Summary

Dr. Guillaume graduated from the Universite Detat Dhaiti Faculte De Medecine Et De Pharmacie in 1978. He works in Bossier City, LA and specializes in Psychiatry and Addiction Medicine. Dr. Guillaume is affiliated with Springhill Medical Center and Intensive Specialty Hospital.

Quick Facts

  • accepting new patients
  • 3.1
  • 48 years of experience
  • speaks Spanish, French
  • Charity Hospital
  • 4 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. Lionel Guillaume has 2 locations

Guillaume Lionel Office

3018 Old Minden Rd Ste 1212Bossier City, LA 71112
Mon9:00 am - 6:00 pm
Tue9:00 am - 6:00 pm
Wed9:00 am - 6:00 pm
Thu9:00 am - 6:00 pm
Fri9:00 am - 6:00 pm
SatClosed
SunClosed

Intensive Specialty Hospital

2525 Viking DrBossier City, LA 71111

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Dr. Lionel Guillaume, MDLatoya Nicole Mason, MSN, APRN, PMHNP-BCDr. Karina Fatova, MDDr. Felix Aron Geller, MD
PsychiatryPsychiatryPsychiatryPsychiatry
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.1 
3.7 
48 Years of Experience 3 Years of Experience 12 Years of Experience 19 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, French Speaks English Speaks English Speaks English
Bossier City , LAPrairieville , LAMetairie , LAToms River , NJ
Med School: Universite Detat Dhaiti Faculte De Medecine Et De Pharmacie Med School: Nicholls State University Med School: Albert Einstein College of Medicine of Yeshiva University Med School: American University Of The Caribbean School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Lionel Guillaume

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Lionel Guillaume has the following 2 specialties

Specialty Expertise

Dr. Lionel Guillaume has the following 14 areas of expertise

  • Addiction Medicine
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Bipolar Disorder
  • Clinical Depression
  • Depression
  • Depressive Disorder
  • Insomnia
  • Manic Depressive Disorder
  • Mental Illness
  • Mood Disorders
  • Personality Disorder
  • Schizophrenia
  • Sleep Disorders

Certifications, License, & Education

48 Years Experience

Dr. Lionel Guillaume holds an expired medical license in the state of Louisiana.

Medical License

Medical Doctor with an expired medical license in the state of Louisiana that expired in 2026.

Education & Training

Residency

Completed their residency at Charity Hospital.

Medical School

Graduated from Universite Detat Dhaiti Faculte De Medecine Et De Pharmacie in 1978.

NPI Number

Dr. Guillaume's NPI number is 1619946001.

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Frequently Asked Questions

What languages does Dr. Lionel Guillaume speak?
Dr. Lionel Guillaume speaks Spanish and French.
How can I make an appointment with Dr. Lionel Guillaume?
You can find contact information for Dr. Lionel Guillaume here on Vitals.
Does Dr. Lionel Guillaume accept my insurance?
You can see the insurance plans that Dr. Lionel Guillaume accepts on their Vitals profile.
Where is Dr. Lionel Guillaume's office located?
Dr. Lionel Guillaume's office is located at 3018 Old Minden Rd Ste 1212, Bossier City, LA, 71112.
Does Dr. Lionel Guillaume accept virtual/telehealth appointments?
Dr. Lionel Guillaume has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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