Biography

Daniel Oyiriaru, MD, is a family medicine physician. He chose this specialty to help patients achieve better health at every stage. Dementia, geriatrics and preventive care are some of his many clinical interests.

Dr. Oyiriaru was born and raised in Nigeria, where he attended the University of Nigeria School of Medicine to earn his medical degree. He then moved to Washington, D.C., to complete his residency at Howard University Hospital and a fellowship at George Washington University Hospital. Dr. Oyiriaru currently holds board certification from the American Board of Family Medicine.

Listening to and spending time with his patients is Dr. Oyiriaru’s favorite aspect of serving as a medical doctor. He currently lives in Round Rock, Texas. He also enjoys spending quality time with his wife and two daughters.

Clinical interests

Arthritis
COPD
Dementia
Diabetes
Family medicine
Geriatrics
Heart disease
High blood pressure
High cholesterol
Preventive care

Locations

Office Hours
Sunday Closed
Monday 8 a.m. to 5 p.m.
Tuesday 8 a.m. to 5 p.m.
Wednesday 8 a.m. to 5 p.m.
Thursday 8 a.m. to 5 p.m.
Friday 8 a.m. to 5 p.m.
Saturday Closed

Education and credentials

Board certifications
American Board of Family Medicine
Fellowship
George Washington University
Medical school
University of Nigeria School of Medicine
Intern/residency
Howard University Hospital

Accepted insurances

We accept many major health insurance plans. Insurance plans accepted vary by doctor and can change. Please call your clinic directly to confirm what insurances are accepted.
Clinician numbers for agent use only.
Aetna (9429878)
Amerigroup (05290920)
BCBS (8CY265)
Humana (961313)
UnitedHealthcare (00010088369)
Wellcare (1124287784)

Patient Reviews

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57 Results

  • March 09, 2026

    Verfied Review

    5 out of 5 patient rating

    He is very thorough in explaining any questions I might have. He ensures that my concerns are met with solutions.

  • March 22, 2026

    Verfied Review

    5 out of 5 patient rating

    He's pleasant and shows great caring for my health. He orders labs and schedules other exams (e.g. eye exams) when necessary and keeps my portal informed.

  • January 20, 2026

    Verfied Review

    5 out of 5 patient rating

    He listens and understands my issues he is a great person and Doctor

  • January 29, 2026

    Verfied Review

    5 out of 5 patient rating

    He is joyful and very amiable .

  • February 26, 2026

    Verfied Review

    5 out of 5 patient rating

    Service and professionalism

  • January 17, 2026

    Verfied Review

    5 out of 5 patient rating

    We like Dr. Oyiriaru very much and would recommend him to others. He is a doctor who really cares for his patients.

  • February 17, 2026

    Verfied Review

    5 out of 5 patient rating

    Dr O,became my doctor after Dr Bui, retired. He is very very excellent at his job.

  • January 27, 2026

    Verfied Review

    5 out of 5 patient rating

    Very knowledgeable about medical conditions.

  • February 14, 2026

    Verfied Review

    4.5 out of 5 patient rating

    I think he does a good job

  • February 21, 2026

    Verfied Review

    5 out of 5 patient rating

    Now that I have meet him, I would highly recommend him for the questions he asked me to understand my health. I felt confident that he was providing good medical advice and information appropriate for me.

  • February 27, 2026

    Verfied Review

    4.5 out of 5 patient rating

    Dr. O has been great dealing with all my parents care

  • February 20, 2026

    Verfied Review

    5 out of 5 patient rating

    Good doctor

  • January 31, 2026

    Verfied Review

    5 out of 5 patient rating

    He is a carried doctor

  • January 04, 2026

    Verfied Review

    5 out of 5 patient rating

    Because he is honest and always gives you the best option to a cure.

  • December 12, 2025

    Verfied Review

    5 out of 5 patient rating

    He very concerned and confident about my health concerns.

  • November 14, 2025

    Verfied Review

    5 out of 5 patient rating

    very knowledgeable and communicates well. any referrals have been very good

  • November 19, 2025

    Verfied Review

    5 out of 5 patient rating

    Well informed, experienced, and appears to care about patient’s health.

  • November 22, 2025

    Verfied Review

    5 out of 5 patient rating

    He is very personable and helpful in reviewing my medications and vaccinations and general lifestyle to ensure that I am getting enough exercise.

  • October 12, 2025

    Verfied Review

    5 out of 5 patient rating

    Great listener answers all my questions 🙄 Great Doctor.

  • October 31, 2025

    Verfied Review

    5 out of 5 patient rating

    Because he seems to care about your health

  • October 26, 2025

    Verfied Review

    5 out of 5 patient rating

    Have known him for 6 years, so we have a relationship and he understands my preferences and is willing to work with me wherever possible.

  • October 19, 2025

    Verfied Review

    5 out of 5 patient rating

    He is an outstanding physician. He has been my PCP for about 9 years. I have left physicians if I did not consider them to be top notch.

  • October 23, 2025

    Verfied Review

    5 out of 5 patient rating

    Very professional

  • October 04, 2025

    Verfied Review

    5 out of 5 patient rating

    He listens.

  • September 29, 2025

    Verfied Review

    4.5 out of 5 patient rating

    He is very caring .

  • August 28, 2025

    Verfied Review

    5 out of 5 patient rating

    Very friendly with a good sense of humor - he really communicates all aspects of my treatment and listens attentively to any input that might be required.

  • August 21, 2025

    Verfied Review

    5 out of 5 patient rating

    He listens to you and he has good communication skills

  • August 27, 2025

    Verfied Review

    5 out of 5 patient rating

    Listened to my concerns and answered all of my questions

  • August 27, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr O is very thorough. He is also very patient and listens and responds to his patients. He is willing to discuss different care options.

  • July 01, 2025

    Verfied Review

    5 out of 5 patient rating

    Professional experience with him and listening to all my concerns.

  • July 05, 2025

    Verfied Review

    5 out of 5 patient rating

    He is friendly and he shows that he cares. He listens

  • July 05, 2025

    Verfied Review

    5 out of 5 patient rating

    Good dr

  • July 31, 2025

    Verfied Review

    5 out of 5 patient rating

    He answered all my questions and provided me with some advises that satisfy my needs.

  • June 20, 2025

    Verfied Review

    5 out of 5 patient rating

    He is a good listener.

  • May 21, 2025

    Verfied Review

    5 out of 5 patient rating

    He listens closely to my questions and makes reasonable suggestions. He is very thorough in his explanations and I feel like he’s concerned and kind and knowledgeable.

  • April 09, 2025

    Verfied Review

    5 out of 5 patient rating

    I like his manner and he seems so kind, He is certainly knowledgeable and easy to talk to about my cares.

  • April 13, 2025

    Verfied Review

    5 out of 5 patient rating

    He shows concern, and is easy to talk to.

  • April 01, 2025

    Verfied Review

    5 out of 5 patient rating

    Very knowledgeable of medical care.

  • March 31, 2025

    Verfied Review

    5 out of 5 patient rating

    He is very easy to talk to and listens to my concerns. He makes sure that my concerns are met whether with medication, a referral or whatever the need may be.

  • March 31, 2025

    Verfied Review

    5 out of 5 patient rating

    It is very hard sometimes to be treated by a doctor of your own race. It was a pleasant experience to have doctor Oyiriaru MD to talk to and let him know my concerns with my health issues. A very welcoming experience.

  • January 23, 2025

    Verfied Review

    2.5 out of 5 patient rating

    I only saw him once and he referred me to the ER. That was not enough to make a good judgment for a referral.

  • January 30, 2025

    Verfied Review

    4.5 out of 5 patient rating

    He answered all my questions. Since It was the first time I met Dr. Oyiriaru. I wished that he asked me some questions about what he read in my chart, to show some interest in me as a new patient.

  • January 02, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr Oyiriaru was very thorough and listened to my concerns. I would recomend Dr O to anyone needing a good caring and concerned doctor.

  • February 07, 2025

    Verfied Review

    5 out of 5 patient rating

    He explains very clear to you,what he's talking to you about. Also he is very professional.

  • December 03, 2024

    Verfied Review

    5 out of 5 patient rating

    Besides being a very qualified doctor, he always listens to me very carefully and takes what I say seriously.

  • June 12, 2024

    Verfied Review

    5 out of 5 patient rating

    He is experienced in his job. He has been helping me in keeping to what is required of me in respect of my condition. My condition has been steady since being with him.

  • February 07, 2024

    Verfied Review

    5 out of 5 patient rating

    Very good doctor

  • June 03, 2024

    Verfied Review

    5 out of 5 patient rating

    Very knowledgeable on wide range of medical topics. Did well during Covid. All referrals have been excellent.

  • May 15, 2024

    Verfied Review

    5 out of 5 patient rating

    HE'S MY DR AND AM SATISFIED WITH HIM.

  • March 11, 2024

    Verfied Review

    5 out of 5 patient rating

    VERY LIKELY

  • October 17, 2024

    Verfied Review

    5 out of 5 patient rating

    Because he is knowledgeable and listens to my concerns.

  • April 22, 2024

    Verfied Review

    5 out of 5 patient rating

    He is very professional very caring and always answer all my concerns.

  • January 18, 2024

    Verfied Review

    5 out of 5 patient rating

    He is very attentive and concerned. He does not rush you. Takes time to answer questions .

  • September 14, 2024

    Verfied Review

    5 out of 5 patient rating

    Dr Oyiriaru is very caring and listen to your problem.

  • November 19, 2024

    Verfied Review

    5 out of 5 patient rating

    He is a very good doctor, caring, knowledgeable, professionalism

  • February 17, 2024

    Verfied Review

    5 out of 5 patient rating

    Very professional, genuinely cares for me as a patient, providing treatments in hopes of me feeling better

  • September 05, 2024

    Verfied Review

    5 out of 5 patient rating

    I was happy to see Dr. O, we always have a pleasant visit and my issues are always addressed.