Physician Profile
Based in Portland, OR, Diana D. Zellner, D.O. is listed in the NPI registry under hospice/palliative care. Diana is also listed as specializing in hospice & palliative medicine. Medicare claims data shows Diana provided 37 services to 30 patients. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. NPI 1164876827 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4805 NE GLISAN ST STE 11N
Portland, OR 97213
1015 NW 22nd Ave
Portland, OR 97210
Within Hospice and Palliative Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Cancer Care
Cancer Pain
Chronic Illness
Digestive & Nutrition
End of Life Symptoms
Fluid & Swelling
Lung Conditions
Mental Health
Mouth & Throat
Nerve & Pain
Neurological
Nutrition & Digestion
Pain & Symptoms
Skin & Wound
Skin Conditions
Sleep & Mental Health
Urinary & Bowel
Wound Care
Breathing Support
Care Planning
Catheter & Line Care
Consultations
Counseling & Support
End of Life Care
Fluid Drainage
Hospice Care
Hospice Services
Medication Management
Pain Management
Personal Care
Rehabilitation & Mobility
Specialized Care
Support Services
Wound Care
37 services · 30 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
20 | Less often than most peers in Hospice/Palliative Care |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
17 | Less often than most peers in Hospice/Palliative Care |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Diana D. Zellner is a hospice/palliative care in Portland, OR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Diana D. Zellner is listed at 4805 Ne Glisan St Ste 11N, Portland, OR 97213. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (503) 215-1350. Contact the office directly to confirm availability and scheduling.
NPI registry
Diana D. Zellner's National Provider Identifier is 1164876827. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Diana D. Zellner attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
Diana D. Zellner has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Diana D. Zellner the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Diana D. Zellner. If this is you, claiming it is free.
Guide.md
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