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Gianna O’Hara, DO

Dr. O’Hara is a board-certified physician specializing in Internal and Geriatric Medicine. She is devoted to helping older adults receive the high-quality, personalized care they deserve as managing their healthcare needs becomes more complex.

Schedule an appointment with Dr. O’Hara

Urgent Care and Family Doctors in Chino Hills, Claremont, La Verne and Pomona, California

At Pomona Valley Health Centers (PVHC) in Chino Hills, Claremont, La Verne and Pomona, we believe no one should have to sacrifice quality for convenience, or pay higher costs for comprehensive, personalized medical care. That’s why you’ll enjoy complete healthcare solutions for your entire family right here, 365 days a year.

To Request an Appointment

Call (909) 630-7829

Or Use Our Easy Online Request Form

    Urgent Care Solutions When You’re Sick or Injured Today

    Our urgent care providers in Chino Hills, Claremont, and La Verne deliver fast and effective treatment when you’re sick or injured and need to be seen TODAY. No appointment is necessary. You’ll enjoy prompt, high-quality care when you need it most, including weekends and most holidays.

    Family Medicine for a Healthier Tomorrow

    PVHC doctors also provide complete family medicine, including proactive preventive care for chronic conditions such as diabetes, high blood pressure, heart disease and more. Our board-certified primary care doctors deliver all the care you need to ensure that you and your family enjoy a healthier TOMORROW.

    Convenient, Complete Healthcare Services Under One Roof

    The PVHC team brings you high-quality urgent care and primary care, plus a wide range of specialized medical services including physical therapy, women’s health, sports medicine, radiology, sleep disorder treatment and more. Why settle for limited medical care, when you can have it all at no extra cost? PVHC is here to meet ALL your health needs, ALWAYS.

    What Our Patients Are Saying

    • “My doctor has a very good bedside manner. My needs were handled in a very professional way.”

      -Darwin

    • “I was able to get an appointment without any trouble, and I feel very comfortable in my doctor’s care. The nursing staff is also kind and knowledgeable whenever I have questions.”

      -Maria

    • “I was sent to PVHC by my employer and was seen right away. The nurses and staff were great.”

      -Alejandro

    • “I came in for a shoulder injury and was seen right away. The staff was just awesome.”

      -Megan

    • “The staff was extremely helpful and courteous, and the facility was clean and comfortable. An overall wonderful experience.”

      -Jane

    • “I have visited PVHC Urgent Care three times, and each time I have been very satisfied.  Everyone I came in contact with made me feel extremely comfortable.”

      -Eleanor

    • “When I arrived I was greeted right away. Overall, my experience was wonderful and all my needs were met.”

      -Suzanne

    • “PVHC Urgent Care is truly a lovely place. I have gone to other urgent care facilities where the staff clearly do not care for their jobs and rush patients out. But the PVHC staff was extremely professional, patient and attentive. I was well cared for, all my questions were answered, and I was given a lot of helpful information.”

      -Phonicia

    • “Making an appointment was very simple and quick. The staff was polite and prompt, and I liked how the doctor explained things.”

      -Olga

    • “It is easy for me to get appointments when I need them, and I am always seen on time.  Every one of the staff is caring and responsive.”

      -Joseph

    • “I have been a patient of Dr. Deanda’s for as long as I can remember, and I have always been very happy with his care. He and his staff are exceptional.”

      -Joan

    • “My son and I go to PVHC because we really like the care we receive. Even though we live about an hour away, we still prefer this facility over any other.”

      -Bridgette

    • “PVHC paid excellent attention to my needs and health.  I was always treated very professionally.”

      -Monica