Mary A. L. Thomason, MD
Tigard, OR 97223
Providence Internal Medicine - Scholls
12442 Southwest Scholls Ferry Road, Suite 100, Tigard, OR 97223
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About Mary A. L. Thomason
To Mary Thomason, MD, educating patients about healthy lifestyle choices is her most important role as a primary care physician. She also believes partnering with her patients is the best way to improve their quality of life.
"Establishing long-term relationships with my patients helps me put the pieces of a patient's history and their symptoms together to complete their diagnostic puzzle," she says.
A board certified internist, Dr. Thomason earned her medical degree from Oregon Health & Science University. She completed her internship and residency at the University of Wisconsin Hospital and Clinics in Madison.
Dr. Thomason is married with two children. In her free time, she enjoys jogging, biking and playing with the family's chocolate Labrador Retriever.
Oregon Health & Science University
1999
- American Board of Internal Medicine, Internal Medicine

12442 Southwest Scholls Ferry Road, Suite 100
Tigard, OR 97223
Providence Medical Group - Oregon
Providence St. Vincent Medical Center
Community Reviews
At Providence, we're dedicated to providing you quality, personalized health care. We are constantly striving to optimize your experience.
As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.
Dr. Thomason and her MA have been very consistent in regards to professional and caring towards me as a patient.
Providence Patient
I have been a patient at Scholls facility for almost 30 years. My wife has Dr. Thomason as her PCP, and I decided to change to Dr. Thomason. I found her to be easy to talk too, helpful, willing to explore different options for my health, and willing to listen. She is very detailed. I am glad I changed to her as my PCP.
Providence Patient
Dr. Thomason takes time to listen to any concerns you may have, and makes sure that she has replied to all of them. I fell so lucky to have her as my GP.
Providence Patient
Dr. Thomason is a wonderful doctor! The group is great too.
Providence Patient
Dr Thomason is "the best"!
Providence Patient
Always very helpful and spends time talking about health issues
Providence Patient
I appreciate Dr Thomason's care and how she listens to my concerns.
Providence Patient
Dr. Thomason is an absolute gem. I could not ask for a more compassionate, knowledgeable, and respectful provider.
Providence Patient
Dr. Thomasson is highly intelligent and knowledgeable. She always gets to the bottom of the problem and solves it. I greatly admire and respect her.
Providence Patient
Mary Thomason is a great care provider. She shows attention and concern for the issues discussed. I always feel heard and seen by Mary Thomason.
Providence Patient
Dr. Thomason is such a gem. I am so grateful to have her as my primary care provider.
Providence Patient
I give Dr.Thomason and her times1000 over100 point .They are very very very good
Providence Patient
I'm am so very grateful to have Dr. Thomason as my healthcare provider. She knows not only my medical needs but me as a person and helps to guide me through the best care possible for me. She is always patient, listening to my concerns respectfully working with me to enhance my health and wellbeing. She is knowledgeable and I trust her immensely.
Providence Patient
Dr. Thomason is the best
Providence Patient
Lucky to be her patient
Providence Patient
Dr. Thomasen & staff are the very best!
Providence Patient
Dr. Thomason is the very best physician. Always helpful, caring and practical in her advice.
Providence Patient
Very patient with me when asking questions and explaining everything well and shows concern about my health great doctor.
Providence Patient
Dr. Thomason is the most amazing provider I could ask for. I no longer live near her office but still travel to see her because she is worth it. She makes me feel confident in understanding all of my different medical issues. She is curious, well-informed, kind, funny and respectful. Since Providence closed its Long Covid clinic she is now handling my illness and I am grateful to have her.
Providence Patient
Dr. Thomason has been my primary doctor for several years.. She has been correct about all concerns and has sent me to specialist if needed, she has kept up with my health and together we get a plan. If there's any failure it's on my part in that I wait too long for help then it takes months to get to that appointment.
Providence Patient
Dr. Thomason is the best Doctor I have ever had and I have never had a bad experience.
Providence Patient
Dr. Thomason is a great physician. She listens attentively and answer all the questions I asked. I appreciate her for being thoughtful and kind.
Providence Patient
Dr. Thomason is the absolute best PCP I have ever had. She is thorough, professional, easy to talk to and excellent at working with me on solutions to my problems. Most PCP's just "listen and prescribe" and you walk out with numerous questions wishing there was more interaction regarding your issues.
Providence Patient
Dr. Thompson was very thorough and able to put me at ease with her explanation of my Healthcare needs.
Providence Patient
I have always have had great experiences with Dr. Thomason and received excellent from her.
Providence Patient
Dr. Thomason is a real gem - the best M.D, of my long life. She cares, is knowledgeable, is very personable, and dedicated to your best health. She always offers plans for solving your healthcare issues. She is a positive person, and a friend (if that sounds corny). Her bosses can trust that she is doing a fabulous job! Believe it or not, it is a pleasure to visit with her. You will hear no negatives from me....
Providence Patient
Dr. Thomason is always professional and addresses anything we ask.
Providence Patient
Very good experience!
Providence Patient
Dr, Thomason is one of the best--very easy to talk to and listens! And lots of good ideas.
Providence Patient
Dr thomason was attentive to my concerns and provided answers to my inquiries that I understand.
Providence Patient
It was a very good example
Providence Patient
Love Dr Thomason. Best doctor ever.
Providence Patient
The visit was comfortable and very helpful.
Providence Patient
Dr Thomason May run behind but the reason for this is because she cares about her patients. She never makes you feel rushed She always has time to answer all questions
Providence Patient
I've have had only positive experiences with Dr. Thomason
Providence Patient
Dr. Thompson always provides excellent service.
Providence Patient
Dr Thomason is an excellent listener and I'm grateful she is willing to spend the time necessary to understand my health concerns.
Providence Patient
Mary Thomason is the best provider I have had since the 1980's. ShE is thorough and caring and really listens
Providence Patient
I have been seeing Mary for many years. I continue with Providence because of her.
Providence Patient
Excellent interactions and care with the physician's assistant and the physician
Providence Patient
Always recommend dr Mary Thomason
Providence Patient
I'm very happy with my care have been with my doc for over 10 years
Providence Patient
Dr Thomason is wonderful.
Providence Patient
Dr Thomason is excellent. The reorganization of the blackened team has made her less available on messaging which needs to be fixed.
Providence Patient
She always takes the time I need to address issues.
Providence Patient
Dr. Thompson is always very thorough! I trust her advice. She diagnosed a muscle disease I had when nobody was catching it the ER or the doctors I trust her completely.
Providence Patient
Dr Thomason is always patient, thoughtful, a great listener, thorough, and extremely competent. She is a great physician.
Providence Patient
I always feel well cared for by my provider. I feel fortunate to have her.
Providence Patient
Absolutely positive. Dr. Thomason is an excellent doctor. I can trust my health in her.
Providence Patient
Dr. Thomason is an excellent physician. She is knowledgeable about my health, follows up, listens to my concerns and provides great feedback. I appreciate her follow up to any questions or telephone calls.
Providence Patient
Dr Thomason listens well. She gives excellent recommendations.
Providence Patient
Dr Thomason was attentive, reassuring, and provided excellent care.
Providence Patient
Excellent care
Providence Patient
Dr. T is the best!
Providence Patient
Excellent care
Providence Patient
Thanks to everyone in this office who do their best to make things move like clockwork.
Providence Patient
Mary Thomas and her assistant are the best. I don't say this lightly.
Providence Patient
I don't mind waiting a couple of extra minutes for Dr. Thomason. I'm confident that she's giving the patients prior to me the same attention she gives me. She is consistently thoughtful, kind, and listens carefully to what I have to say. Better, she explains issues and potential issues clearly, and takes excellent care of me.
Providence Patient
Dr. Thomason is always attentive, informed and personable.
Providence Patient
Mary Thomason is very consistent in being a very thoughtful,caring and professional provider. Love that she is on my health care team!
Providence Patient
Mary Thomason is a very good listener as well as a compassionate thorough provider. I am lucky to be one of her patients.
Providence Patient
Office visit was excellent. Dr. Spent a great deal of time to make sure all of my questions were answered.
Providence Patient
Dr Thomason has been and continues to be hands down one of the best doctors I have had. She listens and cares, and very responsive when help is needed.
Providence Patient
Dr. Thomason always listens and provides suggestions to help with solutions to my physical and mental health. I highly recommend her and her staff.
Providence Patient
My Dr is EXCELLENT
Providence Patient
I receive with Dr.Mary Thomason the best of care and respect. She is always on top of things.
Providence Patient
Experience was very good Dr. Mary Thomason and her assistant are excellent.
Providence Patient
I look forward to my annual visit with Dr Thomason because I know she will take the time to attentively listen to any concerns I have and help to find a solution or plan for them. She is very gentle and informative in her manner. I feel lucky to have her as my PCP.
Providence Patient
She uses her best professional medical knowledge to help the questions from the patient. She is very concerned about the patient's needs. Best medical provider ever.
Providence Patient
She is fabulous
Providence Patient
Dr. Thomason is the best!
Providence Patient
Excellent visit with a top notch physician who cares about her patients and provides excellent care.
Providence Patient
Dr Thomason is one of the best doctors we encounter in our life's, also my wife
Providence Patient
I have been a patient of Dr. Thomason for 16 years and Dr. Thomason is comfortable to talk with about all my health care needs . She takes her time to make certain you have any questions or concerns and Dr. Thomason always provides me with Excellent care and I am very happy she is my Doctor.
Providence Patient
Dr Thomason in my 78 years and a female is the best dr I have ever had. She found out that my migraines that I had for 10 + years was do to high blood pressure and prescribed medication for me and not one male dr gave me medication for high blood pressure . I have not had a migraine since, I have had some headaches . Dr Thomason is the BEST dr EVER.
Providence Patient
Dr Thomason never makes you feel rushed. She always takes as much time as it takes to cover all my concerns
Providence Patient
Dr Thomason is a caring, physician who always listens and treats her patients as friends.
Providence Patient
Extremely positive experience with Dr Mary Thomason. She had reviewed my records and history before the appt, so we were able to quickly address the issues I'm having. She is knowledgeable, listens to my concerns, and guides me to the appropriate treatment plan. I was very impressed with her!
Providence Patient
Dr. Thomason is the best doctor. She is a great listener and is very compassionate. She spends quality to with you understanding your health needs. I did have a reaction to a medication prescribed and tried to call a help line to speak with a nurse. No one was able to field my call, so I did my best to figure out what to do, otherwise I'm very satisfied with the care Dr. Thomason provides. Thank you
Providence Patient
Very good.I gave her 100 out,of 10
Providence Patient
Caring and compassionate Doctor!
Providence Patient
Very easy to cc with!She is empathetic.
Providence Patient
Dr.. Thomson is easy to talk to and very thorough. She explains things so I can understand . She answers questions thoroughly.
Providence Patient
I love my doctor! She listens and is always clear about instructions, my health goals, and is very positive and encouraging.
Providence Patient
I really appreciate Dr. Thomason! She really cares for her patience. And makes plans for me to have better health.
Providence Patient
Dr Thomason is always personable, kind, patient and never makes me feel hurried.
Providence Patient
She is very thorough and caring
Providence Patient
Dr. Mary Thomason is my doctor and she is thorough and knowledgeable about me.
Providence Patient
Dr Mary Thompson is kind and patient with me. I am thankful that she did remember me as a patient.
Providence Patient
This was my first time seeing Dr. Thomason. It took me 7 months to get an appointment as a new patient. I have no other experience with this practice. Dr. Thomason was phenomenal and spent all the time I needed, answering all of my questions and concerns. I could not have been happier. I haven't had a real PCP in 8 years and am so grateful to have found her.
Providence Patient
I always have had great experiences with Dr. Thomason and her team. It is pleasant to interact with her and she is very knowledgeable and caring.
Providence Patient
Dr Thomason is the best doctor in my 74 years!
Providence Patient
I had to wait a little bit longer at the actual appointment, but at the same time I knew the Dr. Was spending quality time with the patient before me.
Providence Patient
Dr Thomason is very knowledgeable, detailed and patient.
Providence Patient
Good
Providence Patient
Dr. Thomason is friendly, compassionate and professional. I never felt rushed during the visit and she answered all of my questions.
Providence Patient
Mary Thomason is THE queen of doctors! And I always say this. She is very smart, very knowledgeable, friendly, informal, concerned, passionate. I always know she is on my side & directing me properly. She cares for sure. I really appreciate her "style," her humor, her personality. I have said it before but will repeat: she was born to be a doctor, and a top one! I am getting elderly and my needs change, but I always know she is wants the best for me.
Providence Patient
All Good
Providence Patient
Dr. Mary Thomason is the very best & I'm lucky to have her as my PCP!
Providence Patient
Dr. Thomason consistently provides the best support I have ever had from a primary care physician!
Providence Patient
Love this place always helpful and very caring.
Providence Patient
Dr. Thomason is the best and I am so grateful that she is my doctor! She is always helpful and a very good listener. She takes time to understand what I am going through and offers thoughtful suggestions for solutions.
Providence Patient
She is exceptionally good to her patients
Providence Patient
Dr. Thomason is kind, patient and thorough in making sure she addresses all my concerns.
Providence Patient
Dr. Mary Thomason is very attentive to my medical needs! She is a great listener and I appreciate her kindness and thoughtfulness!
Providence Patient
Knowledgeable professional who has a caring bedside manner
Providence Patient
Dr Thomason is wonderful.
Providence Patient
She is the most caring provider we have had in a long time, she cares for her patients with the utmost respect and compassion
Providence Patient
Dr Thomason is the best doctor our family has had and we've always had great doctors
Providence Patient
Very very good
Providence Patient
She is very personal and professional, caring and very supportive
Providence Patient
Dr Thomason spent extra time w me to make sure all my questions and concerns were satisfied.
Providence Patient
Dr. Thomason is the best doctor I have ever had!
Providence Patient
Mary Thomason, MD, is the best Primary Physician I have had in my 79 yrs of age! And, I say that not only as a patient but also as a retired RN, MPH! I hope that she will continue being my PMD for the rest of my life, too!
Providence Patient
Dr. Thomason has been my physician for many years I could not ask for better.
Providence Patient
Dr. Thomason never rushes me. She always answers my questions and makes me feel like she has a personal interest in my health. I feel very fortunate to have her as my provider.
Providence Patient
I have been with this PRovider for over 15 years and she is always exceptional in her care she provides for me.
Providence Patient
Dr. Thompson was friendly and attentive
Providence Patient
I absolutely love Dr. Thompson. She is very professional. She's very thorough. She listens well and gives me her professional opinion on what I could be doing better.
Providence Patient
Do. Thomason is an excellent doctor.
Providence Patient
Excellent experiences. Dr Thomason is ALWAYS in any health concerns. She listens and comments. VERY knowledgeable, considerate!
Providence Patient
Very professional and concerning the patient needs and condition
Providence Patient
I have never had an issue with the care provided by Dr. Thomason. She truly takes the time to listen to any concerns I might have and works with me to find a solution. She is a caring person and it shows. The office staff and the rest of her care team are amazing as well.
Providence Patient
I was very blessed to be able to get an appointment so quickly with my doctor. As usual, she made me feel like my concern was significant and had all the time in the world for me.
Providence Patient
Dr. Thomason is such wonderful physician. She always greets me warmly, listens carefully to what I want to discuss and addresses the issues. She's professional and warm in her analysis.
Providence Patient
I really appreciate being able to see a physician.
Providence Patient
Provider is patient, gracious, knowledgeable
Providence Patient
Dr Thomason is as thorough as necessary until I fully understand
Providence Patient
Dr Thomason listens well and does her best to help with any concerns. She is knowledgeable and offers options for medications to get the best results. I trust that she cares for my wellbeing.
Providence Patient
I like the providence. Svs
Providence Patient
Dr Thomason is always very attentive, empathetic and a great listener. Really appreciate having a Dr that I'm comfortable with and doesn't feel rushed
Providence Patient
I know I receive the best care possible. Dr. Thomason is Amazing. She always answers any questions or concerns I may have and she provides excellent medical care. I feel very blessed to have Dr. Thomason as my Doctor.
Providence Patient
Dr Thomason was very professional and empathetic toward my needs and I feel finally I can count on a provider to help me start feeling better after over a year of turmoil with my thyroid
Providence Patient
Dr Thomason is the best!
Providence Patient
I always feel well cared for when I see my doctor. I Have great respect for her expertise and I feel she cares about me as an individual. I'm glad to have her as my provider.
Providence Patient
Clinical Interests
- Alcohol Dependency
- Allergies
- Anemia
- Anorexia
- Behavioral Disorders
- Birth Control Counseling
- Cancer Prevention
- Cardiovascular Disease
- Cerumen Removal
- Cholesterol Disorders
- Chronic Disease Management
- Chronic Migraines
- Chronic Obstructive Pulmonary Disease
- Decrease In Appetite
- Decreased Libido
- Dementia
- Depressed Mood
- Depression
- Developmental Assessment
- Diabetes Counseling
- Diabetes Education
- Diabetes Management
- Diabetes Mellitus
- Diet And Exercise
- Diet And Nutrition
- Disability Evaluation
- Diverticulitis
- Eating Disorders
- Enlarged Prostate
- Erectile Disorder
- Facial Nerve Palsy And Paresis
- Falls
- Family History Of Cancer
- Family History Of Heart Disease
- Gastroenteritis
- Genital Herpes, Female
- Genital Herpes, Male
- Genital Warts
- Gluten Sensitivity
- Gout
- Heart Disease
- Heart Murmur
- Hernia
- Herpes
- Herpes Zoster
- Hyperglycemia
- Hypertension
- Hyperthyroidism
- Lifestyle Modification
- Memory Disorders
- Mood Symptoms
- Musculoskeletal Pain
- Myalgia
- Newborn Care
- Nutrition And Health
- Nutritional Counseling
- Obesity
- Osteoarthritis
- Osteopenia
- Osteoporosis
- Overweight
- Palpitations
- Preventive Medicine
- Pulmonary Infections
- Sciatica
- Sexually Transmitted Disease (Std)
- Skin Disease
- Skin Tag Removal
- Sleep Disorders
- Splinter Removal
- Sports Physical Exam
- Stomach Cancer
- Substance Addiction
- Suture Removal
- Thyroid Disorder
- Tobacco Use Cessation
- Travel Medicine
- Tremor
- Twitching
- Type 1 Diabetes
- Type 2 Diabetes
- Virtual Care
- Warts
- Weakness
- Weight Loss
Dr. Thomason is always curious about my well being. She is up to date on my needs. She is the best doctor I've ever had.
Providence Patient