David R. Murphy, PA
Physician Assistants (Medical Physician Assistant)
- Medicare participating
At a glance
- Years since graduation
- 7
- In the NPI registry since
- 2018
- Medicare patients seen, 2024
- 104
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2018Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Medical Physician Assistant primary
OR license PA196415 - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Ohsu Hospital and Clinics Portland, OR
Medical groups
- University Professional Services (1,724 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 104
- Services billed
- 241
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes | 84 | 51 |
| Established patient office or other outpatient visit, 20-29 minutes | 60 | 53 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Atorvastatin Calcium Other prescribers in Portland, OR | 32 |
| Clopidogrel (clopidogrel bisulfate) Other prescribers in Portland, OR | 26 |
| Metoprolol Succinate Other prescribers in Portland, OR | 25 |
| Pantoprazole Sodium Other prescribers in Portland, OR | 21 |
| Nitroglycerin Other prescribers in Portland, OR | 17 |
| Losartan Potassium Other prescribers in Portland, OR | 14 |
| Spironolactone Other prescribers in Portland, OR | 14 |
| Brilinta (ticagrelor) Other prescribers in Portland, OR | 14 |
| Torsemide Other prescribers in Portland, OR | 14 |
| Lisinopril Other prescribers in Portland, OR | 13 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 1 companies reported 1 payments worth $13.95 in total to this clinician.
| AstraZeneca Pharmaceuticals LP | $13.95 |
|---|
| Food and Beverage | $13.95 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.