Welcome to Outpatient Medical Center

OMC’s Helping Hands
Our Healthcare Team

Keith Ashby, MD (Natchitoches Clinic)Dr. Ashby has been a board-certified internal medicine physician since 1995. He sees adult patients who are 18 years old and above. He also serves as OMC’s Medical Director and as the collaborating physician of OMC’s Family Nurse Practitioners.

Shayla Autrey, FNP (Natchitoches Clinic)Mrs. Autrey is expected to join our Natchitoches Clinic by December 2022. As a Family Nurse Practitioner, she is qualified to see patients of all ages and to provide women’s health services.

Judith Gregory, FNP (Natchitoches Clinic)Mrs. Gregory joined our Natchitoches Clinic by November 2022. As a Family Nurse Practitioner, she is qualified to see patients of all ages and to provide women’s health services.

Harlan “Mark” Guidry, MD, MPH (Natchitoches Clinic)Dr. Guidry is a board-certified family physician since 1990, with specialized training in preventive medicine and public health. While most of his duties are executive in nature, he serves as a collaborating physician for nurse practitioners and hosts occasional preventive health clinics. He also serves as OMC’s Chief Executive Officer and Chief Medical Officer.

Amanda Hundley, FNP (Tallulah Clinic)Mrs. Hundley has been a Family Nurse Practitioner since 2015. As a Family Nurse Practitioner, she is qualified to see patients of all ages and to provide women’s health services.

Doris Kochinsky, LCSW (Natchitoches Clinic)Ms. Kochinsky is a Licensed Counselor. She provides Behavioral Health Services (i.e. counseling or “talk therapy”) to persons with mild to moderate mental health conditions such as anxiety, depression, and many other stress and adjustment disorders.

Mary Lancaster, FNP (Natchitoches School-Based Clinic)Mrs. Lancaster has been a Family Nurse Practitioner since 2015. She has been the provider of a Natchitoches Parish School Board Clinic since 2017. She currently serves students and faculty at LP Vaughn and Natchitoches Junior High.

Blanca Osorio, MD (Telehealth Psychiatry)Dr. Osorio is a board-certified psychiatrist since 2009. She provides psychiatric medication management of patients referred to her after a behavioral health assessment performed by a counselor. She provides part-time services through telemedicine.

Selena Powe, FNP (Tallulah Clinic)Mrs. Powe has been a Family Nurse Practitioner since 2020. As a Family Nurse Practitioner, she is qualified to see patients of all ages and to provide women’s health services.

Daniel Rose, DDS (Natchitoches Clinic)Dr. Rose has been a general dentist since 1978. Pending the re-opening of the dental clinic, closed after the onset of COVID, Dr. Rose will provide basic dentistry to patients of all ages. He also serves as the OMC Dental Director.

Joyce Williams, DNP (Leesville Clinic)Dr. Williams has been a Doctor of Nursing Practice since 2020. As a Family Nurse Practitioner for over 15 years, she is qualified to see patients of all ages and to provide women’s health services.