OMC’s Helping Hands
Our Healthcare Team

Judith Gregory, FNP (Natchitoches Clinic) – Mrs. Gregory joined our Natchitoches Clinic in 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 has been 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, Lead Nurse Practitioner, 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 has been 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.

Cliff Davis, DDS (Natchitoches Clinic) – Dr. Davis has been a general dentist since 2000. Pending the re-opening of the dental clinic, closed after the onset of COVID, Dr. Davis will provide basic dentistry to patients of all ages.

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.

Jerry Williford, NP (Natchitoches Clinic) – Mr. Williford joined our Natchitoches Clinic in May 2023. As a Geriatric Nurse Practitioner, he is qualified to see patients ages 16 and older for primary care.