DR. WILLIAM T RIZZUTO MD
NPI 1245897271
Emergency Medicine in Tripler Amc, HI
About Dr. William T Rizzuto Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM T RIZZUTO MD (NPI 1245897271) is an individual emergency medicine provider in Tripler Amc, Hawaii, licensed in Hawaii (MD-27019) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. William T Rizzuto Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show William Rizzuto reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waipahu, HI 96797
- Reassigned Medicare billing, Hawaii enrollment
- Medicare enrollment name: Waianae District Comprehensive Health And Hospital Board Incorporated
- 240 clinicians in this Medicare group
Crestview, FL 32539
- Reassigned Medicare billing, Florida enrollment
- 77 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96859 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.
TRIPLER ARMY MEDICAL CENTER, HI 96859
TRIPLER ARMY MEDICAL CENTER, HI 96859
TRIPLER AMC, HI 96859
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 William Rizzuto's NPI number?
The NPI number for William Rizzuto is 1245897271. It was assigned to this individual provider in the NPPES registry on May 24, 2019.
Where is William Rizzuto located?
William Rizzuto practices at 1 Jarrett White Rd, Tripler Amc, HI 96859. The listed phone number is (808) 433-3707.
What is William Rizzuto's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Rizzuto enrolled in Medicare?
Yes. William Rizzuto is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Rizzuto's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Rizzuto reassigns Medicare benefits to 2 organizations: Waianae District Comprehensive Health And Hospital Board, Inc (Waipahu, HI) and Floridian Emergency Specialists, LLC (Crestview, FL). Each 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 William Rizzuto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Rizzuto was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. William T Rizzuto, MD · NPI 1245897271
Emergency Medicine physician in Tripler Amc, Hawaii. Individual provider, active in the CMS NPPES registry since May 24, 2019.
## Identity
- **NPI:** 1245897271 (Entity type: Individual)
- **Enumerated:** May 24, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD-27019 (Hawaii)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 JARRETT WHITE RD, Tripler Amc, HI 96859-5001
- **Phone:** (808) 433-3707
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Waianae District Comprehensive Health And Hospital Board, Inc (NPI 1447727318, Waipahu, HI); Floridian Emergency Specialists, LLC (NPI 1992150007, Crestview, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1245897271) · Data from the CMS NPPES public registry.