Rajwinder S. Bahia, MD

Medicare activity in 2024

Official CMS public-use data for Rajwinder S. Bahia, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)4,100 services
2. Hospital discharge day management, more than 30 minutes (99239)253 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)184 services
4. Advance care planning, first 30 minutes (99497)61 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)34 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 pressure75%
• High cholesterol75%
• Diabetes65%
• Heart failure60%
• Chronic kidney disease55%
• Ischemic heart disease45%

Hospitals where Rajwinder S. Bahia works

Medicare's Facility Affiliation Data lists Rajwinder S. Bahia 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.

• Dameron HospitalStockton, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050122
• Doctors Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050464
• Memorial Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050557
• Mercy Medical CenterMerced, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050444
• St Joseph's Medical Center of StocktonStockton, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050084

Practice locations

Addresses where Rajwinder S. Bahia is enrolled with Medicare (CMS data updated October 2, 2026).

• 173 E Webster StColusa, CA 95932 (209) 287‑6308
• 333 Mercy AveMerced, CA 95340 (209) 564‑5000

Group practices

Medicare enrollment lists Rajwinder S. Bahia as a member of these groups (CMS data updated October 2, 2026).

• American Specialty Physicians Group Inc100 clinicians in the group
• Merced Hospitalist Medical Group Inc38 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Colusa

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

• Edward Anafi, MD
• Vishnuvardhan R. Komari, MD
• Aaron Park, MD
• Everett Shareck, MD
• Varinderjit Kaur, MD
• Shaninder Kaur, MD
• Radha R. Narra, MD
• Saima Firdoos, MD

All internal medicine doctors in Colusa →

Other clinicians in American Specialty Physicians Group Inc

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

• Michael G. Fraters, MD
• Tanya L. Brown, MD
• Cynthia A. Cellucci-Chwalik, MD
• Hiep P. Bui, NP
• Jeetinder Sohal, MD
• Atul K. Munjal, 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