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


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.


Skip the Line, Check-in Online with BSA MyChart

With BSA MyChart’s convenient online check-in and registration features, you can skip the line and fill out needed documents from the comfort of your vehicle. Utilizing geolocation features, the BSA MyChart app will prompt you to check-in once you arrive at our facility. You will also be alerted of any needed items that need to be completed prior to your appointment.

For instructions on setting up online check-in and registration, click here


Daniel Beggs, M.D.

R. Todd Ellington, Jr., M.D.

James Lusby, M.D.

Haq Nawaz, M.D.

J. Taylor Carlisle, M.D.
Infectious Diseases

Holly Mitchell, M.D.
Internal Medicine

Adrian Pay, M.D.
Internal Medicine

Sean Milligan, M.D.

Javier Dieguez, M.D.
Critical Care, Pulmonology

Timothy Mooring, M.D.
Critical Care, Pulmonology

Ming Chen, MD

Carla Caballero, FNP
Gastroenterology, Family Nurse Practitioner

Misty Lance, MSN, APRN, FNP-C
Gastroenterology, Family Nurse Practitioner

Marilyn Miller, MSN-RN, FNP-C

Marilyn Miller, MSN-RN, FNP-C
Gastroenterology, Family Nurse Practitioner

Ashley Roberts, FNP-C
Gastroenterology, Family Nurse Practitioner

Alana Elmquist, GNP-C
Infectious Disease, Family Nurse Practitioner

Mandy Dobrowolski, NP
Internal Medicine

Lindsey Criss, ACNP-C
Neurology, Family Nurse Practitioner

Tiffany Randle, FNP-C
Neurology, Family Nurse Practitioner

Kyla Beedy, FNP-C
Pulmonology, Sleep Medicine, Family Nurse Practitioner

Kayla M. Williamson, N.P.
Pulmonology, Sleep Medicine, Family Nurse Practitioner

Contact Information

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


7:30 a.m. – 5:00 p.m.


7:30 a.m. – 12:00 p.m.