4.7
296 Ratings with 282 written Reviews

Overview based on verified provider data
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| Poombavai O Nagappan, MD | Dr. Merrill Harris, MD | Dr. Adama Diarra, DO | Dr. Annie Seapan Mack, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 30 Years of Experience | 14 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Tamil | Speaks English | Speaks English, French, Bambara | Speaks English, Spanish |
| Tigard , OR | Portland , OR | Tigard , OR | Portland , OR |
| Med School: Kilpauk Medical College | Med School: The University of Southern California Keck School of Medicine | Med School: Arizona College of Osteopathic Medicine | Med School: University of Texas Health Science Center at San Antonio |
Current Profile | View Profile | View Profile | View Profile |
Poombavai O Nagappan 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 Providence Geriatric Mini Fellowship program in 2019.
Completed their residency at Saint Louis University School of Medicine in 2000 and Edgewater Medical Center in 1998.
Completed their internship at Edgewater Medical Center in 1997.
Graduated from Kilpauk Medical College in 1996 and Medical College Hospital Gvt Kilpauk in 1996.
Poombavai O Nagappan's NPI number is 1043246689.










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