Ji Ren Tan, MD

Medicare activity in 2024

Official CMS public-use data for Ji Ren Tan, 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. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)35 services
2. Anesthesia for other procedure on upper abdomen (00790)14 services
3. Anesthesia for other procedure on lower leg, ankle, and foot bones (01480)13 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%
• Arthritis56%
• Diabetes44%
• Chronic kidney disease41%
• Ischemic heart disease35%

Hospitals where Ji Ren Tan works

Medicare's Facility Affiliation Data lists Ji Ren Tan 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.

• Mercy San Juan Medical CenterCarmichael, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050516

Practice locations

Addresses where Ji Ren Tan is enrolled with Medicare (CMS data updated October 2, 2026).

• 6501 Coyle AveCarmichael, CA 95608 (916) 851‑2884

Group practices

Medicare enrollment lists Ji Ren Tan as a member of this group (CMS data updated October 2, 2026).

• Metropolitan Anesthesiology Consultants a Medical Group Inc23 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in Carmichael

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

• Ashutosh H. Udipi, MD
• Patrick Isola, MD
• An V. Ly, MD
• Harjinder S. Dhaliwal, MD
• Gudrun Kungys, MD
• Bea Kandra, MD
• James R. Cooney
• Steven T. Kimball, MD

All anesthesiologists in Carmichael →

Other clinicians in Metropolitan Anesthesiology Consultants a Medical Group Inc

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

• Harmanjeet Dhaliwal, MD
• Ashutosh H. Udipi, MD
• Patrick Isola, MD
• Steven T. Kimball, MD
• John T. Waring, MD
• Kristen Pruitt, DO

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