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 French, Spanish
  • Charity Hospital
  • 4 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 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, MD
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Dr. Lionel Guillaume, MDDr. Nzinga Ajabu Harrison, MDJoelle Daigrepont, PMHNP, PMH-CDr. Blanca Osorio Candelaria, MD
PsychiatryPsychiatryPsychiatryPsychiatry
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.1 
4.6 
0 
3.8 
48 Years of Experience 24 Years of Experience 2 Years of Experience 22 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks French, Spanish Speaks English Speaks English Speaks English, Spanish
Bossier City , LADurham , NCBaton Rouge , LASan Francisco , CA
Med School: Universite Detat Dhaiti Faculte De Medecine Et De Pharmacie Med School: Perelman School of Medicine at the University of Pennsylvania Med School: Walden University Med School: University Of Puerto Rico 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

Is Dr. Lionel Guillaume accepting new patients?
Dr. Lionel Guillaume is accepting new patients on Vitals. View Dr. Lionel Guillaume's profile on Vitals to make an appointment.
Does Dr. Lionel Guillaume accept my insurance?
You can see the insurance plans that Dr. Lionel Guillaume accepts on their Vitals profile.
What languages does Dr. Lionel Guillaume speak?
Dr. Lionel Guillaume speaks French and Spanish.
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 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.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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