Name: Dr. An T. Nguyen

Specialty: Emergency Medicine (General Emergency Medicine)

Qualification/Board Certification: Tulane University School of Medicine; TX State Medical License (Active through 2027); CA State Medical License (Active through 2026)

Affiliation(s): Texas Health Presbyterian Hospital Denton | Texas Medicine Resources, LLP

Locations (City/State): Denton, Texas

Languages Spoken: English, Vietnamese

Accepting New Patients: Yes

NPI Number: 1114030848

About the Doctor

Dr. An T. Nguyen is a uniquely distinguished and exceptionally trained emergency medicine physician based in Denton, Texas, with over 20 years of experience in the rapid assessment and treatment of acute, life-threatening, and urgent medical conditions. He earned his medical degree from Tulane University School of Medicine, one of the nation’s respected private research universities with a strong clinical medicine tradition, and pursued an extraordinarily diverse post-graduate training pathway that sets him apart from most emergency medicine physicians. He completed his Emergency Medicine Residency at the University at Buffalo (1998–2001), an Internal Medicine Residency at Louisiana State University School of Medicine (2009–2010), and an Ophthalmology Residency at Louisiana State University School of Medicine in New Orleans (2012–2015) — giving him a rare and remarkably broad clinical skill set that spans emergency care, internal medicine, and eye surgery.

Dr. Nguyen currently practices at Texas Medicine Resources, LLP, a dedicated emergency medicine group at Texas Health Presbyterian Hospital Denton, located on North Interstate 35 in Denton. He is affiliated with Texas Health Presbyterian Hospital Denton, a well-regarded regional hospital serving the North Texas community. His triple residency training across emergency medicine, internal medicine, and ophthalmology reflects an exceptional depth of medical knowledge and a unique ability to evaluate and manage both systemic emergencies and complex ocular conditions that present in the emergency setting. Dr. Nguyen holds a perfect 5 out of 5 overall patient experience rating based on verified reviews and has earned six distinguished patient awards including Patients’ Top Choice, Makes Time for Patients, Listens Attentively, Clearly Explains, and Performs Thorough Exams — an extraordinarily comprehensive set of patient recognition awards rarely achieved by emergency medicine physicians. He accepts Medicare, Medicaid, Aetna, Elevance, and HCSC, and is currently welcoming new patients.

Highlights at a glance:

• Over 20 years of experience in general emergency medicine
• Exceptionally rare triple residency training: Emergency Medicine, Internal Medicine, and Ophthalmology
• Medical degree from Tulane University School of Medicine
• Emergency Medicine Residency at the University at Buffalo
• Ophthalmology Residency at LSU School of Medicine — unique skill set among EM physicians
• Perfect 5/5 overall patient experience rating based on verified reviews
• Six patient experience awards including Patients’ Top Choice, Listens Attentively, and Clearly Explains
• Affiliated with Texas Health Presbyterian Hospital Denton
• Multi-state licensure in Texas, California, and Louisiana
• Accepts Medicare, Medicaid, and multiple major commercial insurance plans
• Active Texas State Medical License through 2027
• Currently accepting new patients

ِِEducation & Training

• Medical School: Tulane University School of Medicine
• Residency: Emergency Medicine – University at Buffalo (1998–2001)
• Residency: Internal Medicine – Louisiana State University School of Medicine, New Orleans (2009–2010)
• Residency: Ophthalmology – Louisiana State University School of Medicine, New Orleans (2012–2015)
• Subspecialty Focus: General Emergency Medicine with additional clinical expertise in Internal Medicine and Ophthalmology

Medical Conditions Treated

• Heart attack (myocardial infarction) and acute coronary syndrome
• Stroke and acute neurological emergencies
• Severe trauma and traumatic injuries (fractures, lacerations, head injuries)
• Respiratory distress and acute breathing emergencies
• Drug overdose and toxic ingestion
• Sepsis and severe systemic infections
• Shock (hypovolemic, septic, cardiogenic)
• Burns and thermal injuries
• Massive hemorrhage and bleeding control
• Allergic reactions and anaphylaxis
• Acute abdominal emergencies
• Diabetic emergencies (hypoglycemia, DKA)
• Seizures and status epilepticus
• Ocular emergencies (eye trauma, retinal detachment, acute vision loss, chemical burns to the eye)
• Hypertensive emergencies
• Pulmonary embolism and deep vein thrombosis
• Pediatric emergencies and acute illness in children
• Psychiatric emergencies and acute mental health crises

Medical Procedures Performed

• Emergency stabilization and resuscitation
• Advanced cardiac life support (ACLS) and basic life support (BLS)
• Endotracheal intubation and airway management
• IV line placement and fluid resuscitation
• Wound care, suturing, and laceration repair
• Fracture assessment and splinting
• Chest tube insertion and thoracentesis
• Cardiac monitoring and defibrillation
• Emergency drug administration and toxicology management
• Point-of-care diagnostic testing and imaging interpretation
• Emergency ultrasound and rapid diagnostic evaluation
• Lumbar puncture and cerebrospinal fluid analysis
• Ocular examination and emergency eye care procedures (unique to EM physicians)
• Eye irrigation and treatment of chemical ocular injuries
• Pain management and procedural sedation
• Emergency referral and hospital transfer coordination

Services Offered

Dr. Nguyen provides a comprehensive and distinctively broad range of emergency medicine services at Texas Health Presbyterian Hospital Denton, combining his emergency medicine expertise with rare additional training in internal medicine and ophthalmology. This unique clinical background enables him to manage a wider array of emergency presentations with greater depth than most emergency physicians — particularly in cases involving ocular emergencies, complex systemic illness, and multi-system trauma.

Emergency Stabilization & Trauma Care:

Dr. Nguyen provides immediate assessment and stabilization for patients presenting with traumatic injuries, including fractures, lacerations, head trauma, spinal injuries, and internal organ damage. He delivers rapid interventions to control bleeding, manage pain, secure airways, and coordinate further specialist care.

Cardiac & Stroke Emergencies:

Dr. Nguyen evaluates and manages patients presenting with symptoms of heart attack, acute coronary syndrome, stroke, and other time-sensitive cardiovascular and neurological emergencies, initiating appropriate treatments and coordinating specialist interventions with efficiency and precision.

Ocular Emergency Care:

Drawing on his Ophthalmology Residency training — a highly unusual qualification for an emergency medicine physician — Dr. Nguyen provides advanced evaluation and management of ocular emergencies including eye trauma, chemical burns, acute vision loss, corneal injuries, and orbital fractures, offering a level of eye emergency expertise that very few EM physicians can match.

Respiratory & Critical Care:

Dr. Nguyen manages acute respiratory emergencies including asthma exacerbations, pulmonary embolism, pneumonia, and respiratory failure, providing airway management, ventilatory support, and rapid pharmacological intervention to stabilize critically ill patients.

Toxicology & Overdose Management:

Dr. Nguyen provides comprehensive management of drug overdoses, poisonings, and toxic exposures, drawing on his broad internal medicine training to manage complex systemic toxicological presentations with precision.

Acute Internal Medicine Care:

His Internal Medicine Residency training gives Dr. Nguyen enhanced expertise in evaluating and managing complex medical presentations in the emergency setting, including sepsis, electrolyte emergencies, diabetic crises, and multi-organ dysfunction — conditions where deeper internal medicine knowledge meaningfully improves patient outcomes.

Services at a glance:

• Emergency stabilization, resuscitation, and trauma management
• Cardiac emergency evaluation and treatment (MI, ACS, arrhythmias)
• Stroke recognition and emergency neurological management
• Airway management, intubation, and respiratory support
• Ocular emergency evaluation and treatment (unique EM ophthalmology expertise)
• Drug overdose and toxic exposure management
• Sepsis recognition and early goal-directed therapy
• Anaphylaxis and allergic reaction treatment
• Acute abdominal emergency evaluation
• Diabetic and metabolic emergency management
• Wound care, laceration repair, and fracture splinting
• Pediatric emergency care
• Psychiatric emergency assessment and management
• Point-of-care diagnostic testing and emergency imaging evaluation
• Emergency specialist referral and hospital admission coordination

Accepted Insurances

• Aetna – HMO, POS, PPO
• CMS Medicare – Medicare
• Elevance (formerly Anthem) – EPO, HMO, Medicare, POS, PPO
• HCSC – HMO
• OK State Medicaid – Medicaid

Please contact the practice directly to confirm your specific plan is accepted before scheduling an appointment.

Practice Locations

Location 1 Address: 3000 N Interstate 35, Denton, TX 76201 Phone: (940) 898-7000

Hospital Affiliations

• Texas Health Presbyterian Hospital Denton — Denton, TX