Diane M. Van Gerwen, MD

Medicare activity in 2024

Official CMS public-use data for Diane M. Van Gerwen, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)101 services
2. Hospital discharge day management, more than 30 minutes (99239)60 services
3. Critical care, first 30-74 minutes (99291)60 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)45 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)14 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%
• Diabetes53%
• Heart failure50%
• Chronic kidney disease43%
• Ischemic heart disease40%

Hospitals where Diane M. Van Gerwen works

Medicare's Facility Affiliation Data lists Diane M. Van Gerwen 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.

• Ochsner Medical Center AcuteNew Orleans, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190036

Practice locations

Addresses where Diane M. Van Gerwen is enrolled with Medicare (CMS data updated October 2, 2026).

• 180 W Esplanade AveKenner, LA 70065 (504) 468‑8600
• 2500 Belle Chasse HwyTerrytown, LA 70056 (504) 392‑3131

Group practices

Medicare enrollment lists Diane M. Van Gerwen as a member of this group (CMS data updated October 2, 2026).

• Belle Chasse Physician Services LLC262 clinicians in the group

Specialties

• Hospitalistprimary

Find other Hospitalist doctors in Louisiana →

Other hospitalists in Louisiana

Clinicians with the same Medicare primary specialty in Louisiana — not a recommendation.

• Heather Kahn, MD
• Ethan A. Rosenblatt, MD
• Bradford W. Calvit, MD
• Huley Dru S. Dickert, MD
• Stephanie M. Vick, MD
• Rajiv Doddamani, MD
• Amanda L. Marshall, MD
• Jose L. Aguayo Herrera, MD

All hospitalists in Louisiana →

Other clinicians in Belle Chasse Physician Services LLC

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

• Gerri Mack, NP
• Arup K. Nath, DO
• Aya A. Al-Abduladheem, MD
• Huley Dru S. Dickert, MD
• Ansam J. Isaid, PA
• Alisha M. Lacour, MD

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