Doctor profile · Federal record

Dr. Allen Calabresi, MD

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

  • NPI 1043375363
  • Accepts Medicare
  • 31 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
1995 — 31 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Louisiana #022569 · Mississippi #17437
Medicaid (2)
MS #04659300 · LA #1483401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043375363. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,369
Distinct HCPCS
7
Medicare allowed
$152,085
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 687 261 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 442 260 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 92 34 $114
99215 Established patient office or other outpatient visit, 40-54 minutes 50 50 $169
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 40 27 $167
99203 New patient office or other outpatient visit, 30-44 minutes 32 32 $106
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $157

In context: peer comparison

Among 5 peers in Slidell Hematology & Oncology Physician, average services per provider: 99. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$660
Transactions
29
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 4 $61.09
AstraZeneca Pharmaceuticals Lp 3 $57.64
Astellas Pharma US INC 2 $55.95
Abbvie INC. 3 $50.46
Celgene Corporation 3 $48.04
Daiichi Sankyo INC. 2 $44.23
Pfizer INC. 2 $44.00
Lilly USA, LLC 2 $41.04
Janssen Biotech, INC. 2 $36.92
Takeda Pharmaceuticals U.S.A., INC. 1 $34.26
Adaptive Biotechnologies Corporation 1 $29.50
Progenics Pharmaceuticals, INC. 1 $22.73
Sobi, INC 1 $20.47
Bayer Healthcare Pharmaceuticals INC. 1 $18.22
Merck Sharp & Dohme LLC 1 $17.71

By nature of payment

Food and Beverage
$660

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
624
Patients
189
Total drug cost
$149,102
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 143 45 $112,873
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 75 22 $3,038
Anastrozole Generic 51 22 $917
Oxycodone Hcl Generic 48 11 $1,020
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 45 19 $1,487
Tamoxifen Citrate Generic 45 17 $1,106
Warfarin Sodium Generic 45 15 $466
Promethazine Hcl Generic 29 0 $146
Fentanyl Generic 27 14 $2,190
Xarelto (Rivaroxaban) Brand 26 0 $24,672

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allen Calabresi's medical specialty?
Dr. Allen Calabresi practices Hematology & Oncology Physician in Slidell, LA.
Where does Dr. Allen Calabresi practice?
Dr. Allen Calabresi practices at 1120 Robert Blvd, Slidell, LA 70458. Office phone: 9856462411.
What is Dr. Allen Calabresi's NPI?
Dr. Allen Calabresi's National Provider Identifier (NPI) is 1043375363, issued by NPPES.
Does Dr. Allen Calabresi accept Medicare assignment?
Yes. Dr. Allen Calabresi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allen Calabresi 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.