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Walk-ins welcome at both locationsGessner: (713) 270-8818Stafford: (346) 283-8888
Meet Our Providers

Two providers. One standard of care.

Tuan Nguyen, M.D., leads the practice. Flor Vasquez Rivera, APRN, FNP-BC, cares for patients across family and preventive medicine.

Tuan Nguyen, M.D., Family Physician
Family Physician

Tuan Nguyen, M.D.

Experienced medicine. Personal care.

Dr. Tuan Anh Ngoc Nguyen, M.D., is a board-certified Family Medicine physician and board-certified Emergency Medicine physician with more than 18 years of clinical experience caring for patients in both hospital and outpatient settings. He earned his Doctor of Medicine degree from Ross University School of Medicine and completed his Family Medicine Residency at the University of Tennessee Family Medicine Residency Program.

Throughout his career, Dr. Nguyen has served as an Emergency Department Physician, Assistant Medical Director, and Emergency Department Medical Director. His extensive experience in both emergency and primary care medicine provides him with a broad clinical perspective and a comprehensive approach to patient care.

Dr. Nguyen's clinical interests include preventive medicine, chronic disease management, medical weight management, children's, women's, and men's health, and evidence-based wellness and aesthetic medicine. He is committed to helping patients not only manage illness, but also improve their overall health, well-being, and quality of life.

Fluent in both English and Vietnamese, Dr. Nguyen is dedicated to providing compassionate, patient-centered care built on trust, clinical excellence, and lasting relationships. He believes in taking the time to listen, understand each patient's individual needs, and work together toward healthier, more confident lives.

Education & Training

Clinical foundation

Where he trained, and what he is certified to practice.

Board Certifications

Board certified in two specialties.

  • Family MedicineAmerican Board of Family Medicine
  • Emergency MedicineAmerican Board of Physician Specialties
Medical Education & Training
  • Doctor of Medicine2003
    Ross University School of Medicine
  • Family Medicine Residency2004–2007
    University of Tennessee Family Medicine Residency Program, Jackson, Tennessee
  • B.S. in Chemistry (Pre-Medicine), Cum Laude
    Christian Brothers University
  • Graduate-Level Coursework in Chemistry
    University of Memphis
Advanced Certifications
  • ATLSAdvanced Trauma Life Support
  • ACLSAdvanced Cardiac Life Support
  • PALSPediatric Advanced Life Support
Approach to Care

Built around the patient.

Dr. Nguyen's approach combines prevention, appropriate diagnostic evaluation, treatment, and ongoing care while keeping communication clear and personal.

Flor Vasquez Rivera, Family Nurse Practitioner
Family Nurse Practitioner

Flor Vasquez Rivera, APRN, FNP-BC

Preventive health and chronic disease management.

Flor Vasquez Rivera is a Board-Certified Family Nurse Practitioner with over 8 years of experience in family, internal, and pulmonary medicine. She is dedicated to providing compassionate, patient-centered care with a focus on preventive health and chronic disease management.

Ms. Flor values building strong relationships with her patients through empathy, attentive listening, and collaboration. She graduated from The University of Texas Health Science Center in Houston, Texas.