MATTHEW WI M.D.
NPI 1114371549
Surgery - Vascular Surgery in Fontana, CA
About Matthew Wi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW WI M.D. (NPI 1114371549) is an individual vascular surgery provider in Fontana, California, licensed in Florida (ME168903) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Matthew Wi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92335 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FONTANA, CA 92335
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Matthew Wi's NPI number?
The NPI number for Matthew Wi is 1114371549. It was assigned to this individual provider in the NPPES registry on April 22, 2016.
Where is Matthew Wi located?
Matthew Wi practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-5626.
What is Matthew Wi's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Matthew Wi enrolled in Medicare?
Yes. Matthew Wi is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Matthew Wi was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Matthew Wi, M.D. · NPI 1114371549
Vascular Surgery physician in Fontana, California. Individual provider, active in the CMS NPPES registry since April 22, 2016.
## Identity
- **NPI:** 1114371549 (Entity type: Individual)
- **Enumerated:** April 22, 2016
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** ME168903 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 9961 SIERRA AVE, Fontana, CA 92335-6720
- **Phone:** (909) 427-5626
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
## Record status
- **NPPES last updated:** August 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1114371549) · Data from the CMS NPPES public registry.