Marcelina G. Perez, MD

Medicare activity in 2024

Official CMS public-use data for Marcelina G. Perez, 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. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,065 services
2. Injection, gadobutrol, 0.1 ml (A9585)1,730 services
3. Screening 3d breast mammography (77063)198 services
4. Screening mammography (77067)198 services
5. Dxa bone density measurement of hip, pelvis, spine (77080)157 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 cholesterol75%
• High blood pressure66%
• Arthritis53%
• Ischemic heart disease33%
• Osteoporosis33%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)27%

Hospitals where Marcelina G. Perez works

Medicare's Facility Affiliation Data lists Marcelina G. Perez 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.

• Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050624
• Saint John's Health CenterSanta Monica, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050290

Practice locations

Addresses where Marcelina G. Perez is enrolled with Medicare (CMS data updated October 2, 2026).

• 1328 22nd StSanta Monica, CA 90404 (310) 829‑8814
• 2202 Wilshire BlvdSanta Monica, CA 90403 (310) 264‑9000
• 23845 McBean PkwyValencia, CA 91355 (661) 253‑8000
• 23929 McBean Pkwy, Suite 109Valencia, CA 91355 (661) 253‑8705

Group practices

Medicare enrollment lists Marcelina G. Perez as a member of these groups (CMS data updated October 2, 2026).

• Tower Imaging Medical Associates Inc95 clinicians in the group
• Tower Imaging Medical Group Inc32 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in Santa Monica

Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.

• Joseph Lebovic, MD
• Allan Wagman, MD
• Nikhitha Murali, MD
• Kevin B. Hoover, MD
• Sumit Dua, MD
• Richard Goldman, MD
• Bradley A. Jabour, MD
• Thomas H. Dang, DO

All radiologists in Santa Monica →

Other clinicians in Tower Imaging Medical Associates Inc

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

• Branden J. Garcia, MD
• Ian A. Levin, MD
• Charlie Park, MD
• Henry H. Shih, MD
• Lalitha Ramanna, MD
• Vicki L. Schiller, 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