Doctor profile · Federal record
Dr. Diana Zellner, D.O.
Hospice and Palliative Medicine (Internal Medicine) Physician (CMS: Hospice/Palliative Care) · Portland, OR
- NPI 1164876827
- Accepts Medicare
- MIPS 85.3 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4805 Ne Glisan St Ste 11N
Portland, OR 972132933
(503) 215-1350 - Additional location
-
1015 Nw 22Nd Ave
Portland, OR 972103025
(503) 413-6862
fax (503) 225-6398 - Mailing address
-
Po Box 3158
Portland, OR 972083158
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- October 3, 2024
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RH0002X — NUCC code
- State license (1)
- Oregon #DO198502
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164876827. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
238
Distinct HCPCS
4
Medicare allowed
$27,877
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 100 | 45 | $121 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 65 | 33 | $81 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 54 | 53 | $177 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 19 | 17 | $50 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 53. This provider delivers 4.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$681
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Potassium Chloride | Generic | 11 | 0 | $681 |
Frequently asked questions
What is Dr. Diana Zellner's medical specialty?
Dr. Diana Zellner practices Hospice and Palliative Medicine (Internal Medicine) Physician in Portland, OR.
Where does Dr. Diana Zellner practice?
Dr. Diana Zellner practices at 4805 Ne Glisan St Ste 11N, Portland, OR 972132933. Office phone: 5032151350.
What is Dr. Diana Zellner's NPI?
Dr. Diana Zellner's National Provider Identifier (NPI) is 1164876827, issued by NPPES.
Does Dr. Diana Zellner accept Medicare assignment?
Yes. Dr. Diana Zellner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Zellner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.