Wilson Mai, MD, PHD
NPI 1285210633 · Radiation Oncology Physician · Santa Clara, CA
Wilson Mai, MD, PHD is a Radiation Oncology Physician provider in Santa Clara, CA (NPI 1285210633).
Provider details
- NPI number
- 1285210633
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- A179877 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$156 across 1 record (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
- 2021-03-23
- Last updated
- 2026-04-15
- Certified
- 2026-04-15
Frequently asked questions
- What is Wilson Mai's NPI number?
- Wilson Mai's National Provider Identifier (NPI) is 1285210633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wilson Mai's specialty?
- Wilson Mai is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Wilson Mai located?
- Wilson Mai's practice location on file with NPPES is 710 Lawrence Expy, Santa Clara, CA 95051-5173.
- What is Wilson Mai's phone number?
- The practice phone number listed in the NPPES registry for Wilson Mai is (408) 851-1000.
- Is Wilson Mai's NPI active?
- Yes — Wilson Mai's NPI (1285210633) is active in the NPPES registry as of the last update on 2026-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.