Allen R. Calabresi, MD

Medicare activity in 2024

Official CMS public-use data for Allen R. Calabresi, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)736 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)398 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)375 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)294 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)84 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis55%
• Ischemic heart disease42%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)42%
• Diabetes34%

Hospitals where Allen R. Calabresi works

Medicare's Facility Affiliation Data lists Allen R. Calabresi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Highland Community HospitalPicayune, MS · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 250117
• Ochsner Medical Center AcuteNew Orleans, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190036
• Ochsner Medical Center-HancockBay Saint Louis, MS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 250162
• Slidell Memorial HospitalSlidell, LA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 190040
• St Tammany Parish HospitalCovington, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190045

Practice locations

Addresses where Allen R. Calabresi is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Medical Ctr DrSlidell, LA 70461 (985) 646‑5055
• 1001 Gause BlvdSlidell, LA 70458 (985) 646‑5970
• 104 Acadia Park DrRaceland, LA 70394 (985) 537‑3211

Group practices

Medicare enrollment lists Allen R. Calabresi as a member of this group (CMS data updated October 2, 2026).

• Ochsner Clinic LLC2,864 clinicians in the group

Specialties

• Hematology/Oncologyprimary
• Hematologyalso

Find other Hematology/Oncology doctors in Louisiana →

Other hematologist-oncologists in Slidell

Clinicians with the same Medicare primary specialty in Slidell, LA — not a recommendation.

• James Carinder, DO
• Matthew D. McElveen, MD
• Aurash Khoobehi, MD
• Sumathi S. Smith, MD
• Robert W. Veith, MD
• Gordon F. Wadge, MD
• Ronald D. Leblanc, MD
• Kelly D. Pippin, MD

All hematologist-oncologists in Slidell →

Other clinicians in Ochsner Clinic LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Mona Jodari-Karimi, MD
• Debra Tyler, MD
• Shontell Thomas, MD
• Benjamin Boyle, DO
• Elliot T. Ordoyne, MD
• Marley D. Katz, PA

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians