Salim M. Shelby, MD

Medicare activity in 2024

Official CMS public-use data for Salim M. Shelby, 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. Removal of large bowel tissue using a flexible endoscope (45390)454 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)448 services
3. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)441 services
4. Biopsy of small bowel (except ileum) using an endoscope (44361)416 services
5. Biopsy of large bowel using a flexible endoscope (45380)335 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 pressure59%
• Arthritis37%
• Ischemic heart disease18%
• Diabetes17%
• Osteoporosis16%

Hospitals where Salim M. Shelby works

Medicare's Facility Affiliation Data lists Salim M. Shelby 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.

• John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050180
• San Ramon Regional Medical CenterSan Ramon, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050689

Practice locations

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

• 1320 El Capitan Dr, Suite 110Danville, CA 94526 (925) 232‑0090
• 1505 Saint Alphonsus WayAlamo, CA 94507 (925) 932‑6330
• 2637 Shadelands DrWalnut Creek, CA 94598
• 4165 Blackhawk Plaza Cir, Suite 100Danville, CA 94506 (925) 736‑7070

Group practices

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

• Bass Medical Group291 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in California →

Other gastroenterologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Priyam V. Tripathi, MD
• Abhinav Koul, MD
• Shashank Vemala, MD
• Mahendra Patel, MD
• Susan K. Chu, MD
• Ju En C. Thlick, MD
• Dennis S. Riff, MD
• David J. Kaufman, DO

All gastroenterologists in California →

Other clinicians in Bass Medical Group

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

• Chim Yang, DO
• Rafael F. Diaz Flores, MD
• Soochuen Kho, MD
• Konark Sharma, MD
• Siddhartha Agrawal, MD
• Kyle R. Hannabass, 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