Yong H. Park, MD

Medicare activity in 2024

Official CMS public-use data for Yong H. Park, 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. X-ray of chest, 1 view (71045)305 services
2. Ct scan head or brain without contrast (70450)100 services
3. Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)69 services
4. Ct scan of abdomen and pelvis with contrast (74177)64 services
5. Ultrasonic guidance for blood vessel access (76937)62 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%
• Diabetes63%
• Arthritis52%
• Chronic kidney disease51%
• Heart failure46%

Hospitals where Yong H. Park works

Medicare's Facility Affiliation Data lists Yong H. Park 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.

• PIH Health Downey HospitalDowney, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050393
• PIH Health Good Samaritan HospitalLos Angeles, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050471
• PIH Health Hospital-WhittierWhittier, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050169

Practice locations

Addresses where Yong H. Park is enrolled with Medicare (CMS data updated October 2, 2026).

• 12401 Washington BlvdWhittier, CA 90602 (562) 698‑0611

Group practices

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

• Lambert Radiology Medical Group Inc67 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in Whittier

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

• Phoebe Ann, MD
• Joshua J. Reicher, MD
• Yehia Elguindy, MD
• Chad S. Wilcox, MD
• Charles R. Hughes, MD
• Andrew V. Barger, MD
• Shao-Pow Lin
• Dennis Boparai, MD

All radiologists in Whittier →

Other clinicians in Lambert Radiology Medical Group Inc

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

• Phoebe Ann, MD
• Tyler Coupal
• Michael J. Hsu, MD
• Dennis Boparai, MD
• Brittany Geronimo, PA
• Matthew K. Walsworth, 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