Veronica Zamora-Olivencia, MD

Medicare activity in 2024

Official CMS public-use data for Veronica Zamora-Olivencia, 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. Insertion of needle into vein for collection of blood sample (36415)254 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)254 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)233 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)159 services
5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)88 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%
• Chronic kidney disease75%
• Diabetes57%
• Ischemic heart disease53%
• Heart failure46%

Hospitals where Veronica Zamora-Olivencia works

Medicare's Facility Affiliation Data lists Veronica Zamora-Olivencia 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 Lake Forest HospitalLake Forest, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140130
• Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
• Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140116
• Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281
• Palos Community HospitalPalos Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140062

Practice locations

Addresses where Veronica Zamora-Olivencia is enrolled with Medicare (CMS data updated October 2, 2026).

• 675 N St Clair, 250 Dept EndocrinologyChicago, IL 60611 (312) 695‑7970

Group practices

Medicare enrollment lists Veronica Zamora-Olivencia as a member of this group (CMS data updated October 2, 2026).

• Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in Illinois →

Other nephrologists in Chicago

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

• Maria L. Safar Boueri, MD
• Vikram Aggarwal, MD
• Benjamin S. Ko, MD
• Mary S. Hammes, DO
• Paru P. Kathpalia, MD
• Stephen M. Korbet, MD
• Sook Hyeon Park, MD
• Susan E. Quaggin, MD

All nephrologists in Chicago →

Other clinicians in Northwestern Medical Faculty Foundation

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

• Matthew R. Hill, MD
• Brian Bond, PA
• Bradley R. Merk, MD
• Jackson T. Knappen, MD
• Katherine E. Heideman
• Archana Shrivastava, 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