BSA Amarillo Diagnostic Clinic

BSA Amarillo Diagnostic Clinic has been offering quality healthcare to the Texas Panhandle for more than 50 years. Our highly-trained staff specializes in adult general and sub-specialty care. All BSA Amarillo Diagnostic Clinic physicians offer patients the highest quality care available and are board certified in their specialty.

Our expert staff is highly skilled in a wide range of specialties, including:

We offer treatments for a variety of diseases and disorders, including:

  • Abnormalities in the organs
  • Acute cold and flu
  • Arthritis, gout and lupus
  • Barrett's Esophagus
  • Brain, spinal cord and nervous system disorders
  • Diabetes
  • High blood pressure
  • Infections
  • Intestinal disorders
  • Respiratory disorders
  • Sleep disorders
  • Stroke and cardiac disease

Comprehensive Care for Women

At BSA Amarillo Diagnostic Clinic, HerCare offers a comprehensive assessment of the physical, mental, sexual, emotional, spiritual and social health of women. Diagnoses and treatment are based on the latest peer-reviewed research, publications and expert guidelines on women’s health.

HerCare offers patient consultations for:

  • Sexual health including sexual dysfunction
  • Perioperative risk assessment
  • Cardiovascular risk and prevention measures
  • Midlife hormone management therapy
  • Osteoporosis
  • Vulvar disease
  • Well-woman exams

Ensuring Safe Travels

BSA Amarillo Diagnostic Clinic’s travel clinic offers patients disease-prevention services for their travels out of the country. The clinic is supervised by Dr. Taylor Carlisle, a highly-trained infectious diseases physician who is trained in tropical medicine and public health.

The travel clinic offers services for:

  • Immunizations
  • Travel counseling
  • Post-travel health evaluations

It is recommended to have a physician consultation at least six weeks before leaving the country.

Effective August 31, 2021, Dr. Karlene Reid will no longer be a physician at BSA Amarillo Diagnostic Clinic. All medical records will remain at the clinic. 



Daniel Beggs, M.D.
Internal Medicine, Gastroenterology

R. Todd Ellington, Jr., M.D.
Internal Medicine, Gastroenterology

James Lusby, M.D.
Internal Medicine, Gastroenterology

Haq Nawaz, M.D.

Haq Nawaz, M.D.

J. Taylor Carlisle, M.D.
Infectious Disease

Karlene Reid, M.D.
Internal Medicine

Holly Mitchell, M.D.
Internal Medicine

Adrian Pay, M.D.
Internal Medicine

Joanna Wilson, D.O.
Internal Medicine

Sean Milligan, M.D.

Bill Byrd, M.D.
Nuclear Medicine, Internal Medicine

Javier Dieguez, M.D.
Pulmonology, Internal Medicine

Timothy Mooring, M.D.
Sleep Study, Internal Medicine

Robert Walley, DO
Critical Care/Pulmonology

Ming Chen, MD

Ali Hussein, MD

Kayla M. Williamson, N.P.
Nurse Practitioner

Kyla Beedy, FNP-C
Family Nurse Practitioner

Lindsey Criss, F.N.P.
Nurse Practitioner

Mary Alana Elmquest, N.P.
Nurse Practitioner

Misty Lance, MSN, APRN, FNP-C

Tiffany Randle, FNP
Nurse Practitioner

Ashley Roberts, FNP-C
Nurse Practitioner

Shelli Tracy, APRN, FNP-C
Internal Medicine

Online Scheduling

Contact Information

6700 W. 9th Ave.
Amarillo , TX 79106
Phone: 806-358-0200


7:30 a.m. – 5:30 p.m.


7:30 a.m. – 12:00 p.m.