4.5
2 Ratings

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| Ruben O Halperin, MD | Dr. Ying Long, MD | Dr. Dorelan L Miller, MD | Dr. Cora M. Ludwig, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 33 Years of Experience | 14 Years of Experience | 18 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | Virtual Visit Available |
| Speaks English | Speaks English | ||
| Portland , OR | Portland , OR | Portland , OR | Clackamas , OR |
| Med School: Emory University School of Medicine | Med School: Xiangya School Of Medicine Central South University | Med School: University Of Washington School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Ruben O Halperin holds an expired medical license in the state of Oregon.
Medical Doctor with an expired medical license in the state of Oregon that expired in 2025.
Completed their fellowship at Boston VA Medical Center- JAMAICA Plain Campus in 2005, Boston VA Medical Center JAMAICA Plain Campus in 2005, and Harvard School of Public Health in 2004.
Completed their residency at UCLA Center for Health Sciences in 1996 and University of California Los Angeles David Geffen School of Medicine in 1996.
Graduated from Emory University School of Medicine in 1993.
Ruben O Halperin's NPI number is 1457306763.










Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.