Marco A. Lopez-Vizcarra, MD

Medicare activity in 2024

Official CMS public-use data for Marco A. Lopez-Vizcarra, 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 moderate level of decision making, if using time, 30 minutes or more (99214)48 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)37 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 pressure73%
• High cholesterol73%
• Arthritis45%
• Diabetes35%
• Anxiety32%
• Depression30%

Practice locations

Addresses where Marco A. Lopez-Vizcarra is enrolled with Medicare (CMS data updated October 2, 2026).

• 26991 Crown Valley Pkwy, Suite 100Mission Viejo, CA 92691 (949) 582‑5430

Group practices

Medicare enrollment lists Marco A. Lopez-Vizcarra as a member of this group (CMS data updated October 2, 2026).

• Healthcare Partners Affiliates Medical Group754 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in California →

Other neurologists in Mission Viejo

Clinicians with the same Medicare primary specialty in Mission Viejo, CA — not a recommendation.

• Samuel Y. Frank, MD
• Alireza Bozorgi, MD
• Nirav Shah, MD
• Theodore M. Teacher, MD
• Golshan Fahimi, MD
• Eleonora S. Spokoyny, MD

All neurologists in Mission Viejo →

Other clinicians in Healthcare Partners Affiliates Medical Group

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

• Linda H. Lam, MD
• Jill B. Samovar, MD
• Shangida Ahsan, MD
• Lesley L. Po, MD
• Joseph M. Nussbaum, MD
• Yong Sik Kim, 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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
4. Medicare Care Compare — official Medicare tool to look up clinicians