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Mark Day, DO

Mark Day, DO

Optum Provider

Specialty

Family Medicine

Languages

English

Seeing patients at

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.6

114 reviews

  • Apr 30, 2026
    Verified Review

    Yes

  • Apr 30, 2026
    Verified Review

    Because he's always thorough and friendly

  • Apr 27, 2026
    Verified Review

    I have always been very satisfied with Dr. Day's service

  • Apr 26, 2026
    Verified Review

    Dr. Day provided me with all the information I needed to know and also a very caring person.

  • Apr 26, 2026
    Verified Review

    Dr. Day took the time to cover all the bases.

  • Apr 11, 2026
    Verified Review

    Very caring, always has helpful information to help with your medical problems

  • Apr 9, 2026
    Verified Review

    always listens and offers advice and solutions

  • Apr 8, 2026
    Verified Review

    He cares.

  • Apr 7, 2026
    Verified Review

    He is my primary + always helpful + professional.

  • Apr 6, 2026
    Verified Review

    HIS KNOWLEDGE AND CARING FOR MY BEST INTERESTS, Respectful and professional a caring Doctor,He makes me feel like Family, He's the best in every way. THANKS DOCTOR Day you are the BEST.

  • Apr 2, 2026
    Verified Review

    Explaining things in a way that is easy to understand

  • Mar 30, 2026
    Verified Review

    Kindness knowledgeable patient interested in patient spirals clearly

  • Mar 29, 2026
    Verified Review

    good doctor

  • Mar 29, 2026
    Verified Review

    Nice and friendly

  • Mar 29, 2026
    Verified Review

    Seems more honest and down to earth than most Doctors. He also asks the right questions as well as answering explaining the questions I had.

  • Mar 28, 2026
    Verified Review

    Dr Day take time to listen, provides good feedback, and is friendly.

  • Mar 26, 2026
    Verified Review

    Calm demeanor. Provides information.

  • Mar 25, 2026
    Verified Review

    DR. Day comes into exam room and greats me by name. Last visit 1 day before my birthday wished me a happy birthday. Knows my chart and meds. I trust his input and judgment

  • Mar 23, 2026
    Verified Review

    He’s very understanding about my health

  • Mar 22, 2026
    Verified Review

    Dr. Day asks the right questions, and gives me the answers I need.

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  • About Mark Day, DO

    Mark Day, DO, is a family medicine physician who cares for patients of all ages. His clinical interests include chronic disease management, diabetes care, geriatric health, men's and women's health, and mental health. Dr. Day completed his family medicine training through Broadlawns Medical Center and the University of Iowa.

    Philosophy of care

    Dr. Day believes great healthcare means understanding the whole person, not just their symptoms. He takes time to listen, build trusting relationships, and partner with patients on their health goals. His approach is rooted in compassion, respect, and personalized care tailored to each patient's unique needs.

    Gender

    Male

    Board certifications

    American Board of Family Medicine

    Licenses

    NV, 656

    Employed or contracted

    Employed

    Network Name

    OptumCare Network of Nevada

    PCP ID

    UHC HMO & D-SNP ID - 00010011423, UHC PPO ID - 00010671426, Humana ID - 000408000A

    NPI

    1164436994

    Hospital affiliations

    MountainView Hospital