Doctor profile · Federal record

Dr. Matthew McElveen, MD

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

  • NPI 1245395573
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1120 Robert Blvd Ste 390
Slidell, LA 704582069
(985) 646-2411
fax (985) 646-2413

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
March 14, 2022
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Louisiana #024947 · Mississippi #20472
Medicaid
LA #1421456

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245395573. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,056
Distinct HCPCS
10
Medicare allowed
$100,915
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 262 214 $63
99213 Established patient office or other outpatient visit, 20-29 minutes 206 189 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 193 100 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 129 67 $120
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 75 34 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 34 29 $125
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 30 12 $114
99205 New patient office or other outpatient visit, 60-74 minutes 28 28 $174
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $122
99215 Established patient office or other outpatient visit, 40-54 minutes 20 18 $132

In context: peer comparison

Among 5 peers in Slidell Hematology & Oncology Physician, average services per provider: 99. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$483
Transactions
23
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 2 $53.21
Celgene Corporation 3 $48.04
Novartis Pharmaceuticals Corporation 3 $47.47
Genentech USA, INC. 2 $39.45
Lilly USA, LLC 2 $37.79
Abbvie INC. 2 $33.30
Janssen Biotech, INC. 1 $32.33
Eisai INC. 1 $23.38
Pfizer INC. 1 $21.45
Daiichi Sankyo INC. 1 $19.59
Progenics Pharmaceuticals, INC. 1 $18.82
Tempus Ai, INC 1 $17.30
GlaxoSmithKline, LLC. 1 $16.45
Shield Therapeutics INC 1 $15.59
Apellis Pharmaceuticals, INC. 1 $15.40

By nature of payment

Food and Beverage
$483

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
714
Patients
128
Total drug cost
$113,434
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 246 42 $4,616
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 79 11 $1,545
Letrozole Generic 70 30 $1,133
Alprazolam Generic 58 17 $140
Oxycodone Hcl Generic 45 0 $622
Eliquis (Apixaban) Brand 38 15 $34,584
Fentanyl Generic 34 0 $3,486
Prednisone Generic 29 13 $224
Gabapentin Generic 20 0 $133
Tamoxifen Citrate Generic 17 0 $354

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew McElveen's medical specialty?
Dr. Matthew McElveen practices Hematology & Oncology Physician in Slidell, LA.
Where does Dr. Matthew McElveen practice?
Dr. Matthew McElveen practices at 1120 Robert Blvd Ste 390, Slidell, LA 704582069. Office phone: 9856462411.
What is Dr. Matthew McElveen's NPI?
Dr. Matthew McElveen's National Provider Identifier (NPI) is 1245395573, issued by NPPES.
Does Dr. Matthew McElveen accept Medicare assignment?
Yes. Dr. Matthew McElveen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew McElveen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.