Poombavai O. Nagappan, MD
NPI 1043246689ActiveIndividual· Internal Medicine· Tigard, OR
Internal Medicine (MD) with Providence Health and Services Oregon, practicing in Tigard, Oregon. Their prescriptions cost Medicare Part D more than their services did: $553,115 for 7,638 claims, against $40,199 paid for services in 2024. Lists Legacy Meridian Park Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1043246689 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 24, 2006 |
| Last updated in NPPES | Oct 2, 2020 |
| Certified by provider | Oct 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD22662 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 1,010 across 35 procedure codes |
| Paid by Medicare | $40,199 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,638 · 17,229 30-day fills |
|---|---|
| Patients | 555 |
| Total drug cost | $553,115 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Health and Services OregonPortland, OR · 1,433 clinicians
Hospital affiliations
- Legacy Meridian Park Medical CenterTualatin, OR
- Providence Newberg Medical CenterNewberg, OR
- Providence St Vincent Medical CenterPortland, OR
Other facilities
- Amedisys Home Health CareHome health agency · Portland, OR
- Providence Home HealthHome health agency · Portland, OR
- Providence HospiceHospice · Portland, OR
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 internal medicine physicians in Tigard · All internal medicine physicians in Oregon