Wilbert Tsai, MD
NPI 1013114420 · Family Medicine Physician · Pomona, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wilbert Tsai, MD is a Family Medicine Physician provider in Pomona, CA (NPI 1013114420).
Provider details
- NPI number
- 1013114420
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A107727 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
963 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 375 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 144 | $76 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 104 | $128 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 84 | $9 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 47 | $125 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 129 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 566 | 150 |
| Losartan Potassium | 367 | 101 |
| Levothyroxine Sodium | 306 | 78 |
| Amlodipine Besylate | 292 | 88 |
| Metoprolol Succinate | 184 | 55 |
| Pantoprazole Sodium | 180 | 49 |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,787 across 72 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-29
- Last updated
- 2025-10-17
- Certified
- 2025-10-17
Frequently asked questions
- What is Wilbert Tsai's NPI number?
- Wilbert Tsai's National Provider Identifier (NPI) is 1013114420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wilbert Tsai's specialty?
- Wilbert Tsai is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wilbert Tsai located?
- Wilbert Tsai's practice location on file with NPPES is 1900 Royalty Dr Ste 302, Pomona, CA 91767-3032.
- What is Wilbert Tsai's phone number?
- The practice phone number listed in the NPPES registry for Wilbert Tsai is (909) 623-6581.
- Does Wilbert Tsai accept Medicare?
- Wilbert Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wilbert Tsai's NPI active?
- Yes — Wilbert Tsai's NPI (1013114420) is active in the NPPES registry as of the last update on 2025-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.