Mary A. Endo, MD

Medicare activity in 2024

Official CMS public-use data for Mary A. Endo, 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. X-ray of chest, 1 view (71045)31 services
2. Limited ultrasound scan of abdomen (76705)18 services
3. X-ray of chest, 2 views (71046)11 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 pressure69%
• High cholesterol66%
• Diabetes43%
• Depression36%
• Arthritis33%
• Chronic kidney disease29%

Hospitals where Mary A. Endo works

Medicare's Facility Affiliation Data lists Mary A. Endo 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.

• Kaiser Foundation Hospital - San DiegoSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050515
• Kaiser Foundation Hospital - San MarcosSan Marcos, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050855

Practice locations

Addresses where Mary A. Endo is enrolled with Medicare (CMS data updated October 2, 2026).

• 360 Rush DrSan Marcos, CA 92078 (833) 574‑2273
• 4647 Zion AveSan Diego, CA 92120 (619) 528‑5000
• 9455 Clairemont Mesa BlvdSan Diego, CA 92123 (858) 573‑1504

Group practices

Medicare enrollment lists Mary A. Endo as a member of this group (CMS data updated October 2, 2026).

• Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in San Marcos

Clinicians with the same Medicare primary specialty in San Marcos, CA — not a recommendation.

• Scott E. Cramer, MD
• Amit P. Balgude, MD
• Jong H. Yun, MD
• Ifeanyi C. Onyeacholem, MD
• Maison L. Chen, MD
• Asako Miyakoshi, MD
• Eric J. Jordan, MD
• Christopher J. Starr, MD

All radiologists in San Marcos →

Other clinicians in Southern California Permanente Medical Group

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

• Victor Y. Wong, MD
• Libby Motta
• Ani Galfayan, MD
• Daniel T. Bouland, MD
• Visna Roshanzadeh, MD
• Showshan Yang, 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