Dr. William T. Tsai
- Gender: Male
- Experience: 25 years
- Graduation year: 1996
- Sole propriator: No
- NPI: 1285620443
Dr. William T. Tsai D.O.
Family Physician
He is located at 510 North 13th Avenue Suite 101 in Upland, CA 91786. Can help patients with the following: Abdominal Pain, Birth Control Counseling, Fever, General Care, Prenatal Care, Prescription Refill. His National Provider Identifier (NPI) number is 1285620443. Appointment can be made via the phone number (909) 985-8838. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. William Tsai, being an family physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William T. Tsai.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Women's Health
Medicare Enrollment
Dr. William T. Tsai is enrolled to bill Medicare as a Practitioner - Family Practice .
Bills through: William Tsai, D.o., Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| Novo Nordisk | $2011 |
| Sanofi | $707 |
| Boehringer Ingelheim | $506 |
Other
| Food and Beverage | $6602 |
Studies
Graduated in 1996
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Questions & Answers
Has Dr. William Tsai affiliation with hospitals?
Dr. William Tsai is affiliated with SAN ANTONIO REGIONAL HOSPITAL.
Does Dr. William Tsai have affiliation with practices?
Dr. William Tsai is affiliated with William Tsai DO.
What conditions does Dr. William Tsai treat?
Dr. William Tsai provides treatment for Abdominal Pain, Birth Control Counseling, Fever, General Care, Prenatal Care, Prescription Refill. For the full list see this list.
Does Dr. William Tsai accept insurance?
Unfortunately we don't have any information if Dr. William Tsai accepts insurance.
Where can you meet with Dr. William Tsai?
Dr. William Tsai's office is located at 510 North 13th Avenue Suite 101 in Upland, CA 91786.