Doctor profile · Federal record
Dr. Lionel Guillaume, M.D.
Specialist (CMS: Psychiatry) · Psychiatry Physician · Bossier City, LA
- NPI 1619946001
- Accepts Medicare
- 48 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3018 Old Minden RD, Suite 1212
Bossier City, LA 711122495
(318) 747-1665
fax (318) 747-1597
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- September 17, 2021
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Louisiana #017032
- Medicaid
- LA #1343765
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619946001. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,234
Distinct HCPCS
8
Medicare allowed
$100,211
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 584 | 32 | $76 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 341 | 87 | $83 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 119 | 21 | $63 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 67 | 23 | $102 | |
99238 |
Hospital discharge day management, 30 minutes or less | 43 | 33 | $77 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 29 | 23 | $114 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 28 | 16 | $93 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 23 | 23 | $167 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 154. This provider delivers 8.0× the peer median.Open Payments
Industry payments received
All-time total
$70
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 1 | $20.61 | |
| Neurocrine Biosciences, Inc. | 1 | $19.90 | |
| Janssen Pharmaceuticals, Inc | 1 | $15.27 | |
| Otsuka America Pharmaceutical, Inc. | 1 | $14.39 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,353
Patients
423
Total drug cost
$396,481
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Divalproex Sodium | Generic | 313 | 59 | $8,659 |
| Trazodone Hcl | Generic | 263 | 47 | $2,519 |
| Quetiapine Fumarate | Generic | 252 | 41 | $4,823 |
| Risperidone | Generic | 196 | 38 | $3,135 |
| Aripiprazole | Generic | 165 | 31 | $7,052 |
| Lithium Carbonate | Generic | 160 | 31 | $991 |
| Lamotrigine | Generic | 153 | 27 | $1,434 |
| Ziprasidone Hcl | Generic | 147 | 21 | $10,360 |
| Doxepin Hcl | Generic | 123 | 24 | $3,387 |
| Olanzapine | Generic | 111 | 20 | $2,956 |
Hospital affiliations
Frequently asked questions
What is Dr. Lionel Guillaume's medical specialty?
Dr. Lionel Guillaume practices Specialist in Bossier City, LA.
Where does Dr. Lionel Guillaume practice?
Dr. Lionel Guillaume practices at 3018 Old Minden RD, Bossier City, LA 711122495. Office phone: 3187471665.
What is Dr. Lionel Guillaume's NPI?
Dr. Lionel Guillaume's National Provider Identifier (NPI) is 1619946001, issued by NPPES.
Does Dr. Lionel Guillaume accept Medicare assignment?
Yes. Dr. Lionel Guillaume accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lionel Guillaume commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.