Jeannette S. Benjamin, MD

Medicare activity in 2024

Official CMS public-use data for Jeannette S. Benjamin, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)199 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)95 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)53 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)49 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%
• Arthritis41%
• Chronic kidney disease27%
• Diabetes25%
• Ischemic heart disease14%

Hospitals where Jeannette S. Benjamin works

Medicare's Facility Affiliation Data lists Jeannette S. Benjamin 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.

• San Antonio Regional HospitalUpland, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050099

Practice locations

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

• 811 E 11th St, Suite 101Upland, CA 91786 (909) 981‑5970

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Upland

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

• Nahel Al Bouz, MD
• Brandon Tong, DO
• Azhar Majeed, MD
• Sarina H. Kular, MD
• Ghassan E. Hadi, MD
• Akhenaton A. Pappoe, MD
• Tejinder Singh, MD
• Jalal Badday, MD

All internal medicine doctors in Upland →

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