Nicole J. Van Groningen, MD

Medicare activity in 2024

Official CMS public-use data for Nicole J. Van Groningen, 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 35 minutes (99232)35 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)18 services
3. Hospital discharge day management, 30 minutes or less (99238)12 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 cholesterol72%
• Diabetes72%
• Ischemic heart disease59%
• Heart failure56%
• Arthritis54%

Hospitals where Nicole J. Van Groningen works

Medicare's Facility Affiliation Data lists Nicole J. Van Groningen 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.

• Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625

Practice locations

Addresses where Nicole J. Van Groningen is enrolled with Medicare (CMS data updated October 2, 2026).

• 8700 Beverly BlvdWest Hollywood, CA 90048 (310) 423‑1447

Group practices

Medicare enrollment lists Nicole J. Van Groningen as a member of this group (CMS data updated October 2, 2026).

• Cedars-Sinai Medical Care Foundation1,692 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in California →

Other hospitalists in West Hollywood

Clinicians with the same Medicare primary specialty in West Hollywood, CA — not a recommendation.

• Kim B. Truong, MD
• David Chen, MD
• Raymond A. Addante, MD
• Prabhu P. Gounder, MD
• Armin Tahoori, MD
• Ryan J. Lee, MD
• Charmaine Reghitto, MD
• Divya Narayanan, MD

All hospitalists in West Hollywood →

Other clinicians in Cedars-Sinai Medical Care Foundation

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

• Kristin Harris, PA
• Rishi N. Gupta, MD
• Mark R. Mangiapane, DO
• Gregory Williams, MD
• Lorraine M. Sdrales, MD
• Meghan C. McCullough, 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