Saint Alphonsus Medical Center - Ontario

351 S.W. 9th Street
Ontario, Oregon 97914
Phone: (541)881-7000
Toll Free: 1-877-225-4762


Our Physician Staff:

  • David Jolley, D.P.M. - Podiatry
  • David Nagata, M.D. - Internal Medicine
  • Andrew C. Peterson, M.D. - Internal Medicine
  • Steven C. Reich, M.D. - Ear, Nose, and Throat/Head and Neck Surgery
  • Laurence Stoune, M.D. - Internal Medicine
  • Mohsin Syed, M.D. - Internal Medicine
  • Saira Syed, M.D. - Internal Medicine

Laurence Stoune, MD

David Nagata, MD

Steven Reich, MD

Andrew Peterson, MD

David Jolley, DO

Mohsin Syed, MD

Saira Syed, MD

Welcome to Treasure Valley Internal Medicine

Treasure Valley Medical Group is an employed physician group associated with Holy Rosary Medical Center. Our office is located on the 3rd floor of the medical office building attached to Holy Rosary Medical Center.

Our practice is comprised of seven physicians, whose specialties include; internal medicine, ear, nose and throat, and podiatry. We are committed to meeting the health care needs of patients in our local community.

The physicians of Treasure Valley Medical Group bring an understanding of wellness, disease prevention, and promotion of good health to our patients.

Thank you for choosing Treasure Valley Medical Group.

Hours and Appointments

  • TVMG Office Hours:
    8:00 am to 5:00 pm Monday through Thursday (closed for lunch 1:00p to 2:00p)
    8:00 am to 1:00 pm Fridays

  • Patients are seen by appointment. Same day and next day appointments are available for urgent medical issues.

  • Please bring insurance cards with you to your appointment. Additionally, we request that patients bring ALL their medications (in the bottle) with them to every appointment. This includes over the counter medications.

  • Please arrive 10 minutes prior to your scheduled appointment time

  • Please bring all medications in their bottles

  • Have with you all current insurance cards

  • If you are a new patient, please print off our paperwork and bring completed to your appointment. If you are more than 15-20 minutes late for your appointment, you may be asked to reschedule. This will allow us to serve other patients.

To schedule an appointment, please call 541-881-7370

For an appointment, please contact us at (541) 881-7370

The information contained in this site should not be construed as medical advice or instruction. If you need medical advice, contact your health care provider or Call T.V.I.M. at 881-7370. Holy Rosary Medical Center and/or Treasure Valley Internal Medicine do not discriminate against any person on the basis of race, color, gender, national origin, disability, religion, veteran status, or age. s



Quick Links:

  • Centers for Medicare & Medicaid Services

  • WebMD

  • InteliHealth

  • Health Touch

  • Health Finder - U.S. Department of Health & Human Services

Phone Numbers:

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Notice of Privacy Practices:

HRMC Notice of Privacy Practices

U.S. Department of Health & Human Services Website

Medical Privacy - National Standards to Protect the Privacy of Personal Health Information


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  Holy Rosary Medical Center  |  351 SW Ninth Street  |  Ontario, OR  97914  |  541.881.7000  |