Kenneth H. Jahng, MD

Medicare activity in 2024

Official CMS public-use data for Kenneth H. Jahng, 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. Injection, methylprednisolone acetate, 1 mg (J1010)4,603 services
2. X-ray of knee, 4 or more views (73564)179 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)153 services
4. Aspiration and/or injection of fluid from large joint (20610)122 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)99 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%
• Arthritis75%
• Diabetes46%
• Chronic kidney disease29%
• Ischemic heart disease23%

Hospitals where Kenneth H. Jahng works

Medicare's Facility Affiliation Data lists Kenneth H. Jahng 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.

• Arrowhead Regional Medical CenterColton, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050245
• 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 Kenneth H. Jahng is enrolled with Medicare (CMS data updated October 2, 2026).

• 2131 Elks Dr, 201 Arrowhead OrthopaedicsSan Bernardino, CA 92404 (909) 726‑6100
• 8805 Haven Ave, Suite 200Rancho Cucamonga, CA 91730 (909) 912‑1750

Group practices

Medicare enrollment lists Kenneth H. Jahng as a member of this group (CMS data updated October 2, 2026).

• San Bernardino Medical Orthopaedic Group Inc91 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in California

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

• Lawrence R. Walker, MD
• Tyler T. Bilden, MD
• Allen L. Hershey, MD
• Amir H. Goodarzi Babhadi, MD
• Stephen L. Tocci, MD
• Richard A. Biama, MD
• Edward C. Sun, MD
• Timothy F. Reed, MD

All orthopedic surgeons in California →

Other clinicians in San Bernardino Medical Orthopaedic Group Inc

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

• Peter Elsissy, MD
• Willie H. Lin, OT
• Malisha J. Patel, PA
• Trenton J. Shumway, PT
• Jason C. Chan, MD
• Christopher T. Lebrun, 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