Doctor profile · Federal record

Dr. Ronald Leblanc, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Slidell, LA

  • NPI 1124183439
  • Accepts Medicare
  • 46 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1120 Robert Blvd, Suite 200
Slidell, LA 70458
(985) 646-2411
fax (985) 646-2413
Mailing address
1120 Robert Blvd Ste 200
Slidell, LA 704582069

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
January 22, 2020
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Louisiana #06459R · Mississippi #09146
Medicaid (2)
MS #00116306 · LA #1367044

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124183439. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
991
Distinct HCPCS
5
Medicare allowed
$117,007
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 670 340 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 153 61 $85
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 72 30 $114
99204 New patient office or other outpatient visit, 45-59 minutes 51 51 $157
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 45 36 $167

In context: peer comparison

Among 5 peers in Slidell Hematology & Oncology Physician, average services per provider: 99. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,712
Transactions
41
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 7 $180.89
Astellas Pharma US INC 4 $180.81
AstraZeneca Pharmaceuticals Lp 4 $165.29
BeiGene USA, INC. 2 $147.81
Ipsen Biopharmaceuticals, INC 1 $142.44
Adaptive Biotechnologies Corporation 1 $136.71
Coherus Biosciences INC. 1 $127.19
Novartis Pharmaceuticals Corporation 5 $81.86
Daiichi Sankyo INC. 3 $69.49
Gilead Sciences, INC. 2 $69.40
SpringWorks Therapeutics, INC. 1 $67.41
E.R. Squibb & Sons, L.L.C. 4 $66.94
Celgene Corporation 3 $48.04
Lilly USA, LLC 2 $41.04
Genzyme Corporation 1 $36.70

By nature of payment

Food and Beverage
$1,712

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,123
Patients
236
Total drug cost
$204,885
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 218 37 $6,273
Eliquis (Apixaban) Brand 119 30 $96,577
Anastrozole Generic 113 30 $1,261
Alprazolam Generic 112 23 $285
Xarelto (Rivaroxaban) Brand 84 19 $82,431
Gabapentin Generic 65 13 $765
Oxycodone Hcl Generic 54 12 $1,052
Hydroxyurea Generic 53 11 $1,017
Lorazepam Generic 49 0 $118
Duloxetine Hcl Generic 48 0 $342

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Leblanc's medical specialty?
Dr. Ronald Leblanc practices Hematology & Oncology Physician in Slidell, LA.
Where does Dr. Ronald Leblanc practice?
Dr. Ronald Leblanc practices at 1120 Robert Blvd, Slidell, LA 70458. Office phone: 9856462411.
What is Dr. Ronald Leblanc's NPI?
Dr. Ronald Leblanc's National Provider Identifier (NPI) is 1124183439, issued by NPPES.
Does Dr. Ronald Leblanc accept Medicare assignment?
Yes. Dr. Ronald Leblanc accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Leblanc commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.