Wilbert Timothy Tsai, MD
Wilbert Timothy Tsai, MD has been part of the Pomona medical community since 2007 in group practice. He has been in practice for 19+ years. He regularly sees Medicare patients with hypertension, high cholesterol, and diabetes (per CMS claims data).
At a glance
- Prescribes opioids less than 38% of reporting doctors in California
- Uses generic medications more than 34% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 201dNPPES updated 2025-10-17 · verify on CMS
Contact & Location
Practice Location
1900 Royalty Dr Ste 302, Pomona, CA 91767-3032
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better2.11%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-3 pts)
2.11% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better84%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+1.2 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
244
Unique beneficiaries
Standard volumePrescription Recipients
449
Patients prescribed
Prescriptions Written
7,102
Total claims
Total Medicare drug cost: $1.17M
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+14%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+18%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+2%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-4%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-4%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$1.8k received from industry
72 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Wilbert Timothy Tsai's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Oct 16, 2025
CMS-verified certification date
19 years in practice
Experienced
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy: 207Q00000X
Mailing address
1818 N Orange Grove Ave Ste 302, Pomona, CA 91767-3028
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190118
View hospital on Medicare Care CompareVirtual Family Medicine Care With Wilbert Timothy Tsai
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Wilbert Timothy Tsai for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Pomona required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Wilbert Timothy Tsai
NPI records show Dr. Tsai as active with telehealth listed in Pomona, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (909) 623-6581.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Wilbert Timothy Tsai
Practice Location
1900 Royalty Dr Ste 302, Pomona, CA 91767-3032
Mailing Address
1818 N Orange Grove Ave Ste 302, Pomona, CA 91767-3028
This is a provider directory. Contact the office directly to schedule appointments.
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