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Family Medicine

Language(s) Spoken

English; Russian; Ukrainian

Joined Kelsey-Seybold

March 2021

Accepting New Patients?


Professional Background

Dr. Oksana Marroquin is a board-certified Family Medicine physician. She earned her medical degree at Ryazan State Ivan Petrovich Pavlov Medical University Medical Faculty in 1992.

She completed her Internal Medicine residency in 1994 at Danylo Halytsky Lviv National Medical University, Stryy Central Town Hospital, in Stryy, Ukraine.

Starting her medical career in her home country of Ukraine in 1994, Dr. Marroquin came to the United States in 2010, settling in Humble, Texas, and working at Memorial Hermann Hospital as a Patient Access Representative while pursuing her Texas medical license. Before coming to Kelsey-Seybold Clinic, Dr. Marroquin was on staff at MedExpress Urgent Care in Spring, Texas.

Professional Associations

Dr. Marroquin is a member of the American Academy of Family Physicians (AAFP) and the Texas Academy of Family Physicians (TAFP) Commission on Health Care Services and Managed Care.

Hobbies and Interests

Dr. Marroquin enjoys yoga, gardening, and travel.

Fun Facts

The best advice Dr. Marroquin has ever received is “Enjoy every day.”

The most exotic/interesting place she has been to is Jerusalem. Her guilty pleasure is dark chocolate.

As a child, Dr. Marroquin wanted to be a doctor. She was inspired by her aunt who was a pediatrician.

​Treat every patient as if they are family or a friend.

Available Appointments with Oksana Marroquin, MD

Visit Type :

​​​​​​​​​​Virtual Health

For the safety and protection of our patients and healthcare provider team, Virtual Visit options are available to all new and current patients.

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​​​​​​​​​​​​By Phone

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Awards & Recognitions

  • Outstanding Performance in an Emergent Situation, MedExpress Urgent Care, 2020
  • Certificate of Honor, Zhytomyr Central City Hospital #1, 2005
  • Certificate of Honor, Stryy Central Town Hospital, 2003

Posters, Abstracts and Presentations

  • Prenatal Care Improvement in Family Medicine Residency Clinic, 2017
  • The Implementation of Warfarin Adjustment Protocol to Standardize Anticoagulation Management and Documentation in the Outpatient Setting, 2016
  • Variants of Anatomical Structure of Lower Limb Veins and Clinical Application, Oral Presentation at Annual Student Conference/Anatomy; Ryazan, Russian Federation, 1987