Hongguang Liu, MD

Medicare activity in 2024

Official CMS public-use data for Hongguang Liu, 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. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)259 services
2. Biopsy of large bowel using a flexible endoscope (45380)184 services
3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)131 services
4. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)93 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)63 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 cholesterol75%
• High blood pressure67%
• Arthritis38%
• Diabetes31%
• Anxiety22%
• Depression21%

Hospitals where Hongguang Liu works

Medicare's Facility Affiliation Data lists Hongguang Liu 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.

• Hazel Hawkins Memorial HospitalHollister, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051337
• Mercy Medical Center ReddingRedding, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050280

Practice locations

Addresses where Hongguang Liu is enrolled with Medicare (CMS data updated October 2, 2026).

• 2147 Court StRedding, CA 96001 (530) 338‑2406
• 911 Sunset DrHollister, CA 95023

Group practices

Medicare enrollment lists Hongguang Liu as a member of this group (CMS data updated October 2, 2026).

• Hazel Hawkins Memorial Hospital52 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in California →

Other gastroenterologists in Redding

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

• Prathibha Chandrasekaran, MD
• Bret N. Namihas, MD
• Piyush K. Dhanuka, MD
• Paul J. Spinka, MD
• Paramvir Singh, MD
• Leo E. Eickhoff, MD

All gastroenterologists in Redding →

Other clinicians in Hazel Hawkins Memorial Hospital

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

• Carol T. Mei, MD
• Vanessa R. Bojorques, PA
• Sarathy T. Mandayam, MD
• Lorilee S. Sutter, MD
• Dennis Phan, MD
• Joaquin R. Charles, 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