Allen R. Calabresi, MD
Hematology & Oncology Physician · Slidell, LA
Allen R. Calabresi, MD is a hematology & oncology physician with a practice address in Slidell, Louisiana, and NPI 1043375363, issued on Dec 27, 2006. Check the license (Louisiana 022569, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Allen R. Calabresi
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 022569 LA
17437 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1120 Robert Blvd, Slidell, LA 70458
- Phone
- (985) 646-2411
- Enumerated
- Dec 27, 2006
- Record last updated
- Jan 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (985) 646-2413
- Medicaid IDs
- 04659300 MS
1483401 LA - Medicare enrollment
- Enrolled (PECOS I20100817001142); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 1995
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 188 in Louisiana → Look up another NPI →
Also registered at 1120 Robert Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Boyte, FNP-CFamily Nurse Practitioner1750756367
- Madeleine CarriereRegistered Dietitian1780400598
- Aurash Khoobehi, MDHematology & Oncology Physician1548535883
- Ronald Leblanc, MDHematology & Oncology Physician1124183439
- Courtney Rasa, FNP-CHematology & Oncology Physician1811839335
- Sumathi Smith, M.D.Hematology & Oncology Physician1932189016
Verify Allen R. Calabresi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 022569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average hematology & oncology physician in 2024
972 Medicare Part D claims for 249 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 128 claims were for opioids.
Most prescribed
- Eliquis177 claims
- Warfarin Sodium79 claims
- Anastrozole53 claims
- Abiraterone Acetate49 claims
- Xarelto46 claims
- Hydrocodone-Acetaminophen40 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $660.36
34 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ochsner Clinic LLCSlidell, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allen R. Calabresi among 188 hematology & oncology physician records in Louisiana
Allen R. Calabresi, MD is one of 188 hematology & oncology physician records with a practice address in Louisiana. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 51% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1995 · median 2005 among the 144 with a school on file
- Record last updated2020 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Louisiana
There are 188 hematology & oncology physician records in Louisiana.
All 188 in Louisiana → Every provider in Slidell → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Aurash Khoobehi, MDSlidell, LA 704581548535883
- Ronald Leblanc, MDSlidell, LA 704581124183439
- Matthew McElveen, MDSlidell, LA 704581245395573
- Courtney Rasa, FNP-CSlidell, LA 704581811839335
- Sumathi Smith, M.D.Slidell, LA 704581932189016
- Shaun Xiao, DOSlidell, LA 704581063726206
- Jose Lefran, M.DSlidell, LA 704611750437216
- Catherine McCormick, MDIndependence, LA 704431548225865
Common questions
What is Allen R. Calabresi, MD's NPI number?
Allen R. Calabresi, MD's National Provider Identifier (NPI) is 1043375363, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Allen R. Calabresi, MD located?
The NPPES record lists a practice address at 1120 Robert Blvd, Slidell, LA, 70458. Phone: (985) 646-2411. Providers update this record themselves, so call before visiting.
How can I verify Allen R. Calabresi, MD's license?
NPPES lists Louisiana license number 022569, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Allen R. Calabresi, MD prescribe under Medicare Part D?
In 2024, Allen R. Calabresi, MD had 972 Medicare Part D claims for 249 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.