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Mary Alice Lanning Thomason

Internal Medicine Physician - General

Highlights

  • Board Certified

Biography

Mary Alice Lanning Thomason is a Internal Medicine Physician - General practicing in Tigard, OR

She has not yet shared a personalized biography with Doctor.com.

Featured Review See More Reviews

Have been the Dr for a long time she always listens to what I said and is interested in my well being…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
Or Health Science University School of Medicine, Portland OrOther Degree1999

InstitutionFocusYear
Residency - University Of Wi Hospital & Cli, Internal MedicineNot Specified

CertificationCert. BodyYear
Internal medicineInternal MedicineNot Specified

Practice & Hospital Affiliations

  • Providence St Vincent Medical Center
       Portland, Oregon - 97225

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician

Years In Practice: 19 (started in 2006)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5
Number of Reviews: 436
Most Recent Review: 12/14/2025
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Office & Staff Evaluation Not rated

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation

Clear Explanations
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Verified Patient

“Have been the Dr for a long time...”

Have been the Dr for a long time she always listens to what I said and is interested in my well being

Anonymous 12/14/2025
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Verified Patient

“Dr. Thomason always takes the ti...”

Dr. Thomason always takes the time to listen and explain all my concerns. She knows me medically and as a person. I am so very grateful she is my physician. I have nothing but respect for her and admiration for her knowledge, professionalism and concerns for my healthcare needs.

Anonymous 12/06/2025
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Verified Patient

“Dr. Thomason is an excellent pro...”

Dr. Thomason is an excellent provider. She listens, provides explanations and in the case of my recent visit, went over the historical information on my Dexa Scan in detail. She was very thorough in providing me with the information needed about treatment options. We had a lengthy discussion of those options with both the pluses and minuses. She has excellent follow through, and I appreciate the care and concern she has for her patients.

Anonymous 12/01/2025
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Verified Patient

“Dr Thomason is wonderful...”

Dr Thomason is wonderful

Anonymous 11/28/2025
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Verified Patient

“Very, very good care at this off...”

Very, very good care at this office.

Anonymous 11/24/2025
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Verified Patient

“DR Thomason is a fantastic care ...”

DR Thomason is a fantastic care provider she always looks through my medical records throughly and is extremely helpful with her feedback and advice I feel she genuinely cares about my health. And she's always happy and kind when I have a visit with her.i wish she was my primary doctor she's that great at her job. She deserves a pay raise thank u DR Thomason.

Anonymous 12/06/2025
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Verified Patient

“Best doctor!...”

Best doctor!

Anonymous 12/05/2025
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Verified Patient

“Dr. Thomason was running a littl...”

Dr. Thomason was running a little late but listened to all I said and spent quality time with me. She recommended things I need to do it fix my fatigue. It's helping.

Anonymous 11/29/2025
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Verified Patient

“My wife and I are glad to have D...”

My wife and I are glad to have Dr. M. Thomason to be our primary physician. She takes her time explaining our concerns about our health and problems.

Anonymous 11/25/2025
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Verified Patient

“She is the best. Professional, k...”

She is the best. Professional, knowledgeable, thoughtful, empathic, and competent.

Anonymous 11/24/2025
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Locations

Affiliated Practices

Practice Colleagues

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Veronica Tiburcio-Espinoza,   -   Family Medicine Physician
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Poombavai Nagappan,   -   Internal Medicine Physician
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Dr Laura Longwell, DO   -   Internal Medicine Physician
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Mary Alice Lanning Thomason has not yet listed the medications that she commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Mary Alice Lanning Thomason has not yet specified the insurance plans she accepts.
     

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