Clinicians affiliated with University Professional Services
1,724 clinicians on file with this group · most practice in Portland-Vancouver-Hillsboro, OR-WA · PAC ID 4880760107
1,276 clinicians affiliated with University Professional Services are in the 2024 Medicare Part B data, 917 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.
Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report
Affiliated clinicians by specialty, 2024
All specialties · Physician Assistant (183) · Nurse Practitioner (140) · Family Practice (78) · Internal Medicine (60) · Emergency Medicine (51) · Ophthalmology (51) · Neurology (48) · Diagnostic Radiology (46) · General Surgery (41) · Hospitalist (41) · Pathology (31) · Medical Oncology (30) · Hematology-Oncology (28) · Orthopedic Surgery (27) · Cardiology (25) · Gastroenterology (21) · Infectious Disease (21) · Obstetrics & Gynecology (21) · Pulmonary Disease (20) · Dermatology (19) · Psychiatry (19) · Endocrinology (18) · Nephrology (18) · Otolaryngology (18) · Interventional Radiology (17) · Urology (17) · Psychologist, Clinical (16) · Anesthesiology (15) · Neurosurgery (14) · Optometry (11) · Radiation Oncology (10) · Plastic and Reconstructive Surgery (9) · Surgical Oncology (9) · Critical Care (Intensivists) (8) · Pediatric Medicine (8) · Rheumatology (8) · Vascular Surgery (8) · Hospice and Palliative Care (7) · Cardiac Surgery (5) · Clinical Cardiac Electrophysiology (5) · Hematology (5) · Allergy/ Immunology (4) · Colorectal Surgery (Proctology) (4) · Gynecological Oncology (4) · Licensed Clinical Social Worker (4) · Physical Medicine and Rehabilitation (4) · Thoracic Surgery (4) · Geriatric Medicine (3) · Interventional Cardiology (3) · Podiatry (3) · Micrographic Dermatologic Surgery (2) · Nuclear Medicine (2) · Oral Surgery (Dentist only) (2) · Pain Management (2) · Sleep Medicine (2) · Addiction Medicine (1) · Adult Congenital Heart Disease (1) · Hand Surgery (1) · Maxillofacial Surgery (1) · Medical Genetics and Genomics (1) · Sports Medicine (1)
Specialty links go to the specialty in Portland-Vancouver-Hillsboro, OR-WA.
Clinicians affiliated with University Professional Services, 2024
Alphabetical by last name; 801–900 of 1,276.
| Name | Specialty | City |
|---|---|---|
| Smriti Ohri, MD | Family Practice | Portland, OR |
| Craig Y Okada, MD | Hematology | Portland, OR |
| Barry S Oken, MD | Neurology | Portland, OR |
| Christina T Oleson | Physician Assistant | Portland, OR |
| Erika J Olson, RN, NP | Nurse Practitioner | Portland, OR |
| Sven Olson, MD | Hematology-Oncology | Portland, OR |
| Eriko Onishi, MD | Family Practice | Portland, OR |
| Heather M Onoday, FNP-C | Nurse Practitioner | Portland, OR |
| Emma C Ordway, PA-C | Physician Assistant | Portland, OR |
| Sean Orenstein, M.D. | General Surgery | Portland, OR |
| Robert M Orfaly, MD | Orthopedic Surgery | Portland, OR |
| John Y Organick-Lee, MD | Emergency Medicine | Portland, OR |
| Josiah N Orina, MD | Neurosurgery | Portland, OR |
| Alex G Ortega Loayza, MD | Dermatology | Portland, OR |
| Eric S Orwoll, MD | Endocrinology | Portland, OR |
| Diane S Osborn, ARNP | Nurse Practitioner | Portland, OR |
| Fouad Otaki, M.D. | Gastroenterology | Portland, OR |
| Melissa A Ott, DO | Family Practice | Portland, OR |
| Bettricia A Otto, DPM | Podiatry | Portland, OR |
| Petter L Overton-Harris, DO | Emergency Medicine | Portland, OR |
| Gregory Owens | Allergy/ Immunology | Portland, OR |
| Sarah S Owens, LCSW | Licensed Clinical Social Worker | Portland, OR |
| Drew Oyama | Hospitalist | Portland, OR |
| Oliver B Padgett, MD | Nephrology | Portland, OR |
| Jonathan T Pak, M.D. | Critical Care (Intensivists) | Tucson, AZ |
| Maria M Palazeti, MD | Family Practice | Portland, OR |
| Julia Palmer, MD | Emergency Medicine | Hillsboro, OR |
| Jay Pandav, MD | Nephrology | Portland, OR |
| Apurva Pandey, M.D | Hematology-Oncology | Portland, OR |
| Samantha Paramore, RN | Nurse Practitioner | Springfield, OR |
| Brian J Park, M.D., M.P.H. | Family Practice | Portland, OR |
| Brian Park | Interventional Radiology | Portland, OR |
| Dong-Wouk Park, MD | Ophthalmology | Longview, WA |
| Katherine Park | Neurology | Portland, OR |
| Bradley R Parke, MD | Internal Medicine | Portland, OR |
| Michael R Parsons, M.D. | Cardiology | Portland, OR |
| Amir S Patel | Urology | Portland, OR |
| Neel Patel, MD | Diagnostic Radiology | Portland, OR |
| Neesha R Patel, MD | Family Practice | Portland, OR |
| Rhusheet Patel, M.D. | Vascular Surgery | Portland, OR |
| Tanay Patel, M.D. | Interventional Radiology | Portland, OR |
| Gillian R Paton, MD | Ophthalmology | Portland, OR |
| Katelyn D Pavlat, MD | Family Practice | Portland, OR |
| Roma Pegany, MD | Ophthalmology | Portland, OR |
| Guillaume J Pegna, M.D. | Medical Oncology | Portland, OR |
| Mark E Pennesi, MD PHD | Ophthalmology | Portland, OR |
| Aura Petcu, NP | Nurse Practitioner | Portland, OR |
| Bradley J Petek, MD | Cardiology | Portland, OR |
| Blair Peters | Plastic and Reconstructive Surgery | Portland, OR |
| Jeramy R Peters, D.O. | Psychiatry | Portland, OR |
| Margaret Peters | Physician Assistant | Washington, DC |
| Ellen L Petersen, FNP-C | Nurse Practitioner | Portland, OR |
| Michael Peterson, PA-C | Physician Assistant | Portland, OR |
| David Pettersson, M.D. | Diagnostic Radiology | Portland, OR |
| Christopher D Pfeiffer, M.D., M.H.S. | Infectious Disease | Portland, OR |
| Ronald F Pfeiffer, MD | Neurology | Portland, OR |
| Andrew Phelps | Diagnostic Radiology | Portland, OR |
| Travis C Philipp, MD | Orthopedic Surgery | Portland, OR |
| Mary E Pickett, MD | Internal Medicine | Portland, OR |
| Aimee L Pierce, M.D. | Neurology | Portland, OR |
| Soniya Pimparkar, DO | Family Practice | Albany, OR |
| Kevin M Piro, M.D. | Internal Medicine | Portland, OR |
| Nicole Place, MD | Family Practice | Portland, OR |
| Daryl A Plotzker, FNP | Nurse Practitioner | Portland, OR |
| Hunter Poarch | Family Practice | Portland, OR |
| Jeffrey M Pollock, MD | Diagnostic Radiology | Tualatin, OR |
| Rodney F Pommier, MD | Surgical Oncology | Portland, OR |
| Maxwell C Poole | Physician Assistant | Portland, OR |
| Bailey A Pope, M.D. | Hospitalist | Portland, OR |
| Carl M Post, MD | Radiation Oncology | Portland, OR |
| David Poulsen, MD | Ophthalmology | Hood River, OR |
| Laura B Powell, AGACNP | Nurse Practitioner | Portland, OR |
| Jordan E Praytor, PA-C | Physician Assistant | Portland, OR |
| Richard D Press, MD | Pathology | Portland, OR |
| Juliette S Preston, MD | Neurology | Portland, OR |
| Ryan A Priest, M.D. | Interventional Radiology | Portland, OR |
| Bradley E Probst, MN FNP | Nurse Practitioner | Hillsboro, OR |
| Paolo Antonio R Punsalan, M.D. | Orthopedic Surgery | Portland, OR |
| Jonathan Q Purnell, MD | Endocrinology | Portland, OR |
| Lisa Pusateri, AG-ACNP | Nurse Practitioner | Gresham, OR |
| Nancy Puzziferri, MD | General Surgery | Portland, OR |
| Chelsea Pyle | Diagnostic Radiology | Portland, OR |
| Keith B Quencer, MD | Interventional Radiology | Portland, OR |
| Joseph F Quinn, MD | Neurology | Portland, OR |
| Alia P Qureshi, M.D. | General Surgery | Needham, MA |
| Lisa M Radcliff, F.N.P. | Nurse Practitioner | Beaverton, OR |
| Philipp W Raess, MD, PHD | Pathology | Portland, OR |
| Hind Wahiba Rahmouni, M.D. | Cardiology | Portland, OR |
| Teressa E Raine, PA-C | Physician Assistant | Portland, OR |
| Y Pritham Raj, MD | Internal Medicine | Portland, OR |
| Naga Praneeth Raja, M.D., | Medical Oncology | Beaverton, OR |
| Salil R Rajayer, M.D. | Critical Care (Intensivists) | Portland, OR |
| Dmitriy Rakhlin, PMHNP | Nurse Practitioner | Portland, OR |
| Poornima Ramanan, MD | Infectious Disease | Portland, OR |
| Adrian M Ramos, FNP-C | Nurse Practitioner | Vancouver, WA |
| Duncan C Ramsey, MD | Orthopedic Surgery | Portland, OR |
| Lauren E Ramsperger, PA | Physician Assistant | Portland, OR |
| Ran Ran, M.D. | Pulmonary Disease | Portland, OR |
| Gregory Randolph, PA-C | Physician Assistant | Scappoose, OR |
| Samantha M Raphael, PA-C | Physician Assistant | Portland, OR |
Practice locations
Listed practice locations in Oregon, Washington.
Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.
Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations