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Majonel L Ontanillas, MD

★★★★★ ★★★★★ 4.4 (739 ratings)
Optum Provider

Specialty

Internal Medicine

Languages

English

Seeing patients at

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.4

★★★★★ ★★★★★

131 reviews

  • ★★★★★ ★★★★★ Mar 28, 2026
    Verified Review

    Very satisfied, very professional

  • ★★★★★ ★★★★★ Mar 27, 2026
    Verified Review

    He is very caring and understanding.

  • ★★★★★ ★★★★★ Mar 26, 2026
    Verified Review

    He listens to you and explains everything.

  • ★★★★★ ★★★★★ Mar 26, 2026
    Verified Review

    Doctor Ontanillas has been my doctor for over 10 years and he has taken excellent care of me. He is very friendly and feels like family to me.

  • ★★★★★ ★★★★★ Mar 24, 2026
    Verified Review

    Listens,advises,courtious,knowledgeable,good thinker

  • ★★★★★ ★★★★★ Mar 21, 2026
    Verified Review

    The doctor is considerate answers questions and listens

  • ★★★★★ ★★★★★ Mar 21, 2026
    Verified Review

    Best primary physician I’ve ever had

  • ★★★★★ ★★★★★ Mar 20, 2026
    Verified Review

    Dr. Ontanillas has always asked and listened to my needs, and he always takes time to address the best course of actions when needed.

  • ★★★★★ ★★★★★ Mar 14, 2026
    Verified Review

    Very communicative

  • ★★★★★ ★★★★★ Mar 12, 2026
    Verified Review

    Medication he prescribed has really worked well 👏

  • ★★★★★ ★★★★★ Mar 7, 2026
    Verified Review

    I've been a Patient with Dr Ontinillas for many, many years and Dr Ontinillas is Amazing in every possible way! Five Stars!!

  • ★★★★★ ★★★★★ Mar 7, 2026
    Verified Review

    i met him for the first time at my latest visit to SMA. right now, i like him. he talks to you, not at you. he listens. i am hopeful.

  • ★★★★★ ★★★★★ Mar 4, 2026
    Verified Review

    Dr. ontanillas was professional and caring about my illness Now in days you don’t find this type of doctors anymore. He was amazing Spend time and went over his findings and recommendations. Thank you Dr Ontanillas

  • ★★★★★ ★★★★★ Mar 4, 2026
    Verified Review

    He is kind ,and acts as a Friend .

  • ★★★★★ ★★★★★ Mar 3, 2026
    Verified Review

    The best Doctor and very professional and I wish more doctors follow his kind caring and excellent patient care

  • ★★★★★ ★★★★★ Feb 27, 2026
    Verified Review

    Very easy to talk to

  • ★★★★★ ★★★★★ Feb 25, 2026
    Verified Review

    he is simply the best

  • ★★★★★ ★★★★★ Feb 21, 2026
    Verified Review

    He is attentive and willing to hear your concerns

  • ★★★★★ ★★★★★ Feb 13, 2026
    Verified Review

    Likable

  • ★★★★★ ★★★★★ Feb 12, 2026
    Verified Review

    Very good Doctor Ontaniles

Page 1 of 7
  • Gender

    Male

    Board certifications

    American Board of Internal Medicine

    Licenses

    NV, 12413

    Employed or contracted

    Employed

    Network Name

    OptumCare Network of Nevada

    PCP ID

    UHC HMO & D-SNP ID - 00040006026, UHC PPO ID - 00040357514, Humana ID - 000408002

    NPI

    1235105313

    Hospital affiliations

    Milford Regional Medical Center