4.3
18 Ratings with 4 written Reviews
Summary
Dr. William Tsai has practiced family medicine for 30 years and sees patients in Upland, California. He treats hypertension and hypertensive emergency, and performs health risk assessments and alcohol use disorder screening. He speaks English and Spanish. Dr. Tsai earned his medical degree from Western University Health Sciences College of Osteopathic Medicine of the Pacific.
Overview based on verified provider data
Quick Facts
- 30 years of experience
- 75 insurance plans accepted
- speaks English, Spanish
- Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific
- 4 written reviews
- 1 specialty
- 7 areas of expertise
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. William T Tsai has 2 locationsTsai William T Office
510 N 13th Ave Ste 101Upland, CA 91786 Tel: (909) 985-8838
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. William T Tsai | Michael Benavidez, DO | Dr. Sreedhar Chava, MD | Dr. Howard Pyo, DO |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 30 Years of Experience | 34 Years of Experience | 10 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English, Spanish | Speaks English, Telugu | Speaks English |
| Upland , CA | Upland , CA | El Monte , CA | Fullerton , CA |
| Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific | Med School: Western University of Health Sciences | Med School: Lake Erie College Of Osteopathic Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. William T Tsai
Medical Specialties
Dr. William T Tsai has the following specialty
Specialty Expertise
Dr. William T Tsai has the following 7 areas of expertise
Certifications, License, & Education
30 Years Experience
Dr. William T Tsai holds an expired medical license in the state of California.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of California that expired in 2026.
Education & Training
Medical School
Graduated from Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific in 1996.
NPI Number
Dr. Tsai's NPI number is 1285620443.
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Frequently Asked Questions
- Is Dr. William Tsai accepting new patients?
- Dr. William Tsai has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. William Tsai accept my insurance?
- You can see the insurance plans that Dr. William Tsai accepts on their Vitals profile.
- How can I make an appointment with Dr. William Tsai?
- You can find contact information for Dr. William Tsai here on Vitals.
- Does Dr. William Tsai accept virtual/telehealth appointments?
- Dr. William Tsai has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. William Tsai's office located?
- Dr. William Tsai's office is located at 510 N 13th Ave Ste 101, Upland, CA, 91786.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
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