Doctor profile · Federal record

Dr. Leonard Treanor, M.D.

Family Medicine Physician (CMS: Family Practice) · Undersea and Hyperbaric Medicine (Emergency Medicine) Physician · Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · Hospitalist Physician · Hammond, LA

  • NPI 1487823506
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
42388 Pelican Professional Park
Hammond, LA 704032412
(985) 542-6251
fax (985) 345-2386
Mailing address
Po Box 1799
Hammond, LA 704041799

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Profile last updated
April 15, 2020
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Louisiana #203457 · West Virginia #23274
Medicaid (5)
WV #3810012786 · OH #000000255773 · LA #1091804 · KY #7100063680 · OH #2887630

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487823506. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,418
Distinct HCPCS
10
Medicare allowed
$325,706
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 1,436 234 $72
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 476 101 $77
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 451 76 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 268 151 $82
99214 Established patient office or other outpatient visit, 30-39 minutes 231 150 $120
36415 Insertion of needle into vein for collection of blood sample 208 167 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 172 147 $8
80053 Blood test, comprehensive group of blood chemicals 163 133 $10
J1100 Injection, dexamethasone sodium phosphate, 1 mg 155 29 $0
84439 Thyroxine (thyroid chemical), free 140 126 $9

In context: peer comparison

Among 8 peers in this city , average services per provider: 113. This provider delivers 48× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$8,182
Transactions
78
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 13 $6,759.84
Amgen Inc. 23 $317.30
Inari Medical, Inc. 1 $184.88
ABBVIE INC. 8 $168.04
PFIZER INC. 9 $150.39
Alon Medical Technology 1 $97.14
Novo Nordisk Inc 5 $74.04
Otsuka America Pharmaceutical, Inc. 4 $71.29
Corium, LLC 4 $50.67
Salix Pharmaceuticals, a division of Bausch Health US, LLC 3 $43.30
Organogenesis Inc. 2 $42.77
UCB, Inc. 1 $41.03
Axsome Therapeutics, Inc. 1 $30.65
Lundbeck LLC 2 $28.49
Dexcom, Inc. 1 $28.41

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$6,050
Food and Beverage
$2,068
Travel and Lodging
$64

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16,417
Patients
2,492
Total drug cost
$627,215
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,787 248 $20,789
Amlodipine Besylate Generic 1,677 260 $11,545
Pantoprazole Sodium Generic 1,656 267 $22,143
Furosemide Generic 1,265 215 $9,084
Levothyroxine Sodium Generic 1,185 192 $14,268
Gabapentin Generic 1,177 190 $17,385
Eliquis (Apixaban) Brand 1,138 130 $433,321
Trazodone Hcl Generic 996 145 $10,965
Metoprolol Succinate Generic 923 154 $13,685
Potassium Chloride Generic 917 145 $18,995

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leonard Treanor's medical specialty?
Dr. Leonard Treanor practices Family Medicine Physician in Hammond, LA.
Where does Dr. Leonard Treanor practice?
Dr. Leonard Treanor practices at 42388 Pelican Professional Park, Hammond, LA 704032412. Office phone: 9855426251.
What is Dr. Leonard Treanor's NPI?
Dr. Leonard Treanor's National Provider Identifier (NPI) is 1487823506, issued by NPPES.
Does Dr. Leonard Treanor accept Medicare assignment?
Yes. Dr. Leonard Treanor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonard Treanor commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.