
FindMyDirectDoctor lists 2 doctors in Diamond Bar, CA. We last checked this list in November 2026.
1 of the 2 doctors list telehealth visits. Each profile says which visits are offered.
We confirmed board certification for 1 doctor on this list. Each profile shows the board and the specialty.
It depends on the practice. Many direct primary care and concierge practices charge a membership fee instead of billing insurance for office visits, and some also accept insurance. Each profile says how its practice works when the practice states it.