Quick answers
- Does Chih-Hui Tsai accept Medicare assignment?
- Yes. Medicare's clinician data says Chih-Hui Tsai 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 Chih-Hui Tsai see?
- In 2024, CMS data shows 381 Original Medicare patients and 3,790 services for Chih-Hui Tsai. This counts Original Medicare only and measures volume, not quality.
- What is Chih-Hui Tsai's NPI number?
- 1417271743. 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 Chih-Hui Tsai, 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 | 381 |
|---|---|
| Services billed to Medicare | 3,790 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Removal of fingernails or toenails, 1-5 nails (11720)928 services
- Trimming of dystrophic nails, any number (G0127)897 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)644 services
- Removal of noncancer thickened skin growth, 2-4 growths (11056)439 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)322 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%
- Arthritis64%
- Diabetes44%
- Ischemic heart disease34%
- Chronic kidney disease34%
Hospitals where Chih-Hui Tsai works
Medicare's Facility Affiliation Data lists Chih-Hui Tsai 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.
- 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 Chih-Hui Tsai is enrolled with Medicare (CMS data updated October 2, 2026).
- 4950 San Bernardino St, Suite 209Montclair, CA 91763 (909) 500‑4060
Specialties
- Podiatryprimary
Other podiatrists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | California School Of Podiatric Medicine |
| Graduation year | 2007 (19 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417271743 |
| 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