Alexis M. Bayudan, MD

Medicare activity in 2024

Official CMS public-use data for Alexis M. Bayudan, 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. Pathology examination of tissue using a microscope, intermediate complexity (88305)138 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)95 services
3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)45 services
4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)29 services
5. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)25 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 pressure74%
• Diabetes44%
• Arthritis28%
• Ischemic heart disease25%
• Chronic kidney disease24%

Hospitals where Alexis M. Bayudan works

Medicare's Facility Affiliation Data lists Alexis M. Bayudan 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.

• El Camino HealthMountain View, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050308
• Good Samaritan HospitalSan Jose, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050380
• Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050038

Practice locations

Addresses where Alexis M. Bayudan is enrolled with Medicare (CMS data updated October 2, 2026).

• 2331 Montpelier Dr, Suite BSan Jose, CA 95116 (408) 347‑9001

Group practices

Medicare enrollment lists Alexis M. Bayudan as a member of this group (CMS data updated October 2, 2026).

• San Jose Gastroenterology, Inc.11 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in California →

Other gastroenterologists in San Jose

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

• Brian S. Levitt, MD
• David Lin, MD
• Maen M. Masadeh, MD
• Geeta R. Kutty, MD
• Tahereh Ghaziani, MD
• Alice L. Yang, MD
• Gurpreet K. Rihal, MD
• Elizabeth W. Hwang, MD

All gastroenterologists in San Jose →

Other clinicians in San Jose Gastroenterology, Inc.

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

• Brian S. Levitt, MD
• Geeta R. Kutty, MD
• Morgan Wong, DO
• Jenny D. Yang, MD
• Eugenie Shieh, MD
• Treta P. Goyal, 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