Ronald S. Kwok, MD

Medicare activity in 2024

Official CMS public-use data for Ronald S. Kwok, 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)223 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)72 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 pressure68%
• High cholesterol57%
• Arthritis37%
• Diabetes30%
• Chronic kidney disease25%
• Ischemic heart disease20%

Hospitals where Ronald S. Kwok works

Medicare's Facility Affiliation Data lists Ronald S. Kwok 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.

• Grossmont HospitalLa Mesa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050026
• Sharp Memorial HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050100

Practice locations

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

• 10670 Wexford StSan Diego, CA 92131 (858) 621‑4002
• 1400 E Palomar StChula Vista, CA 91913 (858) 499‑2600

Group practices

Medicare enrollment lists Ronald S. Kwok as a member of this group (CMS data updated October 2, 2026).

• Sharp Rees-Stealy Medical Group Inc884 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Diego

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

• Mitra Ghafourian, MD
• Ashley G. Manganiello, MD
• Shelese R. Newmark, MD
• Stuart J. Hartman, DO
• Timothy J. O Neill, MD
• Yuk Ching Cecily Chan, DO
• Jonathan T. Semaan, DO
• Dalia Elias, MD

All internal medicine doctors in San Diego →

Other clinicians in Sharp Rees-Stealy Medical Group Inc

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

• Bhakti D. Tantod, MD
• Ashley S. See, PT
• Nenad Milanovic, DPM
• Mark A. Hacholski, MD
• Nicholus Warstadt, MD
• Stewart E. Sanders, PT

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