Quick answers
- Does Tsz Chuen Chan accept Medicare assignment?
- Yes. Medicare's clinician data says Tsz Chuen Chan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Tsz Chuen Chan see?
- In 2024, CMS data shows 115 Original Medicare patients and 147 services for Tsz Chuen Chan. This counts Original Medicare only and measures volume, not quality.
- What is Tsz Chuen Chan's NPI number?
- 1457679946. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tsz Chuen Chan, 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.
| Original Medicare patients | 115 |
|---|---|
| Services billed to Medicare | 147 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Insertion of artery tube for blood sampling or infusion through skin (36620)14 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%
- Arthritis50%
- Chronic kidney disease43%
- Ischemic heart disease39%
- Diabetes34%
Hospitals where Tsz Chuen Chan works
Medicare's Facility Affiliation Data lists Tsz Chuen Chan 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.
- Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050603
- Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050567
- Providence Saint Joseph Medical CenterBurbank, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050235
- UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348
Practice locations
Addresses where Tsz Chuen Chan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1001 N Tustin AveSanta Ana, CA 92705 (714) 953‑3500
- 101 the City Dr SOrange, CA 92868 (714) 456‑7004
- 24451 Health Ctr DrLaguna Hills, CA 92653 (949) 837‑4500
- 24451 Health Ctr Dr, Suite 104Laguna Hills, CA 92653 (949) 837‑4500
- 27700 Medical Ctr RdMission Viejo, CA 92691 (949) 364‑1400
Group practices
Medicare enrollment lists Tsz Chuen Chan as a member of these groups (CMS data updated October 2, 2026).
- Cep America - Anesthesia PC849 clinicians in the group
- Regents of the University of239 clinicians in the group
- Buena Vista Anesthesia Medical Group51 clinicians in the group
- California Anesthesia Associates Medical Group Inc49 clinicians in the group
- Western Anesthesia Medical Associates Inc49 clinicians in the group
- Anesthesia Associates of Southern California PC18 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Santa Ana
Clinicians with the same Medicare primary specialty in Santa Ana, CA — not a recommendation.
Other clinicians in Cep America - Anesthesia PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457679946 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians