Laura C. Arneson, MD

Medicare activity in 2024

Official CMS public-use data for Laura C. Arneson, 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. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)14 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)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%
• Arthritis69%
• Diabetes47%
• Ischemic heart disease47%
• Heart failure38%

Hospitals where Laura C. Arneson works

Medicare's Facility Affiliation Data lists Laura C. Arneson 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.

• Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
• Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140211
• Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281

Practice locations

Addresses where Laura C. Arneson is enrolled with Medicare (CMS data updated October 2, 2026).

• 675 N St Clair, 200 Dept of Internal MedChicago, IL 60611 (312) 695‑8630

Group practices

Medicare enrollment lists Laura C. Arneson as a member of this group (CMS data updated October 2, 2026).

• Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

• Rheumatologyprimary
• Internal Medicinealso

Find other Rheumatology doctors in Illinois →

Other rheumatologists in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

• Arthur M. Mandelin Ii
• Huan J. Chang, MD
• Joel A. Block, MD
• Duncan F. Moore, MD
• Andrea Ramirez-Gomez, MD
• Ailda L. Nika, MD
• Robert S. Katz, MD
• Meenakshi Jolly, MD

All rheumatologists in Chicago →

Other clinicians in Northwestern Medical Faculty Foundation

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

• Victoria K. Yeisley
• Elizabeth Zhang, MD
• Jamie L. Richard, MD
• Allen H. Carlins, MD
• Paul A. Ravenna, MD
• Matthew D. Houlihan, DO

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