Mark Day, DO
5.0(16 reviews)
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Office Hours

  • Mon:8:30am - 5:00pm
  • Tue:8:30am - 5:00pm
  • Wed:8:30am - 5:00pm
  • Thu:8:30am - 5:00pm
  • Fri:8:30am - 5:00pm

Mark Day, DO
Internal Medicine Physician - Cardiovascular Disease

Biography

Mark Day, DO is a Internal Medicine Physician - Cardiovascular Disease practicing in Gresham, OR

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

Featured Review See More Reviews

Dr. Day is a gem.…

Anonymous

Summary

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Provider Profile 0

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Cardiovascular Disease

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 16
Most Recent Review: 08/13/2026
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Office & Staff Evaluation Not rated

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Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation 5.0

Listening Skills 5.0
Clear Explanations 5.0
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Verified Patient

“Dr. Day is a gem....”

Dr. Day is a gem.

Anonymous 08/13/2026
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Verified Patient

“Good...”

Good

Anonymous 07/21/2026
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Verified Patient

“Dr. Day has an extremely pleasan...”

Dr. Day has an extremely pleasant demeanor and very high communication skills.

Anonymous 06/14/2026
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Verified Patient

“Dr. Day was top notch. Terrific ...”

Dr. Day was top notch. Terrific communication about my health issues.

Anonymous 11/19/2025
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Verified Patient

“Anyone who need a heart Dr need ...”

Anyone who need a heart Dr need to see Doctor Day I say he's the best in Gresham

Anonymous 10/25/2025
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Verified Patient

“Dr Day is awesome, wonderful car...”

Dr Day is awesome, wonderful caring and understanding Dr. He makes you feel at ease and it's like talking to a friend

Anonymous 07/22/2026
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Verified Patient

“I cried. I was so grateful that...”

I cried. I was so grateful that a physician showed concern for my wellbeing. I loved Dr. Day. He was clear and concise.

Anonymous 07/08/2026
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Verified Patient

“El doctor David es maravilloso. ...”

El doctor David es maravilloso. Quisiera que siempre me tratel. Es magnifico muy amable.

Anonymous 04/25/2026
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Verified Patient

“Dr Day is very good at listening...”

Dr Day is very good at listening and is concerned about patients health!

Anonymous 11/01/2025
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Verified Patient

“Dr Day is amazing! Actually list...”

Dr Day is amazing! Actually listened to me.

Anonymous 09/04/2025
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Locations

Affiliated Practices

Practice Colleagues

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Judith Nigro, DO   -   Internal Medicine Physician
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Randall Harada, MD   -   Internal Medicine Physician
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Avnish Tripathi, MD, PhD, FACC, MPH, RPVI   -   Internal Medicine Physician
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Daniel Henery, DO   -   Internal Medicine Physician
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Maria Kulla, FNP-BC   -   Nurse Practitioner
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Eric Pacini, MD   -   Internal Medicine Physician
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Mark Day, DO has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Mark Day, DO has not yet specified the insurance plans he accepts.