Dr. Regan M. Duffy
- Gender: Female
- Experience: 14 years
- Graduated from: Oregon Health Sciences University School Of Medicine
- Graduation year: 2007
- Sole propriator: No
- NPI: 1487876827
Dr. Regan M. Duffy
Hematology and Oncology Specialist
She is located at 9135 Southwest Barnes Road Suite 261 in Portland, OR 97225. Can help patients with the following: Asthma, Gastroesophageal Reflux Disease (GERD), Hemophilia, Osteoporosis, Peptic Ulcer, Thalassemia. Her National Provider Identifier (NPI) number is 1487876827. Appointment can be made via the phone number (503) 216-6300. She is affiliated with 1 practices and 3 hospitals.
Conditions treated
Dr. Regan Melissa Duffy, being an hematology and oncology specialist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Regan M. Duffy.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Beta Thalassemia
- Bladder Control
- Bone Cancer
- Cancer
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Deep Vein Thrombosis (DVT)
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hemophilia
- Hiatal Hernia
- High Blood Pressure
- Hodgkin's Disease
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Idiopathic Thrombocytopenic Purpura (ITP)
- Influenza
- Inguinal Hernia
- Leukemia
- Migraine
- Multiple Myeloma
- Nausea and Vomiting
- Neutropenia
- Non-Hodgkin's Lymphoma (NHL)
- Obesity
- Osteoporosis
- Peptic Ulcer
- Pernicious Anemia
- Polycythemia
- Prescription Refill
- Pulmonary Embolism (PE)
- Sickle Cell Anemia
- Thalassemia
- Thrombocytopenia
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Regan M. Duffy as in-network for the following 2026 plans.
Health plans
Providence Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 11 plans from Providence Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect 1500 Gold | EPO · Gold | Connect | Not accepting new patients |
| Connect 6000 Silver | EPO · Silver | Connect | Not accepting new patients |
| Connect 9800 Bronze | EPO · Expanded Bronze | Connect | Not accepting new patients |
| HSA Qualified 7500 Bronze - Choice Network | EPO · Expanded Bronze | Choice | Not accepting new patients |
| HSA-E Qualified 7500 Bronze - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Choice Network | EPO · Expanded Bronze | Choice | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Choice Network | EPO · Gold | Choice | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Signature Network | EPO · Gold | EPO | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Choice Network | EPO · Silver | Choice | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Signature Network | EPO · Silver | EPO | Not accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Regan M. Duffy is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Regan M. Duffy is enrolled to bill Medicare as a Practitioner - Hematology/oncology (also registered under: Practitioner - Internal Medicine) .
Bills through: Providence Health & Services Oregon
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Amgen | $43 |
Other
| Food and Beverage | $43 |
Studies
OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2007Additional Specialities
- Internist
Affiliated hospitals
Looking for more Hematology and Oncology Specialists?
There are 6 other hematology and oncology specialists in this region.
- Gender: Female
- Address: 315 North Washington Avenue Suite 230 Cookeville, 38501, TN
- Gender: Male
- Address: Suite 261 9135 Southwest Barnes Road Portland, 97225, OR
- Gender: Male
- Address: 11215 Metro Parkway Suite 1 Fort Myers, 33966, FL
- Gender: Female
- Address: Suite 261 9135 Southwest Barnes Road Portland, 97225, OR
- Gender: Female
- Address: Suite 261 9135 Southwest Barnes Road Portland, 97225, OR
- Gender: Female
- Address: Suite 261 9135 Southwest Barnes Road Portland, 97225, OR
Questions & Answers
Does Dr. Regan Melissa Duffy accept insurance?
Dr. Regan Melissa Duffy is listed in-network for 11 ACA Marketplace (Obamacare/HealthCare.gov) plans from Providence Health Plan. See the Marketplace plans section for details.
Does Dr. Regan Melissa Duffy have affiliation with practices?
Dr. Regan Melissa Duffy is affiliated with Providence Oncology & Hematology Care Clinic.
What conditions does Dr. Regan Melissa Duffy treat?
Dr. Regan Melissa Duffy provides treatment for Asthma, Gastroesophageal Reflux Disease (GERD), Hemophilia, Osteoporosis, Peptic Ulcer, Thalassemia. For the full list see this list.
Where can you meet with Dr. Regan Melissa Duffy?
Dr. Regan Melissa Duffy's office is located at 9135 Southwest Barnes Road Suite 261 in Portland, OR 97225.
Has Dr. Regan Melissa Duffy affiliation with hospitals?
Dr. Regan Melissa Duffy is affiliated with PROVIDENCE PORTLAND MEDICAL CENTER. For the full list of hospitals see this list.