Dr. Mary A. Thomason
- Gender: Female
- Experience: 22 years
- Graduated from: Oregon Health Sciences University School Of Medicine
- Graduation year: 1999
- Sole propriator: No
- NPI: 1427019322
Dr. Mary A. Thomason MD
Internist
She is located at 12442 Southwest Scholls Ferry Road Suite 106 in Tigard, OR 97223. Can help patients with the following: Abdominal Pain, Edema, Heart Disease, Migraine, Nausea and Vomiting, Peptic Ulcer. Her National Provider Identifier (NPI) number is 1427019322. Appointment can be made via the phone number (503) 216-9200. She is affiliated with 3 hospitals.
Conditions treated
Dr. Mary Thomason, being an internist, 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. Mary A. Thomason.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mary A. Thomason 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. Mary A. Thomason 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. Mary A. Thomason is enrolled to bill Medicare as a 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.
Studies
OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1999Affiliated hospitals
Looking for more Internists?
Out of the 22 internists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 9250 Southwest Hall Boulevard Tigard, 97223, OR
- Gender: Female
- Address: Suite 106 12442 Southwest Scholls Ferry Road Tigard, 97223, OR
- Gender: Male
- Address: Suite 106 12442 Southwest Scholls Ferry Road Tigard, 97223, OR
- Gender: Female
- Address: Suite 106 12442 Southwest Scholls Ferry Road Tigard, 97223, OR
- Gender: Male
- Address: Suite 106 12442 Southwest Scholls Ferry Road Tigard, 97223, OR
- Gender: Male
- Address: Suite 200 9900 Southwest Hall Boulevard Tigard, 97223, OR
- Gender: Male
- Address: 9250 Southwest Hall Boulevard Tigard, 97223, OR
- Gender: Male
- Address: Suite 100 9735 Southwest Shady Lane Tigard, 97223, OR
- Gender: Female
- Address: Suite 106 12442 Southwest Scholls Ferry Road Tigard, 97223, OR
- Gender: Male
- Address: Suite 200 9900 Southwest Hall Boulevard Tigard, 97223, OR
Questions & Answers
Where can you meet with Dr. Mary Thomason?
Dr. Mary Thomason's office is located at 12442 Southwest Scholls Ferry Road Suite 106 in Tigard, OR 97223.
Has Dr. Mary Thomason affiliation with hospitals?
Dr. Mary Thomason is affiliated with PROVIDENCE PORTLAND MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. Mary Thomason treat?
Dr. Mary Thomason provides treatment for Abdominal Pain, Edema, Heart Disease, Migraine, Nausea and Vomiting, Peptic Ulcer. For the full list see this list.
Does Dr. Mary Thomason accept insurance?
Dr. Mary Thomason is listed in-network for 11 ACA Marketplace (Obamacare/HealthCare.gov) plans from Providence Health Plan. See the Marketplace plans section for details.