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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

Excellent…

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: 20 (started in 2006)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5
Number of Reviews: 508
Most Recent Review: 07/21/2026
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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

“Excellent...”

Excellent

Anonymous 07/21/2026
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Verified Patient

“Dr Thomason was thorough and kin...”

Dr Thomason was thorough and kind. I really liked her and am glad for us to be on the same team.

Anonymous 07/20/2026
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Verified Patient

“Dr. Mary Thomason is the best ca...”

Dr. Mary Thomason is the best care giver I have ever had at Providence...I really feel cared for and understood...she always meets my criteria and is always friendly, comforting, understanding and willing to do anything she can to make my life easier. Thank you Dr. Thomason

Anonymous 07/05/2026
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Verified Patient

“Dr Mary Thomason is very thoroug...”

Dr Mary Thomason is very thorough and takes her time explaining whatever is needed

Anonymous 06/27/2026
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Verified Patient

“Great doctor and medial assistan...”

Great doctor and medial assistantAlways helpful. The best doctor I have had.

Anonymous 06/21/2026
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Verified Patient

“Dr Thomason is an extraordinary ...”

Dr Thomason is an extraordinary Physician. Any inconveniences in making appointments with her or possible delays are more than compensated for by the value of talking with her about health concerns.

Anonymous 07/20/2026
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Verified Patient

“Dr Thomason was thorough, listen...”

Dr Thomason was thorough, listened well and asked good questions, and seemed genuinely interested in helping me

Anonymous 07/15/2026
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Verified Patient

“I am thankful that Dr Mary Thoma...”

I am thankful that Dr Mary Thomason is always kind to me, and care about my health. I also appreciate that she recognizes me, as a patient, and my situation.

Anonymous 07/04/2026
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Verified Patient

“Very very very good...”

Very very very good

Anonymous 06/21/2026
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Verified Patient

“Dr. Thomason is extremely thorou...”

Dr. Thomason is extremely thorough. Best primary care doctor I have ever had.

Anonymous 06/21/2026
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Locations

Affiliated Practices

Practice Colleagues

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