Alex G. Ortega Loayza, MD

Medicare activity in 2024

Official CMS public-use data for Alex G. Ortega Loayza, 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. Destruction of precancer skin growth, 2-14 growths (17003)205 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)176 services
3. Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes (99451)138 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)96 services
5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)62 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 pressure59%
• High cholesterol53%
• Arthritis43%
• Depression23%
• Anxiety23%
• Ischemic heart disease22%

Hospitals where Alex G. Ortega Loayza works

Medicare's Facility Affiliation Data lists Alex G. Ortega Loayza 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.

• OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380009
• Samaritan North Lincoln HospitalLincoln City, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381302

Practice locations

Addresses where Alex G. Ortega Loayza is enrolled with Medicare (CMS data updated October 2, 2026).

• 3181 SW Sam Jackson Park RdPortland, OR 97239 (503) 494‑8311

Group practices

Medicare enrollment lists Alex G. Ortega Loayza as a member of this group (CMS data updated October 2, 2026).

• University Professional Services1,724 clinicians in the group

Specialties

• Dermatologyprimary

Find other Dermatology doctors in Oregon →

Other dermatologists in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

• Anna Q. Hare, MD
• Gefei A. Zhu, MD
• Elizabeth Berry, MD
• Tamar T. Hajar, MD
• Nirav Patel, MD
• Claudia P. Taylor, MD
• Sabra L. Leitenberger, MD
• Amanda J. Pickert, MD

All dermatologists in Portland →

Other clinicians in University Professional Services

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

• Angela E. Alday, MD
• Amanda Reynholds, PA
• Jane G. Payne, MD
• Christina E. Milano, MD
• Katherine Lyons, MD
• Obert Xu, 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