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Dr. Oksana Hirniak, DO

Dr. Oksana Hirniak, DO

Age 44 Family Medicine F
(12) 12 reviews

Telehealth available

New Patient

(858) 429-6462

Current Patient

Show number (760) 291-6700

Dr. Oksana Hirniak, DO is a family medicine specialist in San Marcos, CA. Dr. Hirniak completed a residency at Naval Hospital Camp Pendleton. She currently practices at Graybill Medical Group and is affiliated with Palomar Medical Center Poway. Dr. Hirniak is board certified in Family Practice.


New Patient? (858) 429-6462
  1. Graybill Medical Group

    1. 1
      San Marcos Office
      277 Rancheros Dr Ste 100, San Marcos, CA 92069 Call
      Existing Patients: (760) 291-6700
      New Patients:
      (858) 429-6462


Russian, Ukrainian


  • Naval Hospital Camp Pendleton, Residency Hospital — 2010
  • Naval Hospital Camp Pendleton, Internship Hospital — 2008
  • Millersville University Of Pennsylvania, Undergraduate School — 1999
  • Lviv State Medical University, Undergraduate School — 1994

Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • MultiPlan

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Dr. Hirniak and her staff are amazing. She has been a rock for me and my family in helping me navigate through breast cancer, diverticulitis and a gynecological issue and I have appreciated the personal phone calls she has made to explain test results, or to see how I am doing and the time she and her staff spend on my care. I have my husband, son and daughter seeing her now and I also referred a friend who is happy also.
Anne McDaniel in San Marcos, CA — Jan 17, 2017
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Dr. Oksana Hirniak, DO
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Hospital Affiliations

  • Palomar Medical Center Poway
  • Palomar Medical Center Escondido
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