Diana Denton Zellner, D.O.
NPI 1164876827ActiveIndividual· Internal Medicine, Hospice and Palliative Medicine· Portland, OR
Internal Medicine, Hospice and Palliative Medicine (D.O.) with Providence Health and Services Oregon, practicing in Portland, Oregon. 46 Medicare patients in 2024, $15,116 paid; nearly all of their 237 Part D prescriptions were generic (92%). Lists Providence Portland Medical Center as a hospital affiliation.
Overview
| NPI | 1164876827 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 19, 2016 |
| Last updated in NPPES | Oct 3, 2024 |
| Certified by provider | Oct 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hospice and Palliative Medicine Primary | 207RH0002X | DO198502 | 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 - Hospice/Palliative Care (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 46 |
|---|---|
| Services billed | 177 across 13 procedure codes |
| Paid by Medicare | $15,116 |
Part D prescriptions in 2024
| Prescriptions (claims) | 237 · 259 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $7,276 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Hospice/Palliative Care |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Health and Services OregonPortland, OR · 1,433 clinicians
Hospital affiliation
- Providence Portland Medical CenterPortland, OR
Other facilities
- 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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