Dr. Tsung Tsai, M.D.
Internal Medicine
52% Complete
Profile completeness
ZIP Healthcare Access Score
Limited Access
ZIP 91761 • D
19+
Years in Practice
Healthcare Access Where Dr. Tsung Tsai Practices
ZIP code 91761 • Ontario, California
Significant gaps exist in healthcare availability for residents of ZIP 91761.
View full Healthcare Access Score report for ZIP 91761Conditions Dr. Tsung Tsai Can Help With
Based on specialty, these are the relevant healthcare access scores for the practice area
Practice Locations
2 locations
About Dr. Tsung Tsai
Tsung Tsai, M.D. is a healthcare provider practicing in Ontario, CA.
Specialty Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
22
Years Experience
2
Locations
2
States Licensed
Credentials & Board Certifications
Additional Specialties
Primary Specialty
Internal MedicineCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Other
Class of 2004
Licenses & Practice States
Licensed in 2 states
| State | License | Classification | Primary |
|---|---|---|---|
| California | A114112 | Internal Medicine | — |
| Ohio | 57.013814 | Student in an Organized Health Care Education/Training Program | — |
| California | A114112 | General Practice |
Public Data Summary for Dr. Tsung Tsai
With 19 years of practice, Dr. Tsung Tsai is an established internal medicine provider, M.D., after earning their medical degree at Other in 2004. Dr. currently practices across 2 facilities, including Southern California Permanente Medical Group in Ontario, California. Their National Provider Identifier (NPI) is 1629250394, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
Dr. Tsung Tsai's practice is located in ZIP 91761 (Ontario, California), which has an overall CartoChrome Healthcare Access Score of 29/100 (Limited Access). Access constraints in this ZIP code can affect wait times, specialist availability, and emergency response — context worth knowing when choosing a provider.
CMS Medicare data shows Dr. Tsung Tsai as a lower-volume internal medicine provider, treating approximately 22 Medicare beneficiaries and delivering 228 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Transparency & Safety
Public records from CMS and OIG databases
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. Tsung Tsai
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0 reviews
Internal Medicine Providers Nearby
Same primary specialty near ZIP 91761
FAQ
Frequently asked questions about Dr. Tsung Tsai
What does Dr. Tsung Tsai specialize in?
Dr. Tsung Tsai specializes in Internal Medicine. Secondary taxonomy filings also list Student In An Organized Health Care Education/training Program and Internal Medicine.
Where does Dr. Tsung Tsai practice?
Dr. Tsung Tsai practices at Southern California Permanente Medical Group in Ontario, California. Dr. is also affiliated with 1 additional facility, listed below.
Does Dr. Tsung Tsai accept Medicare?
Based on CMS records, Dr. Tsung Tsai has not filed a Medicare opt-out affidavit, which means they typically accept Medicare-covered patients. CMS billing data shows 22 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Tsung Tsai's NPI number?
Dr. Tsung Tsai's National Provider Identifier (NPI) is 1629250394. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. Tsung Tsai been practicing?
Dr. Tsung Tsai has approximately 19 years of practice experience, having graduated from Other in 2004.