Good friends
are there when
you need them.

We’re right here

Open 24/7
6496 North New Braunfels
San Antonio, TX 78209

We are a group of highly experienced
emergency physicians, nurses and
technicians, that specialize in rapid,
patient-centered healthcare for families
and folks in and around Alamo Heights.

But more than that we are your neighbors.
And that’s how we treat you.

We offer a full range of services including:

Ultrasound • Lab Services
Injuries • Illnesses
Direct Hospital Admission
X-rays • CT scans
Physician on site-24 hours a day, 7 days a week

The Emergency Clinic Alamo Heights

About Us


Dr. Michael Magoon

Dr. Michael Magoon

Dr. Michael Magoon is board certified by the American Board of Emergency Medicine, and has more than 20 years of Emergency Medicine experience. He has been accepted as a “Fellow” in both the American College of Emergency Physicians and the American Academy of Emergency Medicine. Dr. Magoon has worked at Wilford Hall USAF and Brooke Army trauma centers, Baptist and Methodist Emergency Departments, and the Shannon West Texas trauma center in San Angelo.

Dr. Magoon graduated Magna Cum Laude with a degree in Physiology from Michigan State University, and completed his Medical Doctorate at Wayne State University in Detroit. After completing an Internship at the renowned Detroit Medical Center, Dr. Magoon trained in Emergency Medicine at Brooke Army-Wilford Hall in San Antonio. Subsequently, Mike completed the UT Southwestern Teaching Fellowship, and taught Emergency Medicine at Wilford Hall USAF Medical Center. While in the Air Force, Dr. Magoon was recognized as one of two worldwide “subject matter experts” in Emergency Medicine.

Dr. Magoon has extensive experience in pre-hospital care; including training with Counter Narcotics Task Force in Washington D.C and the National Association of EMS Physicians. He served as the Medical Director for Lackland AFB EMS, and as the Assistant Medical Director for the San Antonio AirLife Helicopter Rescue program. Mike has taught Emergency Medicine and pre-hospital care to medical residents, Paramedics, Flight Nurses, P.A.s, and Nurse Practitioners.

The Magoon’s have lived in San Antonio since 1990, and have made their home in Alamo Heights. We opened the Alamo Heights Minor Emergency Clinic in 2007. Already in our first year of operation, San Antonio Magazine recognized the clinic as the “Best Minor Emergency Clinic” in 2007.

Numerous other awards have been awarded to Dr. Magoon and Our Team, including recognition in Texas Monthly as a “Texas Super Doctor” in 2012, 2013, 2014; voted by SA Magazine as “Best ER Doctor” in 2012, 2013, and 2014, as well as “Best General Practice Physician” in 2012, 2013, and 2014; and SA Scene as “Best ER Doctor” and “Best General Practice Physician” in 2014 and 2015.

We are so proud of our outstanding team of clinicians, and look forward to continued service to Alamo Heights, and now the LaVernia community.

Dr. Derek Guillory

Dr. Derek Guillory

Dr. Guillory is board certified by the American Board of Emergency Medicine and has served the San Antonio community for over 10 years. He graduated Magna Cum Laude from Baylor University and received his medical degree from UT Southwestern Medical School in Dallas, TX. He completed residency training in Emergency Medicine at UT Southwestern’s Parkland Memorial Hospital in Dallas, TX.

After completing his medical training in 2004, Dr. Guillory moved to the LaVernia area and began his clinical practice in the emergency departments of the Baptist Health System, and he continues caring for the often critically ill at Baptist Medical Center in downtown San Antonio. He joined Dr. Magoon at The Emergency Clinic Alamo Heights (formerly known as Alamo Heights Minor emergency Clinic) and has proudly served the Alamo Heights community since 2007.

Alamo Heights Supporting Staff

Stephen Clare

Stephen Clare, FNP-C, grew up in San Antonio, Texas. He graduated from Baylor University with a Bachelor of Science in Biology in 1994. He then received his Bachelor of Science in Nursing from the University of Incarnate Word in 1998. In 2004, Mr. Clare received a Masters in Business Administration with an emphasis in healthcare from Walden University. He then received a Masters in Nursing with a focus in Family, Emergency and Acute Care from the University of Alabama in 2010.

With a long storied career in various Emergency Departments, Mr. Clare has had the opportunity to service the San Antonio community since 1998. Mr. Clare also has the privilege of working closely with national production companies and takes care of entertainers and their support crew.

Mr. Clare is Nationally Certified by the American Academy of Nurse Practitioners. He is certified in Advanced Cardiac Life Support (ACLS), Pediatric Advanced Life Support (PALS) and Basic Life Support (BLS).

Mr. Clare is honored to continue to support the Alamo Heights Community


Contact Us


We are located at the corner of New Braunfels Avenue and Brees Blvd, adjacent to EZ’s Restaurant

The Emergency Clinic Alamo Heights
6496 N New Braunfels Ave, San Antonio, TX 78209
Open 24/7