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
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Matthew Wi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Matthew Wi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
West Palm Beach, FL 33401
- Reassigned Medicare billing, Florida enrollment
- 528 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
Which organization bills Medicare for Matthew Wi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Wi reassigns Medicare benefits to Tenet Florida Physician Services LLC (West Palm Beach, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Matthew Wi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Wi accept?
Health plans from AmeriHealth Caritas Next, Oscar Health Maintenance Organization of Florida, UnitedHealthcare and Wellpoint list Matthew Wi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
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 2 months 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
- **Bills Medicare through:** Tenet Florida Physician Services LLC (NPI 1659417467, West Palm Beach, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## 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.