Hung Kang H. Ou, MD

Medicare activity in 2024

Official CMS public-use data for Hung Kang H. Ou, 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 low level od decision making, if using time, 20 minutes or more (99213)452 services
2. Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic (G2012)211 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)87 services
4. Insertion of needle into vein for collection of blood sample (36415)27 services
5. Influenza vaccine split virus, preservative free (90662)17 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 cholesterol71%
• High blood pressure67%
• Diabetes47%
• Arthritis39%
• Ischemic heart disease18%
• Chronic kidney disease18%

Hospitals where Hung Kang H. Ou works

Medicare's Facility Affiliation Data lists Hung Kang H. Ou 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.

• Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050231

Practice locations

Addresses where Hung Kang H. Ou is enrolled with Medicare (CMS data updated October 2, 2026).

• 4195 Chino Hills Pkwy, Suite HChino Hills, CA 91709 (909) 597‑7817
• 5562 Philadelphia St, Suite 101Chino, CA 91710 (909) 464‑9090

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Chino Hills

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

• Tat M. Lam, MD
• Rainbow Chung-Ou, MD
• Allan L. Chan, MD
• Hanh H. Larson, DO
• Tiffany L. Anderson Terrell, DO
• Benny J. Guzman, MD
• Carlos A. Baez, MD
• Jesse Cheung, MD

All family doctors in Chino Hills →

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